Remove nofma

Patch/adaptive wflow

Grid/GridCore.h

@@ -44,9 +44,10 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
 #include <Grid/GridStd.h>
 #include <Grid/threads/Pragmas.h>
 #include <Grid/perfmon/Timer.h>
-#include <Grid/perfmon/PerfCount.h>
+//#include <Grid/perfmon/PerfCount.h>
 #include <Grid/util/Util.h>
 #include <Grid/log/Log.h>
+#include <Grid/perfmon/Tracing.h>
 #include <Grid/allocator/Allocator.h>
 #include <Grid/simd/Simd.h>
 #include <Grid/threads/ThreadReduction.h>

Grid/algorithms/CoarsenedMatrix.h

@@ -262,7 +262,7 @@ public:
 	autoView( Tnp_v , (*Tnp), AcceleratorWrite);
 	autoView( Tnm_v , (*Tnm), AcceleratorWrite);
 	const int Nsimd = CComplex::Nsimd();
-	accelerator_forNB(ss, FineGrid->oSites(), Nsimd, {
+	accelerator_for(ss, FineGrid->oSites(), Nsimd, {
 	  coalescedWrite(y_v[ss],xscale*y_v(ss)+mscale*Tn_v(ss));
 	  coalescedWrite(Tnp_v[ss],2.0*y_v(ss)-Tnm_v(ss));
         });
@@ -324,9 +324,9 @@ public:
   GridBase*        _cbgrid;
   int hermitian;
 
-  CartesianStencil<siteVector,siteVector,int> Stencil; 
-  CartesianStencil<siteVector,siteVector,int> StencilEven;
-  CartesianStencil<siteVector,siteVector,int> StencilOdd;
+  CartesianStencil<siteVector,siteVector,DefaultImplParams> Stencil; 
+  CartesianStencil<siteVector,siteVector,DefaultImplParams> StencilEven;
+  CartesianStencil<siteVector,siteVector,DefaultImplParams> StencilOdd;
 
   std::vector<CoarseMatrix> A;
   std::vector<CoarseMatrix> Aeven;
@@ -631,7 +631,7 @@ public:
     assert(Aself != nullptr);
   }
 
-  void DselfInternal(CartesianStencil<siteVector,siteVector,int> &st, CoarseMatrix &a,
+  void DselfInternal(CartesianStencil<siteVector,siteVector,DefaultImplParams> &st, CoarseMatrix &a,
                        const CoarseVector &in, CoarseVector &out, int dag) {
     int point = geom.npoint-1;
     autoView( out_v, out, AcceleratorWrite);
@@ -694,7 +694,7 @@ public:
     }
   }
 
-  void DhopInternal(CartesianStencil<siteVector,siteVector,int> &st, std::vector<CoarseMatrix> &a,
+  void DhopInternal(CartesianStencil<siteVector,siteVector,DefaultImplParams> &st, std::vector<CoarseMatrix> &a,
                     const CoarseVector &in, CoarseVector &out, int dag) {
     SimpleCompressor<siteVector> compressor;
 
@@ -784,9 +784,9 @@ public:
     _cbgrid(new GridRedBlackCartesian(&CoarseGrid)),
     geom(CoarseGrid._ndimension),
     hermitian(hermitian_),
-    Stencil(&CoarseGrid,geom.npoint,Even,geom.directions,geom.displacements,0),
-    StencilEven(_cbgrid,geom.npoint,Even,geom.directions,geom.displacements,0),
-    StencilOdd(_cbgrid,geom.npoint,Odd,geom.directions,geom.displacements,0),
+    Stencil(&CoarseGrid,geom.npoint,Even,geom.directions,geom.displacements),
+    StencilEven(_cbgrid,geom.npoint,Even,geom.directions,geom.displacements),
+    StencilOdd(_cbgrid,geom.npoint,Odd,geom.directions,geom.displacements),
     A(geom.npoint,&CoarseGrid),
     Aeven(geom.npoint,_cbgrid),
     Aodd(geom.npoint,_cbgrid),
@@ -804,9 +804,9 @@ public:
     _cbgrid(&CoarseRBGrid),
     geom(CoarseGrid._ndimension),
     hermitian(hermitian_),
-    Stencil(&CoarseGrid,geom.npoint,Even,geom.directions,geom.displacements,0),
-    StencilEven(&CoarseRBGrid,geom.npoint,Even,geom.directions,geom.displacements,0),
-    StencilOdd(&CoarseRBGrid,geom.npoint,Odd,geom.directions,geom.displacements,0),
+    Stencil(&CoarseGrid,geom.npoint,Even,geom.directions,geom.displacements),
+    StencilEven(&CoarseRBGrid,geom.npoint,Even,geom.directions,geom.displacements),
+    StencilOdd(&CoarseRBGrid,geom.npoint,Odd,geom.directions,geom.displacements),
     A(geom.npoint,&CoarseGrid),
     Aeven(geom.npoint,&CoarseRBGrid),
     Aodd(geom.npoint,&CoarseRBGrid),

Grid/algorithms/LinearOperator.h

@@ -526,6 +526,7 @@ public:
       (*this)(Linop,in[k],out[k]);
     }
   };
+  virtual ~OperatorFunction(){};
 };
 
 template<class Field> class LinearFunction {

Grid/algorithms/approx/Chebyshev.h

@@ -258,26 +258,12 @@ public:
     for(int n=2;n<order;n++){
 
       Linop.HermOp(*Tn,y);
-#if 0
-      auto y_v = y.View();
-      auto Tn_v = Tn->View();
-      auto Tnp_v = Tnp->View();
-      auto Tnm_v = Tnm->View();
-      constexpr int Nsimd = vector_type::Nsimd();
-      accelerator_forNB(ss, in.Grid()->oSites(), Nsimd, {
-	  coalescedWrite(y_v[ss],xscale*y_v(ss)+mscale*Tn_v(ss));
-	  coalescedWrite(Tnp_v[ss],2.0*y_v(ss)-Tnm_v(ss));
-      });
-      if ( Coeffs[n] != 0.0) {
-	axpy(out,Coeffs[n],*Tnp,out);
-      }
-#else
       axpby(y,xscale,mscale,y,(*Tn));
       axpby(*Tnp,2.0,-1.0,y,(*Tnm));
       if ( Coeffs[n] != 0.0) {
 	axpy(out,Coeffs[n],*Tnp,out);
       }
-#endif
+
       // Cycle pointers to avoid copies
       Field *swizzle = Tnm;
       Tnm    =Tn;

Grid/algorithms/iterative/ConjugateGradient.h

@@ -58,6 +58,7 @@ public:
 
   void operator()(LinearOperatorBase<Field> &Linop, const Field &src, Field &psi) {
 
+    GRID_TRACE("ConjugateGradient");
     psi.Checkerboard() = src.Checkerboard();
 
     conformable(psi, src);
@@ -117,6 +118,7 @@ public:
     GridStopWatch MatrixTimer;
     GridStopWatch SolverTimer;
 
+    RealD usecs = -usecond();
     SolverTimer.Start();
     int k;
     for (k = 1; k <= MaxIterations; k++) {
@@ -166,14 +168,16 @@ public:
 
       // Stopping condition
       if (cp <= rsq) {
+	usecs +=usecond();
         SolverTimer.Stop();
         Linop.HermOpAndNorm(psi, mmp, d, qq);
         p = mmp - src;
-
+	GridBase *grid = src.Grid();
+	RealD DwfFlops = (1452. )*grid->gSites()*4*k
+   	               + (8+4+8+4+4)*12*grid->gSites()*k; // CG linear algebra
         RealD srcnorm = std::sqrt(norm2(src));
         RealD resnorm = std::sqrt(norm2(p));
         RealD true_residual = resnorm / srcnorm;
-
         std::cout << GridLogMessage << "ConjugateGradient Converged on iteration " << k 
 		  << "\tComputed residual " << std::sqrt(cp / ssq)
 		  << "\tTrue residual " << true_residual
@@ -187,6 +191,8 @@ public:
 	std::cout << GridLogMessage << "\tAxpyNorm   " << AxpyNormTimer.Elapsed() <<std::endl;
 	std::cout << GridLogMessage << "\tLinearComb " << LinearCombTimer.Elapsed() <<std::endl;
 
+	std::cout << GridLogMessage << "\tMobius flop rate " << DwfFlops/ usecs<< " Gflops " <<std::endl;
+
         if (ErrorOnNoConverge) assert(true_residual / Tolerance < 10000.0);
 
 	IterationsToComplete = k;	

Grid/algorithms/iterative/ConjugateGradientMultiShift.h

@@ -84,6 +84,7 @@ public:
 
   void operator() (LinearOperatorBase<Field> &Linop, const Field &src, std::vector<Field> &psi)
   {
+    GRID_TRACE("ConjugateGradientMultiShift");
   
     GridBase *grid = src.Grid();
   

Grid/algorithms/iterative/ConjugateGradientMultiShiftMixedPrec.h

@@ -127,6 +127,7 @@ public:
 
   void operator() (LinearOperatorBase<FieldD> &Linop_d, const FieldD &src_d, std::vector<FieldD> &psi_d)
   { 
+    GRID_TRACE("ConjugateGradientMultiShiftMixedPrec");
     GridBase *DoublePrecGrid = src_d.Grid();
 
     ////////////////////////////////////////////////////////////////////////
@@ -153,6 +154,7 @@ public:
     // dynamic sized arrays on stack; 2d is a pain with vector
     RealD  bs[nshift];
     RealD  rsq[nshift];
+    RealD  rsqf[nshift];
     RealD  z[nshift][2];
     int     converged[nshift];
   
@@ -163,12 +165,8 @@ public:
     RealD cp,bp,qq; //prev
   
     // Matrix mult fields
-    FieldF r_f(SinglePrecGrid);
     FieldF p_f(SinglePrecGrid);
-    FieldF tmp_f(SinglePrecGrid);
     FieldF mmp_f(SinglePrecGrid);
-    FieldF src_f(SinglePrecGrid);
-    precisionChange(src_f, src_d);
 
     // Check lightest mass
     for(int s=0;s<nshift;s++){
@@ -193,18 +191,26 @@ public:
 
     for(int s=0;s<nshift;s++){
       rsq[s] = cp * mresidual[s] * mresidual[s];
+      rsqf[s] =rsq[s];
       std::cout<<GridLogMessage<<"ConjugateGradientMultiShiftMixedPrec: shift "<< s <<" target resid "<<rsq[s]<<std::endl;
       ps_d[s] = src_d;
     }
     // r and p for primary
-    r_f=src_f; //residual maintained in single
-    p_f=src_f;
     p_d = src_d; //primary copy --- make this a reference to ps_d to save axpys
-  
+    r_d = p_d;
+    
     //MdagM+m[0]
+    precisionChangeFast(p_f,p_d);
+
     Linop_f.HermOpAndNorm(p_f,mmp_f,d,qq); // mmp = MdagM p        d=real(dot(p, mmp)),  qq=norm2(mmp)
-    axpy(mmp_f,mass[0],p_f,mmp_f);
-    RealD rn = norm2(p_f);
+    precisionChangeFast(tmp_d,mmp_f);
+    Linop_d.HermOpAndNorm(p_d,mmp_d,d,qq); // mmp = MdagM p        d=real(dot(p, mmp)),  qq=norm2(mmp)
+    tmp_d = tmp_d - mmp_d;
+    std::cout << " Testing operators match "<<norm2(mmp_d)<<" f "<<norm2(mmp_f)<<" diff "<< norm2(tmp_d)<<std::endl;
+    //    assert(norm2(tmp_d)< 1.0e-4);
+
+    axpy(mmp_d,mass[0],p_d,mmp_d);
+    RealD rn = norm2(p_d);
     d += rn*mass[0];
 
     b = -cp /d;
@@ -222,7 +228,7 @@ public:
   
     // r += b[0] A.p[0]
     // c= norm(r)
-    c=axpy_norm(r_f,b,mmp_f,r_f);
+    c=axpy_norm(r_d,b,mmp_d,r_d);
   
     for(int s=0;s<nshift;s++) {
       axpby(psi_d[s],0.,-bs[s]*alpha[s],src_d,src_d);
@@ -239,13 +245,8 @@ public:
     int k;
   
     for (k=1;k<=MaxIterations;k++){    
+
       a = c /cp;
-
-      //Update double precision search direction by residual
-      PrecChangeTimer.Start();
-      precisionChange(r_d, r_f);
-      PrecChangeTimer.Stop();
-
       AXPYTimer.Start();
       axpy(p_d,a,p_d,r_d); 
 
@@ -262,24 +263,28 @@ public:
       AXPYTimer.Stop();
 
       PrecChangeTimer.Start();
-      precisionChange(p_f, p_d); //get back single prec search direction for linop
+      precisionChangeFast(p_f, p_d); //get back single prec search direction for linop
       PrecChangeTimer.Stop();
 
       cp=c;
       MatrixTimer.Start();  
-      Linop_f.HermOp(p_f,mmp_f); 
-      d=real(innerProduct(p_f,mmp_f));    
+      Linop_f.HermOp(p_f,mmp_f);
       MatrixTimer.Stop();  
 
+      PrecChangeTimer.Start();
+      precisionChangeFast(mmp_d, mmp_f); // From Float to Double
+      PrecChangeTimer.Stop();
+
       AXPYTimer.Start();
-      axpy(mmp_f,mass[0],p_f,mmp_f);
+      d=real(innerProduct(p_d,mmp_d));    
+      axpy(mmp_d,mass[0],p_d,mmp_d);
       AXPYTimer.Stop();
-      RealD rn = norm2(p_f);
+      RealD rn = norm2(p_d);
       d += rn*mass[0];
     
       bp=b;
       b=-cp/d;
-    
+
       // Toggle the recurrence history
       bs[0] = b;
       iz = 1-iz;
@@ -305,12 +310,12 @@ public:
       }
 
       //Perform reliable update if necessary; otherwise update residual from single-prec mmp
-      RealD c_f = axpy_norm(r_f,b,mmp_f,r_f);
+      c = axpy_norm(r_d,b,mmp_d,r_d);
+
       AXPYTimer.Stop();
 
-      c = c_f;
-
       if(k % ReliableUpdateFreq == 0){
+	RealD c_old = c;
 	//Replace r with true residual
 	MatrixTimer.Start();  
 	Linop_d.HermOp(psi_d[0],mmp_d); 
@@ -319,15 +324,10 @@ public:
 	AXPYTimer.Start();
 	axpy(mmp_d,mass[0],psi_d[0],mmp_d);
 
-	RealD c_d = axpy_norm(r_d, -1.0, mmp_d, src_d);
+	c = axpy_norm(r_d, -1.0, mmp_d, src_d);
 	AXPYTimer.Stop();
 
-	std::cout<<GridLogMessage<<"ConjugateGradientMultiShiftMixedPrec k="<<k<< ", replaced |r|^2 = "<<c_f <<" with |r|^2 = "<<c_d<<std::endl;
-	
-	PrecChangeTimer.Start();
-	precisionChange(r_f, r_d);
-	PrecChangeTimer.Stop();
-	c = c_d;
+	std::cout<<GridLogMessage<<"ConjugateGradientMultiShiftMixedPrec k="<<k<< ", replaced |r|^2 = "<<c_old <<" with |r|^2 = "<<c<<std::endl;
       }
     
       // Convergence checks
@@ -339,7 +339,7 @@ public:
 	
 	  RealD css  = c * z[s][iz]* z[s][iz];
 	
-	  if(css<rsq[s]){
+	  if(css<rsqf[s]){
 	    if ( ! converged[s] )
 	      std::cout<<GridLogMessage<<"ConjugateGradientMultiShiftMixedPrec k="<<k<<" Shift "<<s<<" has converged"<<std::endl;
 	    converged[s]=1;

Grid/algorithms/iterative/ConjugateGradientReliableUpdate.h

@@ -73,6 +73,7 @@ public:
   }
     
   void operator()(const FieldD &src, FieldD &psi) {
+    GRID_TRACE("ConjugateGradientReliableUpdate");
     LinearOperatorBase<FieldF> *Linop_f_use = &Linop_f;
     bool using_fallback = false;
       

Grid/allocator/MemoryManager.cc

@@ -40,7 +40,7 @@ void MemoryManager::PrintBytes(void)
 //////////////////////////////////////////////////////////////////////
 MemoryManager::AllocationCacheEntry MemoryManager::Entries[MemoryManager::NallocType][MemoryManager::NallocCacheMax];
 int MemoryManager::Victim[MemoryManager::NallocType];
-int MemoryManager::Ncache[MemoryManager::NallocType] = { 2, 8, 2, 8, 2, 8 };
+int MemoryManager::Ncache[MemoryManager::NallocType] = { 2, 8, 8, 16, 8, 16 };
 uint64_t MemoryManager::CacheBytes[MemoryManager::NallocType];
 //////////////////////////////////////////////////////////////////////
 // Actual allocation and deallocation utils

Grid/allocator/MemoryManager.h

@@ -36,6 +36,11 @@ NAMESPACE_BEGIN(Grid);
 
 #define GRID_ALLOC_SMALL_LIMIT (4096)
 
+#define STRINGIFY(x) #x
+#define TOSTRING(x) STRINGIFY(x)
+#define FILE_LINE __FILE__ ":" TOSTRING(__LINE__)
+#define AUDIT(a) MemoryManager::Audit(FILE_LINE)
+
 /*Pinning pages is costly*/
 ////////////////////////////////////////////////////////////////////////////
 // Advise the LatticeAccelerator class
@@ -94,6 +99,7 @@ private:
 
   static void PrintBytes(void);
  public:
+  static void Audit(std::string s);
   static void Init(void);
   static void InitMessage(void);
   static void *AcceleratorAllocate(size_t bytes);

Grid/allocator/MemoryManagerCache.cc

@@ -3,8 +3,13 @@
 
 #warning "Using explicit device memory copies"
 NAMESPACE_BEGIN(Grid);
-//#define dprintf(...) printf ( __VA_ARGS__ ); fflush(stdout);
-#define dprintf(...)
+
+#define MAXLINE 512
+static char print_buffer [ MAXLINE ];
+
+#define mprintf(...) snprintf (print_buffer,MAXLINE, __VA_ARGS__ ); std::cout << GridLogMemory << print_buffer;
+#define dprintf(...) snprintf (print_buffer,MAXLINE, __VA_ARGS__ ); std::cout << GridLogMemory << print_buffer;
+//#define dprintf(...) 
 
 
 ////////////////////////////////////////////////////////////
@@ -104,7 +109,7 @@ void MemoryManager::AccDiscard(AcceleratorViewEntry &AccCache)
   ///////////////////////////////////////////////////////////
   assert(AccCache.state!=Empty);
   
-   dprintf("MemoryManager: Discard(%llx) %llx\n",(uint64_t)AccCache.CpuPtr,(uint64_t)AccCache.AccPtr); 
+  mprintf("MemoryManager: Discard(%lx) %lx\n",(uint64_t)AccCache.CpuPtr,(uint64_t)AccCache.AccPtr); 
   assert(AccCache.accLock==0);
   assert(AccCache.cpuLock==0);
   assert(AccCache.CpuPtr!=(uint64_t)NULL);
@@ -112,7 +117,7 @@ void MemoryManager::AccDiscard(AcceleratorViewEntry &AccCache)
     AcceleratorFree((void *)AccCache.AccPtr,AccCache.bytes);
     DeviceBytes   -=AccCache.bytes;
     LRUremove(AccCache);
-    dprintf("MemoryManager: Free(%llx) LRU %lld Total %lld\n",(uint64_t)AccCache.AccPtr,DeviceLRUBytes,DeviceBytes);  
+    dprintf("MemoryManager: Free(%lx) LRU %ld Total %ld\n",(uint64_t)AccCache.AccPtr,DeviceLRUBytes,DeviceBytes);  
   }
   uint64_t CpuPtr = AccCache.CpuPtr;
   EntryErase(CpuPtr);
@@ -126,9 +131,11 @@ void MemoryManager::Evict(AcceleratorViewEntry &AccCache)
   ///////////////////////////////////////////////////////////////////////////
   assert(AccCache.state!=Empty);
   
-  dprintf("MemoryManager: Evict(%llx) %llx\n",(uint64_t)AccCache.CpuPtr,(uint64_t)AccCache.AccPtr); 
-  assert(AccCache.accLock==0);
-  assert(AccCache.cpuLock==0);
+  mprintf("MemoryManager: Evict cpu %lx acc %lx cpuLock %ld accLock %ld\n",
+	  (uint64_t)AccCache.CpuPtr,(uint64_t)AccCache.AccPtr,
+	  (uint64_t)AccCache.cpuLock,(uint64_t)AccCache.accLock); 
+  if (AccCache.accLock!=0) return;
+  if (AccCache.cpuLock!=0) return;
   if(AccCache.state==AccDirty) {
     Flush(AccCache);
   }
@@ -137,7 +144,7 @@ void MemoryManager::Evict(AcceleratorViewEntry &AccCache)
     AcceleratorFree((void *)AccCache.AccPtr,AccCache.bytes);
     DeviceBytes   -=AccCache.bytes;
     LRUremove(AccCache);
-    dprintf("MemoryManager: Free(%llx) footprint now %lld \n",(uint64_t)AccCache.AccPtr,DeviceBytes);  
+    dprintf("MemoryManager: Free(%lx) footprint now %ld \n",(uint64_t)AccCache.AccPtr,DeviceBytes);  
   }
   uint64_t CpuPtr = AccCache.CpuPtr;
   EntryErase(CpuPtr);
@@ -150,7 +157,7 @@ void MemoryManager::Flush(AcceleratorViewEntry &AccCache)
   assert(AccCache.AccPtr!=(uint64_t)NULL);
   assert(AccCache.CpuPtr!=(uint64_t)NULL);
   acceleratorCopyFromDevice((void *)AccCache.AccPtr,(void *)AccCache.CpuPtr,AccCache.bytes);
-  dprintf("MemoryManager: Flush  %llx -> %llx\n",(uint64_t)AccCache.AccPtr,(uint64_t)AccCache.CpuPtr); fflush(stdout);
+  mprintf("MemoryManager: Flush  %lx -> %lx\n",(uint64_t)AccCache.AccPtr,(uint64_t)AccCache.CpuPtr); fflush(stdout);
   DeviceToHostBytes+=AccCache.bytes;
   DeviceToHostXfer++;
   AccCache.state=Consistent;
@@ -165,7 +172,7 @@ void MemoryManager::Clone(AcceleratorViewEntry &AccCache)
     AccCache.AccPtr=(uint64_t)AcceleratorAllocate(AccCache.bytes);
     DeviceBytes+=AccCache.bytes;
   }
-  dprintf("MemoryManager: Clone %llx <- %llx\n",(uint64_t)AccCache.AccPtr,(uint64_t)AccCache.CpuPtr); fflush(stdout);
+  mprintf("MemoryManager: Clone %lx <- %lx\n",(uint64_t)AccCache.AccPtr,(uint64_t)AccCache.CpuPtr); fflush(stdout);
   acceleratorCopyToDevice((void *)AccCache.CpuPtr,(void *)AccCache.AccPtr,AccCache.bytes);
   HostToDeviceBytes+=AccCache.bytes;
   HostToDeviceXfer++;
@@ -191,6 +198,7 @@ void MemoryManager::CpuDiscard(AcceleratorViewEntry &AccCache)
 void MemoryManager::ViewClose(void* Ptr,ViewMode mode)
 {
   if( (mode==AcceleratorRead)||(mode==AcceleratorWrite)||(mode==AcceleratorWriteDiscard) ){
+    dprintf("AcceleratorViewClose %lx\n",(uint64_t)Ptr);
     AcceleratorViewClose((uint64_t)Ptr);
   } else if( (mode==CpuRead)||(mode==CpuWrite)){
     CpuViewClose((uint64_t)Ptr);
@@ -202,6 +210,7 @@ void *MemoryManager::ViewOpen(void* _CpuPtr,size_t bytes,ViewMode mode,ViewAdvis
 {
   uint64_t CpuPtr = (uint64_t)_CpuPtr;
   if( (mode==AcceleratorRead)||(mode==AcceleratorWrite)||(mode==AcceleratorWriteDiscard) ){
+    dprintf("AcceleratorViewOpen %lx\n",(uint64_t)CpuPtr);
     return (void *) AcceleratorViewOpen(CpuPtr,bytes,mode,hint);
   } else if( (mode==CpuRead)||(mode==CpuWrite)){
     return (void *)CpuViewOpen(CpuPtr,bytes,mode,hint);
@@ -241,11 +250,12 @@ uint64_t MemoryManager::AcceleratorViewOpen(uint64_t CpuPtr,size_t bytes,ViewMod
   assert(AccCache.cpuLock==0);  // Programming error
 
   if(AccCache.state!=Empty) {
-    dprintf("ViewOpen found entry %llx %llx : %lld %lld\n",
+    dprintf("ViewOpen found entry %lx %lx : %ld %ld accLock %ld\n",
 		    (uint64_t)AccCache.CpuPtr,
 		    (uint64_t)CpuPtr,
 		    (uint64_t)AccCache.bytes,
-		    (uint64_t)bytes);
+	            (uint64_t)bytes,
+		    (uint64_t)AccCache.accLock);
     assert(AccCache.CpuPtr == CpuPtr);
     assert(AccCache.bytes  ==bytes);
   }
@@ -280,6 +290,7 @@ uint64_t MemoryManager::AcceleratorViewOpen(uint64_t CpuPtr,size_t bytes,ViewMod
       AccCache.state  = Consistent; // Empty + AccRead => Consistent
     }
     AccCache.accLock= 1;
+    dprintf("Copied Empty entry into device accLock= %d\n",AccCache.accLock);
   } else if(AccCache.state==CpuDirty ){
     if(mode==AcceleratorWriteDiscard) {
       CpuDiscard(AccCache);
@@ -292,21 +303,21 @@ uint64_t MemoryManager::AcceleratorViewOpen(uint64_t CpuPtr,size_t bytes,ViewMod
       AccCache.state  = Consistent; // CpuDirty + AccRead => Consistent
     }
     AccCache.accLock++;
-    dprintf("Copied CpuDirty entry into device accLock %d\n",AccCache.accLock);
+    dprintf("CpuDirty entry into device ++accLock= %d\n",AccCache.accLock);
   } else if(AccCache.state==Consistent) {
     if((mode==AcceleratorWrite)||(mode==AcceleratorWriteDiscard))
       AccCache.state  = AccDirty;   // Consistent + AcceleratorWrite=> AccDirty
     else
       AccCache.state  = Consistent; // Consistent + AccRead => Consistent
     AccCache.accLock++;
-    dprintf("Consistent entry into device accLock %d\n",AccCache.accLock);
+    dprintf("Consistent entry into device ++accLock= %d\n",AccCache.accLock);
   } else if(AccCache.state==AccDirty) {
     if((mode==AcceleratorWrite)||(mode==AcceleratorWriteDiscard))
       AccCache.state  = AccDirty; // AccDirty + AcceleratorWrite=> AccDirty
     else
       AccCache.state  = AccDirty; // AccDirty + AccRead => AccDirty
     AccCache.accLock++;
-    dprintf("AccDirty entry into device accLock %d\n",AccCache.accLock);
+    dprintf("AccDirty entry ++accLock= %d\n",AccCache.accLock);
   } else {
     assert(0);
   }
@@ -314,6 +325,7 @@ uint64_t MemoryManager::AcceleratorViewOpen(uint64_t CpuPtr,size_t bytes,ViewMod
   // If view is opened on device remove from LRU
   if(AccCache.LRU_valid==1){
     // must possibly remove from LRU as now locked on GPU
+    dprintf("AccCache entry removed from LRU \n");
     LRUremove(AccCache);
   }
 
@@ -334,10 +346,12 @@ void MemoryManager::AcceleratorViewClose(uint64_t CpuPtr)
   assert(AccCache.accLock>0);
 
   AccCache.accLock--;
-
   // Move to LRU queue if not locked and close on device
   if(AccCache.accLock==0) {
+    dprintf("AccleratorViewClose %lx AccLock decremented to %ld move to LRU queue\n",(uint64_t)CpuPtr,(uint64_t)AccCache.accLock);
     LRUinsert(AccCache);
+  } else {
+    dprintf("AccleratorViewClose %lx AccLock decremented to %ld\n",(uint64_t)CpuPtr,(uint64_t)AccCache.accLock);
   }
 }
 void MemoryManager::CpuViewClose(uint64_t CpuPtr)
@@ -473,6 +487,29 @@ int   MemoryManager::isOpen   (void* _CpuPtr)
     return 0;
   }
 }
+void MemoryManager::Audit(std::string s)
+{
+  for(auto it=AccViewTable.begin();it!=AccViewTable.end();it++){
+    auto &AccCache = it->second;
+    
+    std::string str;
+    if ( AccCache.state==Empty    ) str = std::string("Empty");
+    if ( AccCache.state==CpuDirty ) str = std::string("CpuDirty");
+    if ( AccCache.state==AccDirty ) str = std::string("AccDirty");
+    if ( AccCache.state==Consistent)str = std::string("Consistent");
+
+    if ( AccCache.cpuLock || AccCache.accLock ) { 
+      std::cout << GridLogError << s<< "\n\t 0x"<<std::hex<<AccCache.CpuPtr<<std::dec
+		<< "\t0x"<<std::hex<<AccCache.AccPtr<<std::dec<<"\t" <<str
+		<< "\t cpuLock  " << AccCache.cpuLock
+		<< "\t accLock  " << AccCache.accLock
+		<< "\t LRUvalid " << AccCache.LRU_valid<<std::endl;
+    }
+
+    assert( AccCache.cpuLock== 0 ) ;
+    assert( AccCache.accLock== 0 ) ;
+  }
+}
 
 void MemoryManager::PrintState(void* _CpuPtr)
 {

Grid/allocator/MemoryManagerShared.cc

@@ -13,6 +13,7 @@ uint64_t  MemoryManager::DeviceToHostBytes;
 uint64_t  MemoryManager::HostToDeviceXfer;
 uint64_t  MemoryManager::DeviceToHostXfer;
 
+void  MemoryManager::Audit(std::string s){};
 void  MemoryManager::ViewClose(void* AccPtr,ViewMode mode){};
 void *MemoryManager::ViewOpen(void* CpuPtr,size_t bytes,ViewMode mode,ViewAdvise hint){ return CpuPtr; };
 int   MemoryManager::isOpen   (void* CpuPtr) { return 0;}

Grid/communicator/Communicator_base.h

@@ -107,6 +107,7 @@ public:
   ////////////////////////////////////////////////////////////////////////////////
   static int  RankWorld(void) ;
   static void BroadcastWorld(int root,void* data, int bytes);
+  static void BarrierWorld(void);
   
   ////////////////////////////////////////////////////////////
   // Reduction
@@ -130,7 +131,7 @@ public:
   template<class obj> void GlobalSum(obj &o){
     typedef typename obj::scalar_type scalar_type;
     int words = sizeof(obj)/sizeof(scalar_type);
-    scalar_type * ptr = (scalar_type *)& o;
+    scalar_type * ptr = (scalar_type *)& o; // Safe alias 
     GlobalSumVector(ptr,words);
   }
   
@@ -154,7 +155,7 @@ public:
 				    int xmit_to_rank,int do_xmit,
 				    void *recv,
 				    int recv_from_rank,int do_recv,
-				    int bytes,int dir);
+				    int xbytes,int rbytes,int dir);
   
   
   void StencilSendToRecvFromComplete(std::vector<CommsRequest_t> &waitall,int i);

Grid/communicator/Communicator_mpi3.cc

@@ -343,7 +343,7 @@ double CartesianCommunicator::StencilSendToRecvFrom( void *xmit,
 						     int bytes,int dir)
 {
   std::vector<CommsRequest_t> list;
-  double offbytes = StencilSendToRecvFromBegin(list,xmit,dest,dox,recv,from,dor,bytes,dir);
+  double offbytes = StencilSendToRecvFromBegin(list,xmit,dest,dox,recv,from,dor,bytes,bytes,dir);
   StencilSendToRecvFromComplete(list,dir);
   return offbytes;
 }
@@ -353,7 +353,7 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
 							 int dest,int dox,
 							 void *recv,
 							 int from,int dor,
-							 int bytes,int dir)
+							 int xbytes,int rbytes,int dir)
 {
   int ncomm  =communicator_halo.size();
   int commdir=dir%ncomm;
@@ -375,38 +375,33 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
   if ( dor ) {
     if ( (gfrom ==MPI_UNDEFINED) || Stencil_force_mpi ) {
       tag= dir+from*32;
-      ierr=MPI_Irecv(recv, bytes, MPI_CHAR,from,tag,communicator_halo[commdir],&rrq);
+      ierr=MPI_Irecv(recv, rbytes, MPI_CHAR,from,tag,communicator_halo[commdir],&rrq);
       assert(ierr==0);
       list.push_back(rrq);
-      off_node_bytes+=bytes;
+      off_node_bytes+=rbytes;
     }
   }
   
   if (dox) {
     if ( (gdest == MPI_UNDEFINED) || Stencil_force_mpi ) {
       tag= dir+_processor*32;
-      ierr =MPI_Isend(xmit, bytes, MPI_CHAR,dest,tag,communicator_halo[commdir],&xrq);
+      ierr =MPI_Isend(xmit, xbytes, MPI_CHAR,dest,tag,communicator_halo[commdir],&xrq);
       assert(ierr==0);
       list.push_back(xrq);
-      off_node_bytes+=bytes;
+      off_node_bytes+=xbytes;
     } else {
       void *shm = (void *) this->ShmBufferTranslate(dest,recv);
       assert(shm!=NULL);
-      acceleratorCopyDeviceToDeviceAsynch(xmit,shm,bytes);
+      acceleratorCopyDeviceToDeviceAsynch(xmit,shm,xbytes);
     }
   }
-  
-  if ( CommunicatorPolicy == CommunicatorPolicySequential ) {
-    this->StencilSendToRecvFromComplete(list,dir);
-    list.resize(0);
-  }
 
   return off_node_bytes;
 }
 void CartesianCommunicator::StencilSendToRecvFromComplete(std::vector<CommsRequest_t> &list,int dir)
 {
-  //   std::cout << "Copy Synchronised\n"<<std::endl;
   acceleratorCopySynchronise();
+  StencilBarrier();// Synch shared memory on a single nodes
 
   int nreq=list.size();
 
@@ -443,6 +438,10 @@ int CartesianCommunicator::RankWorld(void){
   MPI_Comm_rank(communicator_world,&r);
   return r;
 }
+void CartesianCommunicator::BarrierWorld(void){
+  int ierr = MPI_Barrier(communicator_world);
+  assert(ierr==0);
+}
 void CartesianCommunicator::BroadcastWorld(int root,void* data, int bytes)
 {
   int ierr= MPI_Bcast(data,

Grid/communicator/Communicator_none.cc

@@ -104,6 +104,7 @@ int  CartesianCommunicator::RankWorld(void){return 0;}
 void CartesianCommunicator::Barrier(void){}
 void CartesianCommunicator::Broadcast(int root,void* data, int bytes) {}
 void CartesianCommunicator::BroadcastWorld(int root,void* data, int bytes) { }
+void CartesianCommunicator::BarrierWorld(void) { }
 int  CartesianCommunicator::RankFromProcessorCoor(Coordinate &coor) {  return 0;}
 void CartesianCommunicator::ProcessorCoorFromRank(int rank, Coordinate &coor){  coor = _processor_coor; }
 void CartesianCommunicator::ShiftedRanks(int dim,int shift,int &source,int &dest)
@@ -125,7 +126,7 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
 							 int xmit_to_rank,int dox,
 							 void *recv,
 							 int recv_from_rank,int dor,
-							 int bytes, int dir)
+							 int xbytes,int rbytes, int dir)
 {
   return 2.0*bytes;
 }

Grid/communicator/SharedMemoryMPI.cc

@@ -29,6 +29,7 @@ Author: Christoph Lehner <christoph@lhnr.de>
 
 #include <Grid/GridCore.h>
 #include <pwd.h>
+#include <syscall.h>
 
 #ifdef GRID_CUDA
 #include <cuda_runtime_api.h>
@@ -523,7 +524,7 @@ void GlobalSharedMemory::SharedMemoryAllocate(uint64_t bytes, int flags)
   }
   if ( WorldRank == 0 ){
     std::cout << WorldRank << header " SharedMemoryMPI.cc acceleratorAllocDevice "<< bytes 
-	      << "bytes at "<< std::hex<< ShmCommBuf <<std::dec<<" for comms buffers " <<std::endl;
+	      << "bytes at "<< std::hex<< ShmCommBuf << " - "<<(bytes-1+(uint64_t)ShmCommBuf) <<std::dec<<" for comms buffers " <<std::endl;
   }
   SharedMemoryZero(ShmCommBuf,bytes);
   std::cout<< "Setting up IPC"<<std::endl;

Grid/lattice/Lattice_ET.h

@@ -63,7 +63,7 @@ accelerator_inline vobj predicatedWhere(const iobj &predicate,
   typename std::remove_const<vobj>::type ret;
 
   typedef typename vobj::scalar_object scalar_object;
-  typedef typename vobj::scalar_type scalar_type;
+  //  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
 
   const int Nsimd = vobj::vector_type::Nsimd();

Grid/lattice/Lattice_arith.h

@@ -36,6 +36,7 @@ NAMESPACE_BEGIN(Grid);
 //////////////////////////////////////////////////////////////////////////////////////////////////////
 template<class obj1,class obj2,class obj3> inline
 void mult(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("mult");
   ret.Checkerboard() = lhs.Checkerboard();
   autoView( ret_v , ret, AcceleratorWrite);
   autoView( lhs_v , lhs, AcceleratorRead);
@@ -53,6 +54,7 @@ void mult(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
   
 template<class obj1,class obj2,class obj3> inline
 void mac(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("mac");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(ret,rhs);
   conformable(lhs,rhs);
@@ -70,6 +72,7 @@ void mac(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
   
 template<class obj1,class obj2,class obj3> inline
 void sub(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("sub");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(ret,rhs);
   conformable(lhs,rhs);
@@ -86,6 +89,7 @@ void sub(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
 }
 template<class obj1,class obj2,class obj3> inline
 void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("add");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(ret,rhs);
   conformable(lhs,rhs);
@@ -106,6 +110,7 @@ void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const Lattice<obj3> &rhs){
 //////////////////////////////////////////////////////////////////////////////////////////////////////
 template<class obj1,class obj2,class obj3> inline
 void mult(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
+  GRID_TRACE("mult");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(lhs,ret);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -119,6 +124,7 @@ void mult(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
   
 template<class obj1,class obj2,class obj3> inline
 void mac(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
+  GRID_TRACE("mac");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(ret,lhs);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -133,6 +139,7 @@ void mac(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
   
 template<class obj1,class obj2,class obj3> inline
 void sub(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
+  GRID_TRACE("sub");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(ret,lhs);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -146,6 +153,7 @@ void sub(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
 }
 template<class obj1,class obj2,class obj3> inline
 void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
+  GRID_TRACE("add");
   ret.Checkerboard() = lhs.Checkerboard();
   conformable(lhs,ret);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -163,6 +171,7 @@ void add(Lattice<obj1> &ret,const Lattice<obj2> &lhs,const obj3 &rhs){
 //////////////////////////////////////////////////////////////////////////////////////////////////////
 template<class obj1,class obj2,class obj3> inline
 void mult(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("mult");
   ret.Checkerboard() = rhs.Checkerboard();
   conformable(ret,rhs);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -177,6 +186,7 @@ void mult(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
   
 template<class obj1,class obj2,class obj3> inline
 void mac(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("mac");
   ret.Checkerboard() = rhs.Checkerboard();
   conformable(ret,rhs);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -191,6 +201,7 @@ void mac(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
   
 template<class obj1,class obj2,class obj3> inline
 void sub(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("sub");
   ret.Checkerboard() = rhs.Checkerboard();
   conformable(ret,rhs);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -204,6 +215,7 @@ void sub(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
 }
 template<class obj1,class obj2,class obj3> inline
 void add(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
+  GRID_TRACE("add");
   ret.Checkerboard() = rhs.Checkerboard();
   conformable(ret,rhs);
   autoView( ret_v , ret, AcceleratorWrite);
@@ -218,6 +230,7 @@ void add(Lattice<obj1> &ret,const obj2 &lhs,const Lattice<obj3> &rhs){
   
 template<class sobj,class vobj> inline
 void axpy(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &x,const Lattice<vobj> &y){
+  GRID_TRACE("axpy");
   ret.Checkerboard() = x.Checkerboard();
   conformable(ret,x);
   conformable(x,y);
@@ -231,6 +244,7 @@ void axpy(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &x,const Lattice<vobj> &
 }
 template<class sobj,class vobj> inline
 void axpby(Lattice<vobj> &ret,sobj a,sobj b,const Lattice<vobj> &x,const Lattice<vobj> &y){
+  GRID_TRACE("axpby");
   ret.Checkerboard() = x.Checkerboard();
   conformable(ret,x);
   conformable(x,y);
@@ -246,11 +260,13 @@ void axpby(Lattice<vobj> &ret,sobj a,sobj b,const Lattice<vobj> &x,const Lattice
 template<class sobj,class vobj> inline
 RealD axpy_norm(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &x,const Lattice<vobj> &y)
 {
+  GRID_TRACE("axpy_norm");
     return axpy_norm_fast(ret,a,x,y);
 }
 template<class sobj,class vobj> inline
 RealD axpby_norm(Lattice<vobj> &ret,sobj a,sobj b,const Lattice<vobj> &x,const Lattice<vobj> &y)
 {
+  GRID_TRACE("axpby_norm");
     return axpby_norm_fast(ret,a,b,x,y);
 }
 

Grid/lattice/Lattice_base.h

@@ -117,6 +117,7 @@ public:
   ////////////////////////////////////////////////////////////////////////////////
   template <typename Op, typename T1> inline Lattice<vobj> & operator=(const LatticeUnaryExpression<Op,T1> &expr)
   {
+    GRID_TRACE("ExpressionTemplateEval");
     GridBase *egrid(nullptr);
     GridFromExpression(egrid,expr);
     assert(egrid!=nullptr);
@@ -140,6 +141,7 @@ public:
   }
   template <typename Op, typename T1,typename T2> inline Lattice<vobj> & operator=(const LatticeBinaryExpression<Op,T1,T2> &expr)
   {
+    GRID_TRACE("ExpressionTemplateEval");
     GridBase *egrid(nullptr);
     GridFromExpression(egrid,expr);
     assert(egrid!=nullptr);
@@ -163,6 +165,7 @@ public:
   }
   template <typename Op, typename T1,typename T2,typename T3> inline Lattice<vobj> & operator=(const LatticeTrinaryExpression<Op,T1,T2,T3> &expr)
   {
+    GRID_TRACE("ExpressionTemplateEval");
     GridBase *egrid(nullptr);
     GridFromExpression(egrid,expr);
     assert(egrid!=nullptr);

Grid/lattice/Lattice_matrix_reduction.h

@@ -32,7 +32,6 @@ template<class vobj>
 static void sliceMaddMatrix (Lattice<vobj> &R,Eigen::MatrixXcd &aa,const Lattice<vobj> &X,const Lattice<vobj> &Y,int Orthog,RealD scale=1.0) 
 {    
   typedef typename vobj::scalar_object sobj;
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
 
   int Nblock = X.Grid()->GlobalDimensions()[Orthog];
@@ -82,7 +81,6 @@ template<class vobj>
 static void sliceMulMatrix (Lattice<vobj> &R,Eigen::MatrixXcd &aa,const Lattice<vobj> &X,int Orthog,RealD scale=1.0) 
 {    
   typedef typename vobj::scalar_object sobj;
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
 
   int Nblock = X.Grid()->GlobalDimensions()[Orthog];
@@ -130,7 +128,6 @@ template<class vobj>
 static void sliceInnerProductMatrix(  Eigen::MatrixXcd &mat, const Lattice<vobj> &lhs,const Lattice<vobj> &rhs,int Orthog) 
 {
   typedef typename vobj::scalar_object sobj;
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
   
   GridBase *FullGrid  = lhs.Grid();

Grid/lattice/Lattice_peekpoke.h

@@ -96,9 +96,6 @@ void pokeSite(const sobj &s,Lattice<vobj> &l,const Coordinate &site){
 
   GridBase *grid=l.Grid();
 
-  typedef typename vobj::scalar_type scalar_type;
-  typedef typename vobj::vector_type vector_type;
-
   int Nsimd = grid->Nsimd();
 
   assert( l.Checkerboard()== l.Grid()->CheckerBoard(site));
@@ -136,9 +133,6 @@ void peekSite(sobj &s,const Lattice<vobj> &l,const Coordinate &site){
         
   GridBase *grid=l.Grid();
 
-  typedef typename vobj::scalar_type scalar_type;
-  typedef typename vobj::vector_type vector_type;
-
   int Nsimd = grid->Nsimd();
 
   assert( l.Checkerboard() == l.Grid()->CheckerBoard(site));
@@ -179,11 +173,11 @@ inline void peekLocalSite(sobj &s,const LatticeView<vobj> &l,Coordinate &site)
   idx= grid->iIndex(site);
   odx= grid->oIndex(site);
   
-  scalar_type * vp = (scalar_type *)&l[odx];
+  const vector_type *vp = (const vector_type *) &l[odx];
   scalar_type * pt = (scalar_type *)&s;
       
   for(int w=0;w<words;w++){
-    pt[w] = vp[idx+w*Nsimd];
+    pt[w] = getlane(vp[w],idx);
   }
       
   return;
@@ -216,10 +210,10 @@ inline void pokeLocalSite(const sobj &s,LatticeView<vobj> &l,Coordinate &site)
   idx= grid->iIndex(site);
   odx= grid->oIndex(site);
 
-  scalar_type * vp = (scalar_type *)&l[odx];
+  vector_type * vp = (vector_type *)&l[odx];
   scalar_type * pt = (scalar_type *)&s;
   for(int w=0;w<words;w++){
-    vp[idx+w*Nsimd] = pt[w];
+    putlane(vp[w],pt[w],idx);
   }
   return;
 };

Grid/lattice/Lattice_reduction.h

@@ -91,10 +91,7 @@ inline typename vobj::scalar_objectD sumD_cpu(const vobj *arg, Integer osites)
   for(int i=0;i<nthread;i++){
     ssum = ssum+sumarray[i];
   } 
-  
-  typedef typename vobj::scalar_object ssobj;
-  ssobj ret = ssum;
-  return ret;
+  return ssum;
 }
 /*
 Threaded max, don't use for now
@@ -222,7 +219,6 @@ template<class vobj> inline RealD maxLocalNorm2(const Lattice<vobj> &arg)
 template<class vobj>
 inline ComplexD rankInnerProduct(const Lattice<vobj> &left,const Lattice<vobj> &right)
 {
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_typeD vector_type;
   ComplexD  nrm;
   
@@ -299,7 +295,6 @@ axpby_norm_fast(Lattice<vobj> &z,sobj a,sobj b,const Lattice<vobj> &x,const Latt
   conformable(z,x);
   conformable(x,y);
 
-  typedef typename vobj::scalar_type scalar_type;
   //  typedef typename vobj::vector_typeD vector_type;
   RealD  nrm;
   
@@ -344,7 +339,6 @@ innerProductNorm(ComplexD& ip, RealD &nrm, const Lattice<vobj> &left,const Latti
 {
   conformable(left,right);
 
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_typeD vector_type;
   Vector<ComplexD> tmp(2);
 
@@ -488,6 +482,14 @@ template<class vobj> inline void sliceSum(const Lattice<vobj> &Data,std::vector<
   int words = fd*sizeof(sobj)/sizeof(scalar_type);
   grid->GlobalSumVector(ptr, words);
 }
+template<class vobj> inline
+std::vector<typename vobj::scalar_object> 
+sliceSum(const Lattice<vobj> &Data,int orthogdim)
+{
+  std::vector<typename vobj::scalar_object> result;
+  sliceSum(Data,result,orthogdim);
+  return result;
+}
 
 template<class vobj>
 static void sliceInnerProductVector( std::vector<ComplexD> & result, const Lattice<vobj> &lhs,const Lattice<vobj> &rhs,int orthogdim) 
@@ -592,7 +594,8 @@ static void sliceNorm (std::vector<RealD> &sn,const Lattice<vobj> &rhs,int Ortho
 template<class vobj>
 static void sliceMaddVector(Lattice<vobj> &R,std::vector<RealD> &a,const Lattice<vobj> &X,const Lattice<vobj> &Y,
 			    int orthogdim,RealD scale=1.0) 
-{    
+{
+  // perhaps easier to just promote A to a field and use regular madd
   typedef typename vobj::scalar_object sobj;
   typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
@@ -623,8 +626,7 @@ static void sliceMaddVector(Lattice<vobj> &R,std::vector<RealD> &a,const Lattice
     for(int l=0;l<Nsimd;l++){
       grid->iCoorFromIindex(icoor,l);
       int ldx =r+icoor[orthogdim]*rd;
-      scalar_type *as =(scalar_type *)&av;
-      as[l] = scalar_type(a[ldx])*zscale;
+      av.putlane(scalar_type(a[ldx])*zscale,l);
     }
 
     tensor_reduced at; at=av;
@@ -664,7 +666,6 @@ template<class vobj>
 static void sliceMaddMatrix (Lattice<vobj> &R,Eigen::MatrixXcd &aa,const Lattice<vobj> &X,const Lattice<vobj> &Y,int Orthog,RealD scale=1.0) 
 {    
   typedef typename vobj::scalar_object sobj;
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
 
   int Nblock = X.Grid()->GlobalDimensions()[Orthog];
@@ -718,7 +719,6 @@ template<class vobj>
 static void sliceMulMatrix (Lattice<vobj> &R,Eigen::MatrixXcd &aa,const Lattice<vobj> &X,int Orthog,RealD scale=1.0) 
 {    
   typedef typename vobj::scalar_object sobj;
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
 
   int Nblock = X.Grid()->GlobalDimensions()[Orthog];
@@ -772,7 +772,6 @@ template<class vobj>
 static void sliceInnerProductMatrix(  Eigen::MatrixXcd &mat, const Lattice<vobj> &lhs,const Lattice<vobj> &rhs,int Orthog) 
 {
   typedef typename vobj::scalar_object sobj;
-  typedef typename vobj::scalar_type scalar_type;
   typedef typename vobj::vector_type vector_type;
   
   GridBase *FullGrid  = lhs.Grid();

Grid/lattice/Lattice_reduction_gpu.h

@@ -250,8 +250,6 @@ inline typename vobj::scalar_objectD sumD_gpu_large(const vobj *lat, Integer osi
 template <class vobj>
 inline typename vobj::scalar_objectD sumD_gpu(const vobj *lat, Integer osites)
 {
-  typedef typename vobj::vector_type  vector;
-  typedef typename vobj::scalar_typeD scalarD;
   typedef typename vobj::scalar_objectD sobj;
   sobj ret;
   

Grid/lattice/Lattice_transfer.h

@@ -194,11 +194,11 @@ accelerator_inline void convertType(vComplexD2 & out, const ComplexD & in) {
 #endif
 
 accelerator_inline void convertType(vComplexF & out, const vComplexD2 & in) {
-  out.v = Optimization::PrecisionChange::DtoS(in._internal[0].v,in._internal[1].v);
+  precisionChange(out,in);
 }
 
 accelerator_inline void convertType(vComplexD2 & out, const vComplexF & in) {
-  Optimization::PrecisionChange::StoD(in.v,out._internal[0].v,out._internal[1].v);
+  precisionChange(out,in);
 }
 
 template<typename T1,typename T2>
@@ -677,10 +677,10 @@ void localCopyRegion(const Lattice<vobj> &From,Lattice<vobj> & To,Coordinate Fro
       Integer idx_t = 0; for(int d=0;d<nd;d++) idx_t+=ist[d]*(Tcoor[d]/rdt[d]);
       Integer odx_f = 0; for(int d=0;d<nd;d++) odx_f+=osf[d]*(Fcoor[d]%rdf[d]);
       Integer odx_t = 0; for(int d=0;d<nd;d++) odx_t+=ost[d]*(Tcoor[d]%rdt[d]);
-      scalar_type * fp = (scalar_type *)&f_v[odx_f];
-      scalar_type * tp = (scalar_type *)&t_v[odx_t];
+      vector_type * fp = (vector_type *)&f_v[odx_f];
+      vector_type * tp = (vector_type *)&t_v[odx_t];
       for(int w=0;w<words;w++){
-	tp[idx_t+w*Nsimd] = fp[idx_f+w*Nsimd];  // FIXME IF RRII layout, type pun no worke
+	tp[w].putlane(fp[w].getlane(idx_f),idx_t);
       }
     }
   });
@@ -1080,6 +1080,23 @@ vectorizeFromRevLexOrdArray( std::vector<sobj> &in, Lattice<vobj> &out)
   });
 }
 
+template<class VobjOut, class VobjIn>
+void precisionChangeFast(Lattice<VobjOut> &out, const Lattice<VobjIn> &in)
+{
+  typedef typename VobjOut::vector_type Vout;
+  typedef typename VobjIn::vector_type Vin;
+  const int N = sizeof(VobjOut)/sizeof(Vout);
+  conformable(out.Grid(),in.Grid());
+  out.Checkerboard() = in.Checkerboard();
+  int nsimd = out.Grid()->Nsimd();
+  autoView( out_v  , out, AcceleratorWrite);
+  autoView(  in_v ,   in, AcceleratorRead);
+  accelerator_for(idx,out.Grid()->oSites(),1,{
+      Vout *vout = (Vout *)&out_v[idx];
+      Vin  *vin  = (Vin  *)&in_v[idx];
+      precisionChange(vout,vin,N);
+  });
+}
 //Convert a Lattice from one precision to another
 template<class VobjOut, class VobjIn>
 void precisionChange(Lattice<VobjOut> &out, const Lattice<VobjIn> &in)
@@ -1097,7 +1114,7 @@ void precisionChange(Lattice<VobjOut> &out, const Lattice<VobjIn> &in)
 
   int ndim = out.Grid()->Nd();
   int out_nsimd = out_grid->Nsimd();
-    
+  int in_nsimd = in_grid->Nsimd();
   std::vector<Coordinate > out_icoor(out_nsimd);
       
   for(int lane=0; lane < out_nsimd; lane++){

Grid/log/Log.cc

@@ -66,8 +66,10 @@ GridLogger GridLogError  (1, "Error" , GridLogColours, "RED");
 GridLogger GridLogWarning(1, "Warning", GridLogColours, "YELLOW");
 GridLogger GridLogMessage(1, "Message", GridLogColours, "NORMAL");
 GridLogger GridLogMemory (1, "Memory", GridLogColours, "NORMAL");
+GridLogger GridLogTracing(1, "Tracing", GridLogColours, "NORMAL");
 GridLogger GridLogDebug  (1, "Debug", GridLogColours, "PURPLE");
 GridLogger GridLogPerformance(1, "Performance", GridLogColours, "GREEN");
+GridLogger GridLogDslash     (1, "Dslash", GridLogColours, "BLUE");
 GridLogger GridLogIterative  (1, "Iterative", GridLogColours, "BLUE");
 GridLogger GridLogIntegrator (1, "Integrator", GridLogColours, "BLUE");
 GridLogger GridLogHMC (1, "HMC", GridLogColours, "BLUE");
@@ -76,23 +78,27 @@ void GridLogConfigure(std::vector<std::string> &logstreams) {
   GridLogError.Active(1);
   GridLogWarning.Active(0);
   GridLogMessage.Active(1); // at least the messages should be always on
-  GridLogMemory.Active(0); // at least the messages should be always on
+  GridLogMemory.Active(0); 
+  GridLogTracing.Active(0); 
   GridLogIterative.Active(0);
   GridLogDebug.Active(0);
   GridLogPerformance.Active(0);
+  GridLogDslash.Active(0);
   GridLogIntegrator.Active(1);
   GridLogColours.Active(0);
   GridLogHMC.Active(1);
 
   for (int i = 0; i < logstreams.size(); i++) {
+    if (logstreams[i] == std::string("Tracing"))     GridLogTracing.Active(1);
     if (logstreams[i] == std::string("Memory"))      GridLogMemory.Active(1);
     if (logstreams[i] == std::string("Warning"))     GridLogWarning.Active(1);
     if (logstreams[i] == std::string("NoMessage"))   GridLogMessage.Active(0);
     if (logstreams[i] == std::string("Iterative"))   GridLogIterative.Active(1);
     if (logstreams[i] == std::string("Debug"))       GridLogDebug.Active(1);
     if (logstreams[i] == std::string("Performance")) GridLogPerformance.Active(1);
-    if (logstreams[i] == std::string("NoIntegrator"))  GridLogIntegrator.Active(0);
-    if (logstreams[i] == std::string("NoHMC"))         GridLogHMC.Active(0);
+    if (logstreams[i] == std::string("Dslash"))      GridLogDslash.Active(1);
+    if (logstreams[i] == std::string("NoIntegrator"))GridLogIntegrator.Active(0);
+    if (logstreams[i] == std::string("NoHMC"))       GridLogHMC.Active(0);
     if (logstreams[i] == std::string("Colours"))     GridLogColours.Active(1);
   }
 }

Grid/log/Log.h

@@ -138,7 +138,8 @@ public:
         stream << std::setw(log.topWidth);
       }
       stream << log.topName << log.background()<< " : ";
-      stream << log.colour() <<  std::left;
+      //      stream << log.colour() <<  std::left;
+      stream <<  std::left;
       if (log.chanWidth > 0)
       {
         stream << std::setw(log.chanWidth);
@@ -153,9 +154,9 @@ public:
 	stream << log.evidence()
 	       << now	       << log.background() << " : " ;
       }
-      stream << log.colour();
+      //      stream << log.colour();
+      stream <<  std::right;
       stream.flags(f);
-
       return stream;
     } else { 
       return devnull;
@@ -180,10 +181,12 @@ extern GridLogger GridLogWarning;
 extern GridLogger GridLogMessage;
 extern GridLogger GridLogDebug  ;
 extern GridLogger GridLogPerformance;
+extern GridLogger GridLogDslash;
 extern GridLogger GridLogIterative  ;
 extern GridLogger GridLogIntegrator  ;
 extern GridLogger GridLogHMC;
 extern GridLogger GridLogMemory;
+extern GridLogger GridLogTracing;
 extern Colours    GridLogColours;
 
 std::string demangle(const char* name) ;

Grid/perfmon/PerfCount.cc

@@ -27,10 +27,13 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
 /*  END LEGAL */
 
 #include <Grid/GridCore.h>
-#include <Grid/perfmon/PerfCount.h>
 
+#include <Grid/perfmon/Timer.h>
+#include <Grid/perfmon/PerfCount.h>
 NAMESPACE_BEGIN(Grid);
 
+GridTimePoint theProgramStart = GridClock::now();
+
 #define CacheControl(L,O,R) ((PERF_COUNT_HW_CACHE_##L)|(PERF_COUNT_HW_CACHE_OP_##O<<8)| (PERF_COUNT_HW_CACHE_RESULT_##R<<16))
 #define RawConfig(A,B) (A<<8|B)
 const PerformanceCounter::PerformanceCounterConfig PerformanceCounter::PerformanceCounterConfigs [] = {

Grid/perfmon/Timer.h

@@ -35,17 +35,8 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 
 NAMESPACE_BEGIN(Grid)
 
-// Dress the output; use std::chrono
-// C++11 time facilities better?
-inline double usecond(void) {
-  struct timeval tv;
-  tv.tv_sec = 0;
-  tv.tv_usec = 0;
-  gettimeofday(&tv,NULL);
-  return 1.0*tv.tv_usec + 1.0e6*tv.tv_sec;
-}
-
-typedef  std::chrono::system_clock          GridClock;
+//typedef  std::chrono::system_clock          GridClock;
+typedef  std::chrono::high_resolution_clock   GridClock;
 typedef  std::chrono::time_point<GridClock> GridTimePoint;
 
 typedef  std::chrono::seconds               GridSecs;
@@ -53,6 +44,15 @@ typedef  std::chrono::milliseconds          GridMillisecs;
 typedef  std::chrono::microseconds          GridUsecs;
 typedef  std::chrono::microseconds          GridTime;
 
+extern GridTimePoint theProgramStart;
+// Dress the output; use std::chrono
+// C++11 time facilities better?
+inline double usecond(void) {
+  auto usecs = std::chrono::duration_cast<GridUsecs>(GridClock::now()-theProgramStart); 
+  return 1.0*usecs.count();
+}
+
+
 inline std::ostream& operator<< (std::ostream & stream, const GridSecs & time)
 {
   stream << time.count()<<" s";

Grid/perfmon/Tracing.h

@@ -0,0 +1,70 @@
+#pragma once
+
+NAMESPACE_BEGIN(Grid);
+
+#ifdef GRID_TRACING_NVTX
+#include <nvToolsExt.h>
+class GridTracer {
+public:
+  GridTracer(const char* name) {
+    nvtxRangePushA(name);
+  }
+  ~GridTracer() {
+    nvtxRangePop();
+  }
+};
+inline void tracePush(const char *name) { nvtxRangePushA(name); }
+inline void tracePop(const char *name) { nvtxRangePop(); }
+inline int  traceStart(const char *name) {  }
+inline void traceStop(int ID) {  }
+#endif
+
+#ifdef GRID_TRACING_ROCTX
+#include <roctracer/roctx.h>
+class GridTracer {
+ public:
+  GridTracer(const char* name) {
+    roctxRangePushA(name);
+    std::cout << "roctxRangePush "<<name<<std::endl;
+  }
+  ~GridTracer() {
+    roctxRangePop();
+    std::cout << "roctxRangePop "<<std::endl;
+  }
+};
+inline void tracePush(const char *name) { roctxRangePushA(name); }
+inline void tracePop(const char *name) { roctxRangePop(); }
+inline int  traceStart(const char *name) { roctxRangeStart(name); }
+inline void traceStop(int ID) { roctxRangeStop(ID); }
+#endif
+
+#ifdef GRID_TRACING_TIMER
+class GridTracer {
+ public:
+  const char *name;
+  double elapsed;
+  GridTracer(const char* _name) {
+    name = _name;
+    elapsed=-usecond();
+  }
+  ~GridTracer() {
+    elapsed+=usecond();
+    std::cout << GridLogTracing << name << " took " <<elapsed<< " us" <<std::endl;
+  }
+};
+inline void tracePush(const char *name) {  }
+inline void tracePop(const char *name) {  }
+inline int  traceStart(const char *name) { return 0; }
+inline void traceStop(int ID) {  }
+#endif
+
+#ifdef GRID_TRACING_NONE
+#define GRID_TRACE(name) 
+inline void tracePush(const char *name) {  }
+inline void tracePop(const char *name) {  }
+inline int  traceStart(const char *name) { return 0;  }
+inline void traceStop(int ID) {  }
+#else
+#define GRID_TRACE(name) GridTracer uniq_name_using_macros##__COUNTER__(name);
+#endif
+NAMESPACE_END(Grid);

Grid/qcd/QCD.h

@@ -126,6 +126,7 @@ typedef iSpinMatrix<ComplexD >          SpinMatrixD;
 typedef iSpinMatrix<vComplex >          vSpinMatrix;
 typedef iSpinMatrix<vComplexF>          vSpinMatrixF;
 typedef iSpinMatrix<vComplexD>          vSpinMatrixD;
+typedef iSpinMatrix<vComplexD2>         vSpinMatrixD2;
 
 // Colour Matrix
 typedef iColourMatrix<Complex  >        ColourMatrix;
@@ -135,6 +136,7 @@ typedef iColourMatrix<ComplexD >        ColourMatrixD;
 typedef iColourMatrix<vComplex >        vColourMatrix;
 typedef iColourMatrix<vComplexF>        vColourMatrixF;
 typedef iColourMatrix<vComplexD>        vColourMatrixD;
+typedef iColourMatrix<vComplexD2>       vColourMatrixD2;
 
 // SpinColour matrix
 typedef iSpinColourMatrix<Complex  >    SpinColourMatrix;
@@ -144,6 +146,7 @@ typedef iSpinColourMatrix<ComplexD >    SpinColourMatrixD;
 typedef iSpinColourMatrix<vComplex >    vSpinColourMatrix;
 typedef iSpinColourMatrix<vComplexF>    vSpinColourMatrixF;
 typedef iSpinColourMatrix<vComplexD>    vSpinColourMatrixD;
+typedef iSpinColourMatrix<vComplexD2>   vSpinColourMatrixD2;
 
 // SpinColourSpinColour matrix
 typedef iSpinColourSpinColourMatrix<Complex  >    SpinColourSpinColourMatrix;
@@ -153,6 +156,7 @@ typedef iSpinColourSpinColourMatrix<ComplexD >    SpinColourSpinColourMatrixD;
 typedef iSpinColourSpinColourMatrix<vComplex >    vSpinColourSpinColourMatrix;
 typedef iSpinColourSpinColourMatrix<vComplexF>    vSpinColourSpinColourMatrixF;
 typedef iSpinColourSpinColourMatrix<vComplexD>    vSpinColourSpinColourMatrixD;
+typedef iSpinColourSpinColourMatrix<vComplexD2>   vSpinColourSpinColourMatrixD2;
 
 // SpinColourSpinColour matrix
 typedef iSpinColourSpinColourMatrix<Complex  >    SpinColourSpinColourMatrix;
@@ -162,33 +166,37 @@ typedef iSpinColourSpinColourMatrix<ComplexD >    SpinColourSpinColourMatrixD;
 typedef iSpinColourSpinColourMatrix<vComplex >    vSpinColourSpinColourMatrix;
 typedef iSpinColourSpinColourMatrix<vComplexF>    vSpinColourSpinColourMatrixF;
 typedef iSpinColourSpinColourMatrix<vComplexD>    vSpinColourSpinColourMatrixD;
+typedef iSpinColourSpinColourMatrix<vComplexD2>   vSpinColourSpinColourMatrixD2;
 
 // LorentzColour
 typedef iLorentzColourMatrix<Complex  > LorentzColourMatrix;
 typedef iLorentzColourMatrix<ComplexF > LorentzColourMatrixF;
 typedef iLorentzColourMatrix<ComplexD > LorentzColourMatrixD;
 
-typedef iLorentzColourMatrix<vComplex > vLorentzColourMatrix;
-typedef iLorentzColourMatrix<vComplexF> vLorentzColourMatrixF;
-typedef iLorentzColourMatrix<vComplexD> vLorentzColourMatrixD;
+typedef iLorentzColourMatrix<vComplex >  vLorentzColourMatrix;
+typedef iLorentzColourMatrix<vComplexF>  vLorentzColourMatrixF;
+typedef iLorentzColourMatrix<vComplexD>  vLorentzColourMatrixD;
+typedef iLorentzColourMatrix<vComplexD2> vLorentzColourMatrixD2;
 
 // DoubleStored gauge field
 typedef iDoubleStoredColourMatrix<Complex  > DoubleStoredColourMatrix;
 typedef iDoubleStoredColourMatrix<ComplexF > DoubleStoredColourMatrixF;
 typedef iDoubleStoredColourMatrix<ComplexD > DoubleStoredColourMatrixD;
 
-typedef iDoubleStoredColourMatrix<vComplex > vDoubleStoredColourMatrix;
-typedef iDoubleStoredColourMatrix<vComplexF> vDoubleStoredColourMatrixF;
-typedef iDoubleStoredColourMatrix<vComplexD> vDoubleStoredColourMatrixD;
+typedef iDoubleStoredColourMatrix<vComplex >  vDoubleStoredColourMatrix;
+typedef iDoubleStoredColourMatrix<vComplexF>  vDoubleStoredColourMatrixF;
+typedef iDoubleStoredColourMatrix<vComplexD>  vDoubleStoredColourMatrixD;
+typedef iDoubleStoredColourMatrix<vComplexD2> vDoubleStoredColourMatrixD2;
 
 //G-parity flavour matrix
 typedef iGparityFlavourMatrix<Complex> GparityFlavourMatrix;
 typedef iGparityFlavourMatrix<ComplexF> GparityFlavourMatrixF;
 typedef iGparityFlavourMatrix<ComplexD> GparityFlavourMatrixD;
 
-typedef iGparityFlavourMatrix<vComplex> vGparityFlavourMatrix;
-typedef iGparityFlavourMatrix<vComplexF> vGparityFlavourMatrixF;
-typedef iGparityFlavourMatrix<vComplexD> vGparityFlavourMatrixD;
+typedef iGparityFlavourMatrix<vComplex>   vGparityFlavourMatrix;
+typedef iGparityFlavourMatrix<vComplexF>  vGparityFlavourMatrixF;
+typedef iGparityFlavourMatrix<vComplexD>  vGparityFlavourMatrixD;
+typedef iGparityFlavourMatrix<vComplexD2> vGparityFlavourMatrixD2;
 
 
 // Spin vector
@@ -199,6 +207,7 @@ typedef iSpinVector<ComplexD>           SpinVectorD;
 typedef iSpinVector<vComplex >           vSpinVector;
 typedef iSpinVector<vComplexF>           vSpinVectorF;
 typedef iSpinVector<vComplexD>           vSpinVectorD;
+typedef iSpinVector<vComplexD2>          vSpinVectorD2;
 
 // Colour vector
 typedef iColourVector<Complex >         ColourVector;
@@ -208,6 +217,7 @@ typedef iColourVector<ComplexD>         ColourVectorD;
 typedef iColourVector<vComplex >         vColourVector;
 typedef iColourVector<vComplexF>         vColourVectorF;
 typedef iColourVector<vComplexD>         vColourVectorD;
+typedef iColourVector<vComplexD2>        vColourVectorD2;
 
 // SpinColourVector
 typedef iSpinColourVector<Complex >     SpinColourVector;
@@ -217,6 +227,7 @@ typedef iSpinColourVector<ComplexD>     SpinColourVectorD;
 typedef iSpinColourVector<vComplex >     vSpinColourVector;
 typedef iSpinColourVector<vComplexF>     vSpinColourVectorF;
 typedef iSpinColourVector<vComplexD>     vSpinColourVectorD;
+typedef iSpinColourVector<vComplexD2>    vSpinColourVectorD2;
 
 // HalfSpin vector
 typedef iHalfSpinVector<Complex >       HalfSpinVector;
@@ -226,15 +237,17 @@ typedef iHalfSpinVector<ComplexD>       HalfSpinVectorD;
 typedef iHalfSpinVector<vComplex >       vHalfSpinVector;
 typedef iHalfSpinVector<vComplexF>       vHalfSpinVectorF;
 typedef iHalfSpinVector<vComplexD>       vHalfSpinVectorD;
+typedef iHalfSpinVector<vComplexD2>      vHalfSpinVectorD2;
 
 // HalfSpinColour vector
 typedef iHalfSpinColourVector<Complex > HalfSpinColourVector;
 typedef iHalfSpinColourVector<ComplexF> HalfSpinColourVectorF;
 typedef iHalfSpinColourVector<ComplexD> HalfSpinColourVectorD;
     
-typedef iHalfSpinColourVector<vComplex > vHalfSpinColourVector;
-typedef iHalfSpinColourVector<vComplexF> vHalfSpinColourVectorF;
-typedef iHalfSpinColourVector<vComplexD> vHalfSpinColourVectorD;
+typedef iHalfSpinColourVector<vComplex >  vHalfSpinColourVector;
+typedef iHalfSpinColourVector<vComplexF>  vHalfSpinColourVectorF;
+typedef iHalfSpinColourVector<vComplexD>  vHalfSpinColourVectorD;
+typedef iHalfSpinColourVector<vComplexD2> vHalfSpinColourVectorD2;
 
 //G-parity flavour vector
 typedef iGparityFlavourVector<Complex >         GparityFlavourVector;
@@ -244,7 +257,7 @@ typedef iGparityFlavourVector<ComplexD>         GparityFlavourVectorD;
 typedef iGparityFlavourVector<vComplex >         vGparityFlavourVector;
 typedef iGparityFlavourVector<vComplexF>         vGparityFlavourVectorF;
 typedef iGparityFlavourVector<vComplexD>         vGparityFlavourVectorD;
-
+typedef iGparityFlavourVector<vComplexD2>        vGparityFlavourVectorD2;
     
 // singlets
 typedef iSinglet<Complex >         TComplex;     // FIXME This is painful. Tensor singlet complex type.
@@ -254,6 +267,7 @@ typedef iSinglet<ComplexD>         TComplexD;    // FIXME This is painful. Tenso
 typedef iSinglet<vComplex >        vTComplex ;   // what if we don't know the tensor structure
 typedef iSinglet<vComplexF>        vTComplexF;   // what if we don't know the tensor structure
 typedef iSinglet<vComplexD>        vTComplexD;   // what if we don't know the tensor structure
+typedef iSinglet<vComplexD2>       vTComplexD2;   // what if we don't know the tensor structure
 
 typedef iSinglet<Real >            TReal;        // Shouldn't need these; can I make it work without?
 typedef iSinglet<RealF>            TRealF;       // Shouldn't need these; can I make it work without?
@@ -271,47 +285,58 @@ typedef iSinglet<Integer >         TInteger;
 typedef Lattice<vColourMatrix>          LatticeColourMatrix;
 typedef Lattice<vColourMatrixF>         LatticeColourMatrixF;
 typedef Lattice<vColourMatrixD>         LatticeColourMatrixD;
+typedef Lattice<vColourMatrixD2>        LatticeColourMatrixD2;
 
 typedef Lattice<vSpinMatrix>            LatticeSpinMatrix;
 typedef Lattice<vSpinMatrixF>           LatticeSpinMatrixF;
 typedef Lattice<vSpinMatrixD>           LatticeSpinMatrixD;
+typedef Lattice<vSpinMatrixD2>          LatticeSpinMatrixD2;
 
 typedef Lattice<vSpinColourMatrix>      LatticeSpinColourMatrix;
 typedef Lattice<vSpinColourMatrixF>     LatticeSpinColourMatrixF;
 typedef Lattice<vSpinColourMatrixD>     LatticeSpinColourMatrixD;
+typedef Lattice<vSpinColourMatrixD2>    LatticeSpinColourMatrixD2;
 
 typedef Lattice<vSpinColourSpinColourMatrix>      LatticeSpinColourSpinColourMatrix;
 typedef Lattice<vSpinColourSpinColourMatrixF>     LatticeSpinColourSpinColourMatrixF;
 typedef Lattice<vSpinColourSpinColourMatrixD>     LatticeSpinColourSpinColourMatrixD;
+typedef Lattice<vSpinColourSpinColourMatrixD2>    LatticeSpinColourSpinColourMatrixD2;
 
-typedef Lattice<vLorentzColourMatrix>  LatticeLorentzColourMatrix;
-typedef Lattice<vLorentzColourMatrixF> LatticeLorentzColourMatrixF;
-typedef Lattice<vLorentzColourMatrixD> LatticeLorentzColourMatrixD;
+typedef Lattice<vLorentzColourMatrix>   LatticeLorentzColourMatrix;
+typedef Lattice<vLorentzColourMatrixF>  LatticeLorentzColourMatrixF;
+typedef Lattice<vLorentzColourMatrixD>  LatticeLorentzColourMatrixD;
+typedef Lattice<vLorentzColourMatrixD2> LatticeLorentzColourMatrixD2;
 
 // DoubleStored gauge field
-typedef Lattice<vDoubleStoredColourMatrix>  LatticeDoubleStoredColourMatrix;
-typedef Lattice<vDoubleStoredColourMatrixF> LatticeDoubleStoredColourMatrixF;
-typedef Lattice<vDoubleStoredColourMatrixD> LatticeDoubleStoredColourMatrixD;
+typedef Lattice<vDoubleStoredColourMatrix>   LatticeDoubleStoredColourMatrix;
+typedef Lattice<vDoubleStoredColourMatrixF>  LatticeDoubleStoredColourMatrixF;
+typedef Lattice<vDoubleStoredColourMatrixD>  LatticeDoubleStoredColourMatrixD;
+typedef Lattice<vDoubleStoredColourMatrixD2> LatticeDoubleStoredColourMatrixD2;
 
 typedef Lattice<vSpinVector>            LatticeSpinVector;
 typedef Lattice<vSpinVectorF>           LatticeSpinVectorF;
 typedef Lattice<vSpinVectorD>           LatticeSpinVectorD;
+typedef Lattice<vSpinVectorD2>          LatticeSpinVectorD2;
 
 typedef Lattice<vColourVector>          LatticeColourVector;
 typedef Lattice<vColourVectorF>         LatticeColourVectorF;
 typedef Lattice<vColourVectorD>         LatticeColourVectorD;
+typedef Lattice<vColourVectorD2>        LatticeColourVectorD2;
 
 typedef Lattice<vSpinColourVector>      LatticeSpinColourVector;
 typedef Lattice<vSpinColourVectorF>     LatticeSpinColourVectorF;
 typedef Lattice<vSpinColourVectorD>     LatticeSpinColourVectorD;
+typedef Lattice<vSpinColourVectorD2>    LatticeSpinColourVectorD2;
 
 typedef Lattice<vHalfSpinVector>        LatticeHalfSpinVector;
 typedef Lattice<vHalfSpinVectorF>       LatticeHalfSpinVectorF;
 typedef Lattice<vHalfSpinVectorD>       LatticeHalfSpinVectorD;
+typedef Lattice<vHalfSpinVectorD2>      LatticeHalfSpinVectorD2;
 
-typedef Lattice<vHalfSpinColourVector>  LatticeHalfSpinColourVector;
-typedef Lattice<vHalfSpinColourVectorF> LatticeHalfSpinColourVectorF;
-typedef Lattice<vHalfSpinColourVectorD> LatticeHalfSpinColourVectorD;
+typedef Lattice<vHalfSpinColourVector>   LatticeHalfSpinColourVector;
+typedef Lattice<vHalfSpinColourVectorF>  LatticeHalfSpinColourVectorF;
+typedef Lattice<vHalfSpinColourVectorD>  LatticeHalfSpinColourVectorD;
+typedef Lattice<vHalfSpinColourVectorD2> LatticeHalfSpinColourVectorD2;
 
 typedef Lattice<vTReal>            LatticeReal;
 typedef Lattice<vTRealF>           LatticeRealF;
@@ -320,6 +345,7 @@ typedef Lattice<vTRealD>           LatticeRealD;
 typedef Lattice<vTComplex>         LatticeComplex;
 typedef Lattice<vTComplexF>        LatticeComplexF;
 typedef Lattice<vTComplexD>        LatticeComplexD;
+typedef Lattice<vTComplexD2>       LatticeComplexD2;
 
 typedef Lattice<vTInteger>         LatticeInteger; // Predicates for "where"
 
@@ -327,37 +353,42 @@ typedef Lattice<vTInteger>         LatticeInteger; // Predicates for "where"
 ///////////////////////////////////////////
 // Physical names for things
 ///////////////////////////////////////////
-typedef LatticeHalfSpinColourVector  LatticeHalfFermion;
-typedef LatticeHalfSpinColourVectorF LatticeHalfFermionF;
-typedef LatticeHalfSpinColourVectorF LatticeHalfFermionD;
+typedef LatticeHalfSpinColourVector   LatticeHalfFermion;
+typedef LatticeHalfSpinColourVectorF  LatticeHalfFermionF;
+typedef LatticeHalfSpinColourVectorD  LatticeHalfFermionD;
+typedef LatticeHalfSpinColourVectorD2 LatticeHalfFermionD2;
 
 typedef LatticeSpinColourVector      LatticeFermion;
 typedef LatticeSpinColourVectorF     LatticeFermionF;
 typedef LatticeSpinColourVectorD     LatticeFermionD;
+typedef LatticeSpinColourVectorD2    LatticeFermionD2;
 
 typedef LatticeSpinColourMatrix                LatticePropagator;
 typedef LatticeSpinColourMatrixF               LatticePropagatorF;
 typedef LatticeSpinColourMatrixD               LatticePropagatorD;
+typedef LatticeSpinColourMatrixD2              LatticePropagatorD2;
 
 typedef LatticeLorentzColourMatrix             LatticeGaugeField;
 typedef LatticeLorentzColourMatrixF            LatticeGaugeFieldF;
 typedef LatticeLorentzColourMatrixD            LatticeGaugeFieldD;
+typedef LatticeLorentzColourMatrixD2           LatticeGaugeFieldD2;
 
 typedef LatticeDoubleStoredColourMatrix        LatticeDoubledGaugeField;
 typedef LatticeDoubleStoredColourMatrixF       LatticeDoubledGaugeFieldF;
 typedef LatticeDoubleStoredColourMatrixD       LatticeDoubledGaugeFieldD;
+typedef LatticeDoubleStoredColourMatrixD2      LatticeDoubledGaugeFieldD2;
 
 template<class GF> using LorentzScalar = Lattice<iScalar<typename GF::vector_object::element> >;
 
-// Uhgg... typing this hurt  ;)
-// (my keyboard got burning hot when I typed this, must be the anti-Fermion)
 typedef Lattice<vColourVector>          LatticeStaggeredFermion;    
 typedef Lattice<vColourVectorF>         LatticeStaggeredFermionF;    
 typedef Lattice<vColourVectorD>         LatticeStaggeredFermionD;    
+typedef Lattice<vColourVectorD2>        LatticeStaggeredFermionD2;    
 
 typedef Lattice<vColourMatrix>          LatticeStaggeredPropagator; 
 typedef Lattice<vColourMatrixF>         LatticeStaggeredPropagatorF; 
 typedef Lattice<vColourMatrixD>         LatticeStaggeredPropagatorD; 
+typedef Lattice<vColourMatrixD2>        LatticeStaggeredPropagatorD2; 
 
 //////////////////////////////////////////////////////////////////////////////
 // Peek and Poke named after physics attributes

Grid/qcd/action/ActionBase.h

@@ -42,21 +42,35 @@ public:
   bool is_smeared = false;
   RealD deriv_norm_sum;
   RealD deriv_max_sum;
+  RealD Fdt_norm_sum;
+  RealD Fdt_max_sum;
   int   deriv_num;
   RealD deriv_us;
   RealD S_us;
   RealD refresh_us;
   void  reset_timer(void)        {
     deriv_us = S_us = refresh_us = 0.0;
-    deriv_num=0;
     deriv_norm_sum = deriv_max_sum=0.0;
+    Fdt_max_sum =  Fdt_norm_sum = 0.0;
+    deriv_num=0;
   }
-  void  deriv_log(RealD nrm, RealD max) { deriv_max_sum+=max; deriv_norm_sum+=nrm; deriv_num++;}
-  RealD deriv_max_average(void)         { return deriv_max_sum/deriv_num; };
-  RealD deriv_norm_average(void)        { return deriv_norm_sum/deriv_num; };
+  void  deriv_log(RealD nrm, RealD max,RealD Fdt_nrm,RealD Fdt_max) {
+    if ( max > deriv_max_sum ) {
+      deriv_max_sum=max;
+    }
+    deriv_norm_sum+=nrm;
+    if ( Fdt_max > Fdt_max_sum ) {
+      Fdt_max_sum=Fdt_max;
+    }
+    Fdt_norm_sum+=Fdt_nrm; deriv_num++;
+  }
+  RealD deriv_max_average(void)       { return deriv_max_sum; };
+  RealD deriv_norm_average(void)      { return deriv_norm_sum/deriv_num; };
+  RealD Fdt_max_average(void)         { return Fdt_max_sum; };
+  RealD Fdt_norm_average(void)        { return Fdt_norm_sum/deriv_num; };
   RealD deriv_timer(void)        { return deriv_us; };
-  RealD S_timer(void)            { return deriv_us; };
-  RealD refresh_timer(void)      { return deriv_us; };
+  RealD S_timer(void)            { return S_us; };
+  RealD refresh_timer(void)      { return refresh_us; };
   void deriv_timer_start(void)   { deriv_us-=usecond(); }
   void deriv_timer_stop(void)    { deriv_us+=usecond(); }
   void refresh_timer_start(void) { refresh_us-=usecond(); }
@@ -66,6 +80,7 @@ public:
   // Heatbath?
   virtual void refresh(const GaugeField& U, GridSerialRNG &sRNG, GridParallelRNG& pRNG) = 0; // refresh pseudofermions
   virtual RealD S(const GaugeField& U) = 0;                             // evaluate the action
+  virtual RealD Sinitial(const GaugeField& U) { return this->S(U); } ;  // if the refresh computes the action, can cache it. Alternately refreshAndAction() ?
   virtual void deriv(const GaugeField& U, GaugeField& dSdU) = 0;        // evaluate the action derivative
   virtual std::string action_name()    = 0;                             // return the action name
   virtual std::string LogParameters()  = 0;                             // prints action parameters

Grid/qcd/action/ActionParams.h

@@ -34,35 +34,44 @@ directory
 
 NAMESPACE_BEGIN(Grid);
 
-// These can move into a params header and be given MacroMagic serialisation
+
 struct GparityWilsonImplParams {
   Coordinate twists;
                      //mu=Nd-1 is assumed to be the time direction and a twist value of 1 indicates antiperiodic BCs
   Coordinate dirichlet; // Blocksize of dirichlet BCs
-  GparityWilsonImplParams() : twists(Nd, 0), dirichlet(Nd, 0) {};
+  int  partialDirichlet;
+  GparityWilsonImplParams() : twists(Nd, 0) {
+    dirichlet.resize(0);
+    partialDirichlet=0;
+  };
 };
   
 struct WilsonImplParams {
   bool overlapCommsCompute;
   Coordinate dirichlet; // Blocksize of dirichlet BCs
+  int  partialDirichlet;
   AcceleratorVector<Real,Nd> twist_n_2pi_L;
   AcceleratorVector<Complex,Nd> boundary_phases;
   WilsonImplParams()  {
-    dirichlet.resize(Nd,0);
+    dirichlet.resize(0);
+    partialDirichlet=0;
     boundary_phases.resize(Nd, 1.0);
       twist_n_2pi_L.resize(Nd, 0.0);
   };
   WilsonImplParams(const AcceleratorVector<Complex,Nd> phi) : boundary_phases(phi), overlapCommsCompute(false) {
     twist_n_2pi_L.resize(Nd, 0.0);
-    dirichlet.resize(Nd,0);
+    partialDirichlet=0;
+    dirichlet.resize(0);
   }
 };
 
 struct StaggeredImplParams {
   Coordinate dirichlet; // Blocksize of dirichlet BCs
+  int  partialDirichlet;
   StaggeredImplParams()
   {
-    dirichlet.resize(Nd,0);
+    partialDirichlet=0;
+    dirichlet.resize(0);
   };
 };
   

Grid/qcd/action/fermion/CayleyFermion5D.h

@@ -183,16 +183,6 @@ public:
 		  GridRedBlackCartesian &FourDimRedBlackGrid,
 		  RealD _mass,RealD _M5,const ImplParams &p= ImplParams());
 
-  void CayleyReport(void);
-  void CayleyZeroCounters(void);
-
-  double M5Dflops;
-  double M5Dcalls;
-  double M5Dtime;
-
-  double MooeeInvFlops;
-  double MooeeInvCalls;
-  double MooeeInvTime;
 
 protected:
   virtual void SetCoefficientsZolotarev(RealD zolohi,Approx::zolotarev_data *zdata,RealD b,RealD c);

Grid/qcd/action/fermion/CloverHelpers.h

@@ -140,6 +140,7 @@ public:
     return NMAX;
   }
 
+  static int getNMAX(Lattice<iImplClover<vComplexD2>> &t, RealD R) {return getNMAX(1e-12,R);}
   static int getNMAX(Lattice<iImplClover<vComplexD>> &t, RealD R) {return getNMAX(1e-12,R);}
   static int getNMAX(Lattice<iImplClover<vComplexF>> &t, RealD R) {return getNMAX(1e-6,R);}
 

Grid/qcd/action/fermion/DWFSlow.h

@@ -0,0 +1,291 @@
+/*************************************************************************************
+
+Grid physics library, www.github.com/paboyle/Grid
+
+Source file: ./lib/qcd/action/fermion/DWFSlow.h
+
+Copyright (C) 2022
+
+Author: Peter Boyle <pboyle@bnl.gov>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+See the full license in the file "LICENSE" in the top level distribution
+directory
+*************************************************************************************/
+			   /*  END LEGAL */
+#pragma once
+
+NAMESPACE_BEGIN(Grid);
+
+template <class Impl>
+class DWFSlowFermion : public FermionOperator<Impl>
+{
+public:
+  INHERIT_IMPL_TYPES(Impl);
+
+  ///////////////////////////////////////////////////////////////
+  // Implement the abstract base
+  ///////////////////////////////////////////////////////////////
+  GridBase *GaugeGrid(void) { return _grid4; }
+  GridBase *GaugeRedBlackGrid(void) { return _cbgrid4; }
+  GridBase *FermionGrid(void) { return _grid; }
+  GridBase *FermionRedBlackGrid(void) { return _cbgrid; }
+
+  FermionField _tmp;
+  FermionField &tmp(void) { return _tmp; }
+
+  //////////////////////////////////////////////////////////////////
+  // override multiply; cut number routines if pass dagger argument
+  // and also make interface more uniformly consistent
+  //////////////////////////////////////////////////////////////////
+  virtual void  M(const FermionField &in, FermionField &out)
+  {
+    FermionField tmp(_grid);
+    out = (5.0 - M5) * in;
+    Dhop(in,tmp,DaggerNo);
+    out = out + tmp;
+  }
+  virtual void  Mdag(const FermionField &in, FermionField &out)
+  {
+    FermionField tmp(_grid);
+    out = (5.0 - M5) * in;
+    Dhop(in,tmp,DaggerYes);
+    out = out + tmp;
+  };
+
+  /////////////////////////////////////////////////////////
+  // half checkerboard operations 5D redblack so just site identiy
+  /////////////////////////////////////////////////////////
+  void Meooe(const FermionField &in, FermionField &out)
+  {
+    if ( in.Checkerboard() == Odd ) {
+      this->DhopEO(in,out,DaggerNo);
+    } else {
+      this->DhopOE(in,out,DaggerNo);
+    }
+  }
+  void MeooeDag(const FermionField &in, FermionField &out)
+  {
+    if ( in.Checkerboard() == Odd ) {
+      this->DhopEO(in,out,DaggerYes);
+    } else {
+      this->DhopOE(in,out,DaggerYes);
+    }
+  };
+
+  // allow override for twisted mass and clover
+  virtual void Mooee(const FermionField &in, FermionField &out)
+  {
+    out = (5.0 - M5) * in;
+  }
+  virtual void MooeeDag(const FermionField &in, FermionField &out)
+  {
+    out = (5.0 - M5) * in;
+  }
+  virtual void MooeeInv(const FermionField &in, FermionField &out)
+  {
+    out = (1.0/(5.0 - M5)) * in;
+  };
+  virtual void MooeeInvDag(const FermionField &in, FermionField &out)
+  {
+    out = (1.0/(5.0 - M5)) * in;
+  };
+
+  virtual void  MomentumSpacePropagator(FermionField &out,const FermionField &in,RealD _mass,std::vector<double> twist) {} ;
+
+  ////////////////////////
+  // Derivative interface
+  ////////////////////////
+  // Interface calls an internal routine
+  void DhopDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag)  { assert(0);};
+  void DhopDerivOE(GaugeField &mat,const FermionField &U,const FermionField &V,int dag){ assert(0);};
+  void DhopDerivEO(GaugeField &mat,const FermionField &U,const FermionField &V,int dag){ assert(0);};
+
+  ///////////////////////////////////////////////////////////////
+  // non-hermitian hopping term; half cb or both
+  ///////////////////////////////////////////////////////////////
+  void Dhop(const FermionField &in, FermionField &out, int dag)
+  {
+    FermionField tmp(in.Grid());
+    Dhop5(in,out,MassField,MassField,dag );
+    for(int mu=0;mu<4;mu++){
+      DhopDirU(in,Umu[mu],Umu[mu],tmp,mu,dag );    out = out + tmp;
+    }
+  };
+  void DhopOE(const FermionField &in, FermionField &out, int dag)
+  {
+    FermionField tmp(in.Grid());
+    assert(in.Checkerboard()==Even);
+    Dhop5(in,out,MassFieldOdd,MassFieldEven,dag);
+    for(int mu=0;mu<4;mu++){
+      DhopDirU(in,UmuOdd[mu],UmuEven[mu],tmp,mu,dag );    out = out + tmp;
+    }
+  };
+  void DhopEO(const FermionField &in, FermionField &out, int dag)
+  {
+    FermionField tmp(in.Grid());
+    assert(in.Checkerboard()==Odd);
+    Dhop5(in,out, MassFieldEven,MassFieldOdd ,dag );  
+    for(int mu=0;mu<4;mu++){
+      DhopDirU(in,UmuEven[mu],UmuOdd[mu],tmp,mu,dag );    out = out + tmp;
+    }
+  };
+
+  ///////////////////////////////////////////////////////////////
+  // Multigrid assistance; force term uses too
+  ///////////////////////////////////////////////////////////////
+  void Mdir(const FermionField &in, FermionField &out, int dir, int disp){ assert(0);};
+  void MdirAll(const FermionField &in, std::vector<FermionField> &out)   { assert(0);};
+  void DhopDir(const FermionField &in, FermionField &out, int dir, int disp) { assert(0);};
+  void DhopDirAll(const FermionField &in, std::vector<FermionField> &out)    { assert(0);};
+  void DhopDirCalc(const FermionField &in, FermionField &out, int dirdisp,int gamma, int dag) { assert(0);};
+
+  void DhopDirU(const FermionField &in, const GaugeLinkField &U5e, const GaugeLinkField &U5o, FermionField &out, int mu, int dag)
+  {
+    RealD     sgn= 1.0;
+    if (dag ) sgn=-1.0;
+
+    Gamma::Algebra Gmu [] = {
+			 Gamma::Algebra::GammaX,
+			 Gamma::Algebra::GammaY,
+			 Gamma::Algebra::GammaZ,
+			 Gamma::Algebra::GammaT
+    };
+
+    //    mass is  1,1,1,1,-m has to multiply the round the world term
+    FermionField tmp (in.Grid());
+    tmp = U5e * Cshift(in,mu+1,1);
+    out = tmp - Gamma(Gmu[mu])*tmp*sgn;
+    
+    tmp = Cshift(adj(U5o)*in,mu+1,-1);
+    out = out + tmp + Gamma(Gmu[mu])*tmp*sgn;
+
+    out = -0.5*out;
+  };
+
+  void Dhop5(const FermionField &in, FermionField &out, ComplexField &massE, ComplexField &massO, int dag)
+  {
+    // Mass term.... must multiple the round world with mass = 1,1,1,1, -m
+    RealD     sgn= 1.0;
+    if (dag ) sgn=-1.0;
+
+    Gamma G5(Gamma::Algebra::Gamma5);
+
+    FermionField tmp (in.Grid());
+    tmp = massE*Cshift(in,0,1);
+    out = tmp - G5*tmp*sgn;
+    
+    tmp = Cshift(massO*in,0,-1);
+    out = out + tmp + G5*tmp*sgn;
+    out = -0.5*out;
+  };
+
+  // Constructor
+  DWFSlowFermion(GaugeField &_Umu, GridCartesian &Fgrid,
+		 GridRedBlackCartesian &Hgrid, RealD _mass, RealD _M5)
+    :
+    _grid(&Fgrid),
+    _cbgrid(&Hgrid),
+    _grid4(_Umu.Grid()),
+    Umu(Nd,&Fgrid),
+    UmuEven(Nd,&Hgrid),
+    UmuOdd(Nd,&Hgrid),
+    MassField(&Fgrid),
+    MassFieldEven(&Hgrid),
+    MassFieldOdd(&Hgrid),
+    M5(_M5),
+    mass(_mass),
+    _tmp(&Hgrid)
+    {
+      Ls=Fgrid._fdimensions[0];
+      ImportGauge(_Umu);
+
+      typedef typename FermionField::scalar_type scalar;
+
+      Lattice<iScalar<vInteger> > coor(&Fgrid);
+      LatticeCoordinate(coor, 0); // Scoor
+      ComplexField one(&Fgrid);
+      MassField =scalar(-mass);
+      one       =scalar(1.0);
+      MassField =where(coor==Integer(Ls-1),MassField,one);
+      for(int mu=0;mu<Nd;mu++){
+	pickCheckerboard(Even,UmuEven[mu],Umu[mu]);
+	pickCheckerboard(Odd ,UmuOdd[mu],Umu[mu]);
+      }
+      pickCheckerboard(Even,MassFieldEven,MassField);
+      pickCheckerboard(Odd ,MassFieldOdd,MassField);
+      
+    }
+  
+  // DoubleStore impl dependent
+  void ImportGauge(const GaugeField &_Umu4)
+  {
+    GaugeLinkField U4(_grid4);
+    for(int mu=0;mu<Nd;mu++){
+      U4 = PeekIndex<LorentzIndex>(_Umu4, mu);
+      for(int s=0;s<this->Ls;s++){
+	InsertSlice(U4,Umu[mu],s,0);
+      }
+    }
+  }
+
+  ///////////////////////////////////////////////////////////////
+  // Data members require to support the functionality
+  ///////////////////////////////////////////////////////////////
+
+public:
+  virtual RealD Mass(void) { return mass; }
+  virtual int   isTrivialEE(void) { return 1; };
+  RealD mass;
+  RealD M5;
+  int Ls;
+
+  GridBase *_grid4;
+  GridBase *_grid;
+  GridBase *_cbgrid4;
+  GridBase *_cbgrid;
+
+  // Copy of the gauge field , with even and odd subsets
+  std::vector<GaugeLinkField> Umu;
+  std::vector<GaugeLinkField> UmuEven;
+  std::vector<GaugeLinkField> UmuOdd;
+  ComplexField MassField;
+  ComplexField MassFieldEven;
+  ComplexField MassFieldOdd;
+
+  ///////////////////////////////////////////////////////////////
+  // Conserved current utilities
+  ///////////////////////////////////////////////////////////////
+  void ContractConservedCurrent(PropagatorField &q_in_1,
+                                PropagatorField &q_in_2,
+                                PropagatorField &q_out,
+                                PropagatorField &phys_src,
+                                Current curr_type,
+                                unsigned int mu){}
+  void SeqConservedCurrent(PropagatorField &q_in,
+                           PropagatorField &q_out,
+                           PropagatorField &phys_src,
+                           Current curr_type,
+                           unsigned int mu,
+                           unsigned int tmin,
+			   unsigned int tmax,
+			   ComplexField &lattice_cmplx){}
+};
+
+typedef DWFSlowFermion<WilsonImplF> DWFSlowFermionF;
+typedef DWFSlowFermion<WilsonImplD> DWFSlowFermionD;
+
+NAMESPACE_END(Grid);

Grid/qcd/action/fermion/Fermion.h

@@ -47,6 +47,7 @@ Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
 ////////////////////////////////////////////
 // Fermion operators / actions
 ////////////////////////////////////////////
+#include <Grid/qcd/action/fermion/DWFSlow.h>       // Slow DWF
 
 #include <Grid/qcd/action/fermion/WilsonFermion.h>       // 4d wilson like
 NAMESPACE_CHECK(Wilson);
@@ -112,28 +113,21 @@ NAMESPACE_CHECK(DWFutils);
 // Cayley 5d
 NAMESPACE_BEGIN(Grid);
 
-typedef WilsonFermion<WilsonImplR> WilsonFermionR;
+typedef WilsonFermion<WilsonImplD2> WilsonFermionD2;
 typedef WilsonFermion<WilsonImplF> WilsonFermionF;
 typedef WilsonFermion<WilsonImplD> WilsonFermionD;
 
-//typedef WilsonFermion<WilsonImplRL> WilsonFermionRL;
-//typedef WilsonFermion<WilsonImplFH> WilsonFermionFH;
-//typedef WilsonFermion<WilsonImplDF> WilsonFermionDF;
-
-typedef WilsonFermion<WilsonAdjImplR> WilsonAdjFermionR;
 typedef WilsonFermion<WilsonAdjImplF> WilsonAdjFermionF;
 typedef WilsonFermion<WilsonAdjImplD> WilsonAdjFermionD;
 
-typedef WilsonFermion<WilsonTwoIndexSymmetricImplR> WilsonTwoIndexSymmetricFermionR;
 typedef WilsonFermion<WilsonTwoIndexSymmetricImplF> WilsonTwoIndexSymmetricFermionF;
 typedef WilsonFermion<WilsonTwoIndexSymmetricImplD> WilsonTwoIndexSymmetricFermionD;
 
-typedef WilsonFermion<WilsonTwoIndexAntiSymmetricImplR> WilsonTwoIndexAntiSymmetricFermionR;
 typedef WilsonFermion<WilsonTwoIndexAntiSymmetricImplF> WilsonTwoIndexAntiSymmetricFermionF;
 typedef WilsonFermion<WilsonTwoIndexAntiSymmetricImplD> WilsonTwoIndexAntiSymmetricFermionD;
 
 // Twisted mass fermion
-typedef WilsonTMFermion<WilsonImplR> WilsonTMFermionR;
+typedef WilsonTMFermion<WilsonImplD2> WilsonTMFermionD2;
 typedef WilsonTMFermion<WilsonImplF> WilsonTMFermionF;
 typedef WilsonTMFermion<WilsonImplD> WilsonTMFermionD;
 
@@ -141,23 +135,20 @@ typedef WilsonTMFermion<WilsonImplD> WilsonTMFermionD;
 template <typename WImpl> using WilsonClover = WilsonCloverFermion<WImpl, CloverHelpers<WImpl>>;
 template <typename WImpl> using WilsonExpClover = WilsonCloverFermion<WImpl, ExpCloverHelpers<WImpl>>;
 
-typedef WilsonClover<WilsonImplR> WilsonCloverFermionR;
+typedef WilsonClover<WilsonImplD2> WilsonCloverFermionD2;
 typedef WilsonClover<WilsonImplF> WilsonCloverFermionF;
 typedef WilsonClover<WilsonImplD> WilsonCloverFermionD;
 
-typedef WilsonExpClover<WilsonImplR> WilsonExpCloverFermionR;
+typedef WilsonExpClover<WilsonImplD2> WilsonExpCloverFermionD2;
 typedef WilsonExpClover<WilsonImplF> WilsonExpCloverFermionF;
 typedef WilsonExpClover<WilsonImplD> WilsonExpCloverFermionD;
 
-typedef WilsonClover<WilsonAdjImplR> WilsonCloverAdjFermionR;
 typedef WilsonClover<WilsonAdjImplF> WilsonCloverAdjFermionF;
 typedef WilsonClover<WilsonAdjImplD> WilsonCloverAdjFermionD;
 
-typedef WilsonClover<WilsonTwoIndexSymmetricImplR> WilsonCloverTwoIndexSymmetricFermionR;
 typedef WilsonClover<WilsonTwoIndexSymmetricImplF> WilsonCloverTwoIndexSymmetricFermionF;
 typedef WilsonClover<WilsonTwoIndexSymmetricImplD> WilsonCloverTwoIndexSymmetricFermionD;
 
-typedef WilsonClover<WilsonTwoIndexAntiSymmetricImplR> WilsonCloverTwoIndexAntiSymmetricFermionR;
 typedef WilsonClover<WilsonTwoIndexAntiSymmetricImplF> WilsonCloverTwoIndexAntiSymmetricFermionF;
 typedef WilsonClover<WilsonTwoIndexAntiSymmetricImplD> WilsonCloverTwoIndexAntiSymmetricFermionD;
 
@@ -165,161 +156,108 @@ typedef WilsonClover<WilsonTwoIndexAntiSymmetricImplD> WilsonCloverTwoIndexAntiS
 template <typename WImpl> using CompactWilsonClover = CompactWilsonCloverFermion<WImpl, CompactCloverHelpers<WImpl>>;
 template <typename WImpl> using CompactWilsonExpClover = CompactWilsonCloverFermion<WImpl, CompactExpCloverHelpers<WImpl>>;
 
-typedef CompactWilsonClover<WilsonImplR> CompactWilsonCloverFermionR;
+typedef CompactWilsonClover<WilsonImplD2> CompactWilsonCloverFermionD2;
 typedef CompactWilsonClover<WilsonImplF> CompactWilsonCloverFermionF;
 typedef CompactWilsonClover<WilsonImplD> CompactWilsonCloverFermionD;
 
-typedef CompactWilsonExpClover<WilsonImplR> CompactWilsonExpCloverFermionR;
+typedef CompactWilsonExpClover<WilsonImplD2> CompactWilsonExpCloverFermionD2;
 typedef CompactWilsonExpClover<WilsonImplF> CompactWilsonExpCloverFermionF;
 typedef CompactWilsonExpClover<WilsonImplD> CompactWilsonExpCloverFermionD;
 
-typedef CompactWilsonClover<WilsonAdjImplR> CompactWilsonCloverAdjFermionR;
 typedef CompactWilsonClover<WilsonAdjImplF> CompactWilsonCloverAdjFermionF;
 typedef CompactWilsonClover<WilsonAdjImplD> CompactWilsonCloverAdjFermionD;
 
-typedef CompactWilsonClover<WilsonTwoIndexSymmetricImplR> CompactWilsonCloverTwoIndexSymmetricFermionR;
 typedef CompactWilsonClover<WilsonTwoIndexSymmetricImplF> CompactWilsonCloverTwoIndexSymmetricFermionF;
 typedef CompactWilsonClover<WilsonTwoIndexSymmetricImplD> CompactWilsonCloverTwoIndexSymmetricFermionD;
 
-typedef CompactWilsonClover<WilsonTwoIndexAntiSymmetricImplR> CompactWilsonCloverTwoIndexAntiSymmetricFermionR;
 typedef CompactWilsonClover<WilsonTwoIndexAntiSymmetricImplF> CompactWilsonCloverTwoIndexAntiSymmetricFermionF;
 typedef CompactWilsonClover<WilsonTwoIndexAntiSymmetricImplD> CompactWilsonCloverTwoIndexAntiSymmetricFermionD;
 
 // Domain Wall fermions
-typedef DomainWallFermion<WilsonImplR> DomainWallFermionR;
 typedef DomainWallFermion<WilsonImplF> DomainWallFermionF;
 typedef DomainWallFermion<WilsonImplD> DomainWallFermionD;
+typedef DomainWallFermion<WilsonImplD2> DomainWallFermionD2;
 
-//typedef DomainWallFermion<WilsonImplRL> DomainWallFermionRL;
-//typedef DomainWallFermion<WilsonImplFH> DomainWallFermionFH;
-//typedef DomainWallFermion<WilsonImplDF> DomainWallFermionDF;
-
-typedef DomainWallEOFAFermion<WilsonImplR> DomainWallEOFAFermionR;
+typedef DomainWallEOFAFermion<WilsonImplD2> DomainWallEOFAFermionD2;
 typedef DomainWallEOFAFermion<WilsonImplF> DomainWallEOFAFermionF;
 typedef DomainWallEOFAFermion<WilsonImplD> DomainWallEOFAFermionD;
 
-//typedef DomainWallEOFAFermion<WilsonImplRL> DomainWallEOFAFermionRL;
-//typedef DomainWallEOFAFermion<WilsonImplFH> DomainWallEOFAFermionFH;
-//typedef DomainWallEOFAFermion<WilsonImplDF> DomainWallEOFAFermionDF;
-
-typedef MobiusFermion<WilsonImplR> MobiusFermionR;
+typedef MobiusFermion<WilsonImplD2> MobiusFermionD2;
 typedef MobiusFermion<WilsonImplF> MobiusFermionF;
 typedef MobiusFermion<WilsonImplD> MobiusFermionD;
 
-//typedef MobiusFermion<WilsonImplRL> MobiusFermionRL;
-//typedef MobiusFermion<WilsonImplFH> MobiusFermionFH;
-//typedef MobiusFermion<WilsonImplDF> MobiusFermionDF;
-
-typedef MobiusEOFAFermion<WilsonImplR> MobiusEOFAFermionR;
+typedef MobiusEOFAFermion<WilsonImplD2> MobiusEOFAFermionD2;
 typedef MobiusEOFAFermion<WilsonImplF> MobiusEOFAFermionF;
 typedef MobiusEOFAFermion<WilsonImplD> MobiusEOFAFermionD;
 
-//typedef MobiusEOFAFermion<WilsonImplRL> MobiusEOFAFermionRL;
-//typedef MobiusEOFAFermion<WilsonImplFH> MobiusEOFAFermionFH;
-//typedef MobiusEOFAFermion<WilsonImplDF> MobiusEOFAFermionDF;
-
-typedef ZMobiusFermion<ZWilsonImplR> ZMobiusFermionR;
+typedef ZMobiusFermion<ZWilsonImplD2> ZMobiusFermionD2;
 typedef ZMobiusFermion<ZWilsonImplF> ZMobiusFermionF;
 typedef ZMobiusFermion<ZWilsonImplD> ZMobiusFermionD;
 
-//typedef ZMobiusFermion<ZWilsonImplRL> ZMobiusFermionRL;
-//typedef ZMobiusFermion<ZWilsonImplFH> ZMobiusFermionFH;
-//typedef ZMobiusFermion<ZWilsonImplDF> ZMobiusFermionDF;
-
-// Ls vectorised
-typedef ScaledShamirFermion<WilsonImplR> ScaledShamirFermionR;
+typedef ScaledShamirFermion<WilsonImplD2> ScaledShamirFermionD2;
 typedef ScaledShamirFermion<WilsonImplF> ScaledShamirFermionF;
 typedef ScaledShamirFermion<WilsonImplD> ScaledShamirFermionD;
 
-typedef MobiusZolotarevFermion<WilsonImplR> MobiusZolotarevFermionR;
+typedef MobiusZolotarevFermion<WilsonImplD2> MobiusZolotarevFermionD2;
 typedef MobiusZolotarevFermion<WilsonImplF> MobiusZolotarevFermionF;
 typedef MobiusZolotarevFermion<WilsonImplD> MobiusZolotarevFermionD;
-typedef ShamirZolotarevFermion<WilsonImplR> ShamirZolotarevFermionR;
+typedef ShamirZolotarevFermion<WilsonImplD2> ShamirZolotarevFermionD2;
 typedef ShamirZolotarevFermion<WilsonImplF> ShamirZolotarevFermionF;
 typedef ShamirZolotarevFermion<WilsonImplD> ShamirZolotarevFermionD;
 
-typedef OverlapWilsonCayleyTanhFermion<WilsonImplR> OverlapWilsonCayleyTanhFermionR;
+typedef OverlapWilsonCayleyTanhFermion<WilsonImplD2> OverlapWilsonCayleyTanhFermionD2;
 typedef OverlapWilsonCayleyTanhFermion<WilsonImplF> OverlapWilsonCayleyTanhFermionF;
 typedef OverlapWilsonCayleyTanhFermion<WilsonImplD> OverlapWilsonCayleyTanhFermionD;
-typedef OverlapWilsonCayleyZolotarevFermion<WilsonImplR> OverlapWilsonCayleyZolotarevFermionR;
+typedef OverlapWilsonCayleyZolotarevFermion<WilsonImplD2> OverlapWilsonCayleyZolotarevFermionD2;
 typedef OverlapWilsonCayleyZolotarevFermion<WilsonImplF> OverlapWilsonCayleyZolotarevFermionF;
 typedef OverlapWilsonCayleyZolotarevFermion<WilsonImplD> OverlapWilsonCayleyZolotarevFermionD;
 
 // Continued fraction
-typedef OverlapWilsonContFracTanhFermion<WilsonImplR> OverlapWilsonContFracTanhFermionR;
+typedef OverlapWilsonContFracTanhFermion<WilsonImplD2> OverlapWilsonContFracTanhFermionD2;
 typedef OverlapWilsonContFracTanhFermion<WilsonImplF> OverlapWilsonContFracTanhFermionF;
 typedef OverlapWilsonContFracTanhFermion<WilsonImplD> OverlapWilsonContFracTanhFermionD;
-typedef OverlapWilsonContFracZolotarevFermion<WilsonImplR> OverlapWilsonContFracZolotarevFermionR;
+typedef OverlapWilsonContFracZolotarevFermion<WilsonImplD2> OverlapWilsonContFracZolotarevFermionD2;
 typedef OverlapWilsonContFracZolotarevFermion<WilsonImplF> OverlapWilsonContFracZolotarevFermionF;
 typedef OverlapWilsonContFracZolotarevFermion<WilsonImplD> OverlapWilsonContFracZolotarevFermionD;
 
 // Partial fraction
-typedef OverlapWilsonPartialFractionTanhFermion<WilsonImplR> OverlapWilsonPartialFractionTanhFermionR;
+typedef OverlapWilsonPartialFractionTanhFermion<WilsonImplD2> OverlapWilsonPartialFractionTanhFermionD2;
 typedef OverlapWilsonPartialFractionTanhFermion<WilsonImplF> OverlapWilsonPartialFractionTanhFermionF;
 typedef OverlapWilsonPartialFractionTanhFermion<WilsonImplD> OverlapWilsonPartialFractionTanhFermionD;
 
-typedef OverlapWilsonPartialFractionZolotarevFermion<WilsonImplR> OverlapWilsonPartialFractionZolotarevFermionR;
+typedef OverlapWilsonPartialFractionZolotarevFermion<WilsonImplD2> OverlapWilsonPartialFractionZolotarevFermionD2;
 typedef OverlapWilsonPartialFractionZolotarevFermion<WilsonImplF> OverlapWilsonPartialFractionZolotarevFermionF;
 typedef OverlapWilsonPartialFractionZolotarevFermion<WilsonImplD> OverlapWilsonPartialFractionZolotarevFermionD;
 
 // Gparity cases; partial list until tested
-typedef WilsonFermion<GparityWilsonImplR>     GparityWilsonFermionR;
 typedef WilsonFermion<GparityWilsonImplF>     GparityWilsonFermionF;
 typedef WilsonFermion<GparityWilsonImplD>     GparityWilsonFermionD;
 
-//typedef WilsonFermion<GparityWilsonImplRL>     GparityWilsonFermionRL;
-//typedef WilsonFermion<GparityWilsonImplFH>     GparityWilsonFermionFH;
-//typedef WilsonFermion<GparityWilsonImplDF>     GparityWilsonFermionDF;
-
-typedef DomainWallFermion<GparityWilsonImplR> GparityDomainWallFermionR;
 typedef DomainWallFermion<GparityWilsonImplF> GparityDomainWallFermionF;
 typedef DomainWallFermion<GparityWilsonImplD> GparityDomainWallFermionD;
 
-//typedef DomainWallFermion<GparityWilsonImplRL> GparityDomainWallFermionRL;
-//typedef DomainWallFermion<GparityWilsonImplFH> GparityDomainWallFermionFH;
-//typedef DomainWallFermion<GparityWilsonImplDF> GparityDomainWallFermionDF;
-
-typedef DomainWallEOFAFermion<GparityWilsonImplR> GparityDomainWallEOFAFermionR;
+typedef DomainWallEOFAFermion<GparityWilsonImplR> GparityDomainWallEOFAFermionD2;
 typedef DomainWallEOFAFermion<GparityWilsonImplF> GparityDomainWallEOFAFermionF;
 typedef DomainWallEOFAFermion<GparityWilsonImplD> GparityDomainWallEOFAFermionD;
 
-//typedef DomainWallEOFAFermion<GparityWilsonImplRL> GparityDomainWallEOFAFermionRL;
-//typedef DomainWallEOFAFermion<GparityWilsonImplFH> GparityDomainWallEOFAFermionFH;
-//typedef DomainWallEOFAFermion<GparityWilsonImplDF> GparityDomainWallEOFAFermionDF;
-
-typedef WilsonTMFermion<GparityWilsonImplR> GparityWilsonTMFermionR;
+typedef WilsonTMFermion<GparityWilsonImplR> GparityWilsonTMFermionD2;
 typedef WilsonTMFermion<GparityWilsonImplF> GparityWilsonTMFermionF;
 typedef WilsonTMFermion<GparityWilsonImplD> GparityWilsonTMFermionD;
 
-//typedef WilsonTMFermion<GparityWilsonImplRL> GparityWilsonTMFermionRL;
-//typedef WilsonTMFermion<GparityWilsonImplFH> GparityWilsonTMFermionFH;
-//typedef WilsonTMFermion<GparityWilsonImplDF> GparityWilsonTMFermionDF;
-
-typedef MobiusFermion<GparityWilsonImplR> GparityMobiusFermionR;
+typedef MobiusFermion<GparityWilsonImplR> GparityMobiusFermionD2;
 typedef MobiusFermion<GparityWilsonImplF> GparityMobiusFermionF;
 typedef MobiusFermion<GparityWilsonImplD> GparityMobiusFermionD;
 
-//typedef MobiusFermion<GparityWilsonImplRL> GparityMobiusFermionRL;
-//typedef MobiusFermion<GparityWilsonImplFH> GparityMobiusFermionFH;
-//typedef MobiusFermion<GparityWilsonImplDF> GparityMobiusFermionDF;
-
-typedef MobiusEOFAFermion<GparityWilsonImplR> GparityMobiusEOFAFermionR;
+typedef MobiusEOFAFermion<GparityWilsonImplR> GparityMobiusEOFAFermionD2;
 typedef MobiusEOFAFermion<GparityWilsonImplF> GparityMobiusEOFAFermionF;
 typedef MobiusEOFAFermion<GparityWilsonImplD> GparityMobiusEOFAFermionD;
 
-//typedef MobiusEOFAFermion<GparityWilsonImplRL> GparityMobiusEOFAFermionRL;
-//typedef MobiusEOFAFermion<GparityWilsonImplFH> GparityMobiusEOFAFermionFH;
-//typedef MobiusEOFAFermion<GparityWilsonImplDF> GparityMobiusEOFAFermionDF;
-
-typedef ImprovedStaggeredFermion<StaggeredImplR> ImprovedStaggeredFermionR;
 typedef ImprovedStaggeredFermion<StaggeredImplF> ImprovedStaggeredFermionF;
 typedef ImprovedStaggeredFermion<StaggeredImplD> ImprovedStaggeredFermionD;
 
-typedef NaiveStaggeredFermion<StaggeredImplR> NaiveStaggeredFermionR;
 typedef NaiveStaggeredFermion<StaggeredImplF> NaiveStaggeredFermionF;
 typedef NaiveStaggeredFermion<StaggeredImplD> NaiveStaggeredFermionD;
 
-typedef ImprovedStaggeredFermion5D<StaggeredImplR> ImprovedStaggeredFermion5DR;
 typedef ImprovedStaggeredFermion5D<StaggeredImplF> ImprovedStaggeredFermion5DF;
 typedef ImprovedStaggeredFermion5D<StaggeredImplD> ImprovedStaggeredFermion5DD;
 

Grid/qcd/action/fermion/ImprovedStaggeredFermion.h

@@ -47,18 +47,6 @@ public:
   FermionField _tmp;
   FermionField &tmp(void) { return _tmp; }
 
-  ////////////////////////////////////////
-  // Performance monitoring
-  ////////////////////////////////////////
-  void Report(void);
-  void ZeroCounters(void);
-  double DhopTotalTime;
-  double DhopCalls;
-  double DhopCommTime;
-  double DhopComputeTime;
-  double DhopComputeTime2;
-  double DhopFaceTime;
-
   ///////////////////////////////////////////////////////////////
   // Implement the abstract base
   ///////////////////////////////////////////////////////////////

Grid/qcd/action/fermion/ImprovedStaggeredFermion5D.h

@@ -52,18 +52,6 @@ public:
   FermionField _tmp;
   FermionField &tmp(void) { return _tmp; }
 
-  ////////////////////////////////////////
-  // Performance monitoring
-  ////////////////////////////////////////
-  void Report(void);
-  void ZeroCounters(void);
-  double DhopTotalTime;
-  double DhopCalls;
-  double DhopCommTime;
-  double DhopComputeTime;
-  double DhopComputeTime2;
-  double DhopFaceTime;
-
   ///////////////////////////////////////////////////////////////
   // Implement the abstract base
   ///////////////////////////////////////////////////////////////

Grid/qcd/action/fermion/NaiveStaggeredFermion.h

@@ -47,18 +47,6 @@ public:
   FermionField _tmp;
   FermionField &tmp(void) { return _tmp; }
 
-  ////////////////////////////////////////
-  // Performance monitoring
-  ////////////////////////////////////////
-  void Report(void);
-  void ZeroCounters(void);
-  double DhopTotalTime;
-  double DhopCalls;
-  double DhopCommTime;
-  double DhopComputeTime;
-  double DhopComputeTime2;
-  double DhopFaceTime;
-
   ///////////////////////////////////////////////////////////////
   // Implement the abstract base
   ///////////////////////////////////////////////////////////////

Grid/qcd/action/fermion/WilsonCompressor.h

@@ -32,17 +32,218 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
 
 NAMESPACE_BEGIN(Grid);
 
+///////////////////////////////////////////////////////////////
+// Wilson compressor will need FaceGather policies for:
+// Periodic, Dirichlet, and partial Dirichlet for DWF
+///////////////////////////////////////////////////////////////
+const int dwf_compressor_depth=1;
+#define DWF_COMPRESS
+class FaceGatherPartialDWF
+{
+public:
+#ifdef DWF_COMPRESS
+  static int PartialCompressionFactor(GridBase *grid) {return grid->_fdimensions[0]/(2*dwf_compressor_depth);};
+#else
+  static int PartialCompressionFactor(GridBase *grid) { return 1;}
+#endif
+  template<class vobj,class cobj,class compressor>
+  static void Gather_plane_simple (commVector<std::pair<int,int> >& table,
+				   const Lattice<vobj> &rhs,
+				   cobj *buffer,
+				   compressor &compress,
+				   int off,int so,int partial)
+  {
+    //DWF only hack: If a direction that is OFF node we use Partial Dirichlet
+    //  Shrinks local and remote comms buffers
+    GridBase *Grid = rhs.Grid();
+    int Ls = Grid->_rdimensions[0];
+#ifdef DWF_COMPRESS
+    int depth=dwf_compressor_depth;
+#else 
+    int depth=Ls/2;
+#endif
+    std::pair<int,int> *table_v = & table[0];
+    auto rhs_v = rhs.View(AcceleratorRead);
+    int vol=table.size()/Ls;
+    accelerator_forNB( idx,table.size(), vobj::Nsimd(), {
+	Integer i=idx/Ls;
+	Integer s=idx%Ls;
+	Integer sc=depth+s-(Ls-depth);
+	if(s<depth)     compress.Compress(buffer[off+i+s*vol],rhs_v[so+table_v[idx].second]);
+	if(s>=Ls-depth) compress.Compress(buffer[off+i+sc*vol],rhs_v[so+table_v[idx].second]);
+    });
+    rhs_v.ViewClose();
+  }
+  template<class decompressor,class Decompression>
+  static void DecompressFace(decompressor decompress,Decompression &dd)
+  {
+    auto Ls = dd.dims[0];
+#ifdef DWF_COMPRESS
+    int depth=dwf_compressor_depth;
+#else
+    int depth=Ls/2;
+#endif    
+    // Just pass in the Grid
+    auto kp = dd.kernel_p;
+    auto mp = dd.mpi_p;
+    int size= dd.buffer_size;
+    int vol= size/Ls;
+    accelerator_forNB(o,size,1,{
+	int idx=o/Ls;
+	int   s=o%Ls;
+	if ( s < depth ) {
+	  int oo=s*vol+idx;
+	  kp[o]=mp[oo];
+	} else if ( s >= Ls-depth ) {
+	  int sc = depth + s - (Ls-depth);
+	  int oo=sc*vol+idx; 
+	  kp[o]=mp[oo];
+	} else {
+	  kp[o] = Zero();//fill rest with zero if partial dirichlet
+	}
+    });
+  }
+  ////////////////////////////////////////////////////////////////////////////////////////////
+  // Need to gather *interior portions* for ALL s-slices in simd directions
+  // Do the gather as need to treat SIMD lanes differently, and insert zeroes on receive side
+  // Reorder the fifth dim to be s=Ls-1 , s=0, s=1,...,Ls-2.
+  ////////////////////////////////////////////////////////////////////////////////////////////
+  template<class vobj,class cobj,class compressor>
+  static void Gather_plane_exchange(commVector<std::pair<int,int> >& table,const Lattice<vobj> &rhs,
+				    Vector<cobj *> pointers,int dimension,int plane,int cbmask,
+				    compressor &compress,int type,int partial)
+  {
+    GridBase *Grid = rhs.Grid();
+    int Ls = Grid->_rdimensions[0];
+#ifdef DWF_COMPRESS
+    int depth=dwf_compressor_depth;
+#else
+    int depth = Ls/2;
+#endif
+    
+    // insertion of zeroes...
+    assert( (table.size()&0x1)==0);
+    int num=table.size()/2;
+    int so  = plane*rhs.Grid()->_ostride[dimension]; // base offset for start of plane
+    
+    auto rhs_v = rhs.View(AcceleratorRead);
+    auto p0=&pointers[0][0];
+    auto p1=&pointers[1][0];
+    auto tp=&table[0];
+    int nnum=num/Ls;
+    accelerator_forNB(j, num, vobj::Nsimd(), {
+	//  Reorders both local and remote comms buffers
+	//  
+	int s  = j % Ls;
+	int sp1 = (s+depth)%Ls;  // peri incremented s slice
+	
+	int hxyz= j/Ls;
+
+	int xyz0= hxyz*2; // xyzt part of coor
+	int xyz1= hxyz*2+1;
+	
+	int jj= hxyz + sp1*nnum ; // 0,1,2,3 -> Ls-1 slice , 0-slice, 1-slice ....
+	
+	int kk0= xyz0*Ls + s ; // s=0 goes to s=1
+	int kk1= xyz1*Ls + s ; // s=Ls-1 -> s=0
+	compress.CompressExchange(p0[jj],p1[jj],
+				  rhs_v[so+tp[kk0 ].second], // Same s, consecutive xyz sites
+				  rhs_v[so+tp[kk1 ].second], 
+				  type);
+    });
+    rhs_v.ViewClose();
+  }
+  // Merge routine is for SIMD faces
+  template<class decompressor,class Merger>
+  static void MergeFace(decompressor decompress,Merger &mm)
+  {
+    auto Ls = mm.dims[0];
+#ifdef DWF_COMPRESS
+    int depth=dwf_compressor_depth;
+#else
+    int depth = Ls/2;
+#endif
+    int  num= mm.buffer_size/2; // relate vol and Ls to buffer size
+    auto mp = &mm.mpointer[0];
+    auto vp0= &mm.vpointers[0][0]; // First arg is exchange first
+    auto vp1= &mm.vpointers[1][0];
+    auto type= mm.type;
+    int nnum = num/Ls;
+    accelerator_forNB(o,num,Merger::Nsimd,{
+
+	int  s=o%Ls;
+	int hxyz=o/Ls; // xyzt related component
+	int xyz0=hxyz*2;
+	int xyz1=hxyz*2+1;
+
+	int sp = (s+depth)%Ls; 
+	int jj= hxyz + sp*nnum ; // 0,1,2,3 -> Ls-1 slice , 0-slice, 1-slice ....
+
+	int oo0= s+xyz0*Ls;
+	int oo1= s+xyz1*Ls;
+
+	// same ss0, ss1 pair goes to new layout
+	decompress.Exchange(mp[oo0],mp[oo1],vp0[jj],vp1[jj],type);
+      });
+  }
+};
+class FaceGatherDWFMixedBCs
+{
+public:
+#ifdef DWF_COMPRESS
+  static int PartialCompressionFactor(GridBase *grid) {return grid->_fdimensions[0]/(2*dwf_compressor_depth);};
+#else 
+  static int PartialCompressionFactor(GridBase *grid) {return 1;}
+#endif
+  
+  template<class vobj,class cobj,class compressor>
+  static void Gather_plane_simple (commVector<std::pair<int,int> >& table,
+					 const Lattice<vobj> &rhs,
+					 cobj *buffer,
+					 compressor &compress,
+					 int off,int so,int partial)
+  {
+    //    std::cout << " face gather simple DWF partial "<<partial <<std::endl;
+    if(partial) FaceGatherPartialDWF::Gather_plane_simple(table,rhs,buffer,compress,off,so,partial);
+    else        FaceGatherSimple::Gather_plane_simple(table,rhs,buffer,compress,off,so,partial);
+  }
+  template<class vobj,class cobj,class compressor>
+  static void Gather_plane_exchange(commVector<std::pair<int,int> >& table,const Lattice<vobj> &rhs,
+				    Vector<cobj *> pointers,int dimension,int plane,int cbmask,
+				    compressor &compress,int type,int partial)
+  {
+    //    std::cout << " face gather exch DWF partial "<<partial <<std::endl;
+    if(partial) FaceGatherPartialDWF::Gather_plane_exchange(table,rhs,pointers,dimension, plane,cbmask,compress,type,partial);
+    else        FaceGatherSimple::Gather_plane_exchange    (table,rhs,pointers,dimension, plane,cbmask,compress,type,partial);
+  }
+  template<class decompressor,class Merger>
+  static void MergeFace(decompressor decompress,Merger &mm)
+  {
+    int partial = mm.partial;
+    //    std::cout << " merge DWF partial "<<partial <<std::endl;
+    if ( partial ) FaceGatherPartialDWF::MergeFace(decompress,mm);
+    else           FaceGatherSimple::MergeFace(decompress,mm);
+  }
+
+  template<class decompressor,class Decompression>
+  static void DecompressFace(decompressor decompress,Decompression &dd)
+  {
+    int partial = dd.partial;
+    //    std::cout << " decompress DWF partial "<<partial <<std::endl;
+    if ( partial ) FaceGatherPartialDWF::DecompressFace(decompress,dd);
+    else           FaceGatherSimple::DecompressFace(decompress,dd);
+  }
+};
+
 /////////////////////////////////////////////////////////////////////////////////////////////
-// optimised versions supporting half precision too
+// optimised versions supporting half precision too??? Deprecate
 /////////////////////////////////////////////////////////////////////////////////////////////
 
-template<class _HCspinor,class _Hspinor,class _Spinor, class projector,typename SFINAE = void >
-class WilsonCompressorTemplate;
-
 
+//Could make FaceGather a template param, but then behaviour is runtime not compile time
 template<class _HCspinor,class _Hspinor,class _Spinor, class projector>
-class WilsonCompressorTemplate< _HCspinor, _Hspinor, _Spinor, projector,
-				typename std::enable_if<std::is_same<_HCspinor,_Hspinor>::value>::type >
+class WilsonCompressorTemplate  : public FaceGatherDWFMixedBCs
+//  : public FaceGatherSimple
 {
 public:
   
@@ -79,172 +280,81 @@ public:
   /*****************************************************/
   /* Exchange includes precision change if mpi data is not same */
   /*****************************************************/
-  accelerator_inline void Exchange(SiteHalfSpinor *mp,
-				   const SiteHalfSpinor * __restrict__ vp0,
-				   const SiteHalfSpinor * __restrict__ vp1,
-				   Integer type,Integer o) const {
+  accelerator_inline void Exchange(SiteHalfSpinor &mp0,
+				   SiteHalfSpinor &mp1,
+				   const SiteHalfSpinor & vp0,
+				   const SiteHalfSpinor & vp1,
+				   Integer type) const {
 #ifdef GRID_SIMT
-    exchangeSIMT(mp[2*o],mp[2*o+1],vp0[o],vp1[o],type);
+    exchangeSIMT(mp0,mp1,vp0,vp1,type);
 #else
     SiteHalfSpinor tmp1;
     SiteHalfSpinor tmp2;
-    exchange(tmp1,tmp2,vp0[o],vp1[o],type);
-    vstream(mp[2*o  ],tmp1);
-    vstream(mp[2*o+1],tmp2);
+    exchange(tmp1,tmp2,vp0,vp1,type);
+    vstream(mp0,tmp1);
+    vstream(mp1,tmp2);
 #endif
   }
-
+  
 
   /*****************************************************/
   /* Have a decompression step if mpi data is not same */
   /*****************************************************/
-  accelerator_inline void Decompress(SiteHalfSpinor * __restrict__ out,
-				     SiteHalfSpinor * __restrict__ in, Integer o) const {    
-    assert(0);
+  accelerator_inline void Decompress(SiteHalfSpinor &out,
+				     SiteHalfSpinor &in) const {    
+    out = in;
   }
 
   /*****************************************************/
   /* Compress Exchange                                 */
   /*****************************************************/
-  accelerator_inline void CompressExchange(SiteHalfSpinor * __restrict__ out0,
-					   SiteHalfSpinor * __restrict__ out1,
-					   const SiteSpinor * __restrict__ in,
-					   Integer j,Integer k, Integer m,Integer type) const
+  accelerator_inline void CompressExchange(SiteHalfSpinor &out0,
+					   SiteHalfSpinor &out1,
+					   const SiteSpinor &in0,
+					   const SiteSpinor &in1,
+					   Integer type) const
   {
 #ifdef GRID_SIMT
     typedef SiteSpinor vobj;
     typedef SiteHalfSpinor hvobj;
-    typedef decltype(coalescedRead(*in))    sobj;
-    typedef decltype(coalescedRead(*out0)) hsobj;
+    typedef decltype(coalescedRead(in0))    sobj;
+    typedef decltype(coalescedRead(out0)) hsobj;
 
     unsigned int Nsimd = vobj::Nsimd();
     unsigned int mask = Nsimd >> (type + 1);
     int lane = acceleratorSIMTlane(Nsimd);
     int j0 = lane &(~mask); // inner coor zero
     int j1 = lane |(mask) ; // inner coor one
-    const vobj *vp0 = &in[k];
-    const vobj *vp1 = &in[m];
+    const vobj *vp0 = &in0;
+    const vobj *vp1 = &in1;
     const vobj *vp = (lane&mask) ? vp1:vp0;
     auto sa = coalescedRead(*vp,j0);
     auto sb = coalescedRead(*vp,j1);
     hsobj psa, psb;
     projector::Proj(psa,sa,mu,dag);
     projector::Proj(psb,sb,mu,dag);
-    coalescedWrite(out0[j],psa);
-    coalescedWrite(out1[j],psb);
+    coalescedWrite(out0,psa);
+    coalescedWrite(out1,psb);
 #else
     SiteHalfSpinor temp1, temp2;
     SiteHalfSpinor temp3, temp4;
-    projector::Proj(temp1,in[k],mu,dag);
-    projector::Proj(temp2,in[m],mu,dag);
+    projector::Proj(temp1,in0,mu,dag);
+    projector::Proj(temp2,in1,mu,dag);
     exchange(temp3,temp4,temp1,temp2,type);
-    vstream(out0[j],temp3);
-    vstream(out1[j],temp4);
+    vstream(out0,temp3);
+    vstream(out1,temp4);
 #endif
   }
 
   /*****************************************************/
   /* Pass the info to the stencil */
   /*****************************************************/
-  accelerator_inline bool DecompressionStep(void) const { return false; }
+  accelerator_inline bool DecompressionStep(void) const {
+    return false;
+  }
 
 };
 
-#if 0
-template<class _HCspinor,class _Hspinor,class _Spinor, class projector>
-class WilsonCompressorTemplate< _HCspinor, _Hspinor, _Spinor, projector,
-				typename std::enable_if<!std::is_same<_HCspinor,_Hspinor>::value>::type >
-{
-public:
-  
-  int mu,dag;  
-
-  void Point(int p) { mu=p; };
-
-  WilsonCompressorTemplate(int _dag=0){
-    dag = _dag;
-  }
-
-  typedef _Spinor         SiteSpinor;
-  typedef _Hspinor     SiteHalfSpinor;
-  typedef _HCspinor SiteHalfCommSpinor;
-  typedef typename SiteHalfCommSpinor::vector_type vComplexLow;
-  typedef typename SiteHalfSpinor::vector_type     vComplexHigh;
-  constexpr static int Nw=sizeof(SiteHalfSpinor)/sizeof(vComplexHigh);
-
-  accelerator_inline int CommDatumSize(void) const {
-    return sizeof(SiteHalfCommSpinor);
-  }
-
-  /*****************************************************/
-  /* Compress includes precision change if mpi data is not same */
-  /*****************************************************/
-  accelerator_inline void Compress(SiteHalfSpinor &buf,const SiteSpinor &in) const {
-    SiteHalfSpinor hsp;
-    SiteHalfCommSpinor *hbuf = (SiteHalfCommSpinor *)buf;
-    projector::Proj(hsp,in,mu,dag);
-    precisionChange((vComplexLow *)&hbuf[o],(vComplexHigh *)&hsp,Nw);
-  }
-  accelerator_inline void Compress(SiteHalfSpinor &buf,const SiteSpinor &in) const {
-#ifdef GRID_SIMT
-    typedef decltype(coalescedRead(buf)) sobj;
-    sobj sp;
-    auto sin = coalescedRead(in);
-    projector::Proj(sp,sin,mu,dag);
-    coalescedWrite(buf,sp);
-#else
-    projector::Proj(buf,in,mu,dag);
-#endif
-  }
-
-  /*****************************************************/
-  /* Exchange includes precision change if mpi data is not same */
-  /*****************************************************/
-  accelerator_inline void Exchange(SiteHalfSpinor *mp,
-                       SiteHalfSpinor *vp0,
-                       SiteHalfSpinor *vp1,
-		       Integer type,Integer o) const {
-    SiteHalfSpinor vt0,vt1;
-    SiteHalfCommSpinor *vpp0 = (SiteHalfCommSpinor *)vp0;
-    SiteHalfCommSpinor *vpp1 = (SiteHalfCommSpinor *)vp1;
-    precisionChange((vComplexHigh *)&vt0,(vComplexLow *)&vpp0[o],Nw);
-    precisionChange((vComplexHigh *)&vt1,(vComplexLow *)&vpp1[o],Nw);
-    exchange(mp[2*o],mp[2*o+1],vt0,vt1,type);
-  }
-
-  /*****************************************************/
-  /* Have a decompression step if mpi data is not same */
-  /*****************************************************/
-  accelerator_inline void Decompress(SiteHalfSpinor *out, SiteHalfSpinor *in, Integer o) const {
-    SiteHalfCommSpinor *hin=(SiteHalfCommSpinor *)in;
-    precisionChange((vComplexHigh *)&out[o],(vComplexLow *)&hin[o],Nw);
-  }
-
-  /*****************************************************/
-  /* Compress Exchange                                 */
-  /*****************************************************/
-  accelerator_inline void CompressExchange(SiteHalfSpinor *out0,
-			       SiteHalfSpinor *out1,
-			       const SiteSpinor *in,
-			       Integer j,Integer k, Integer m,Integer type) const {
-    SiteHalfSpinor temp1, temp2,temp3,temp4;
-    SiteHalfCommSpinor *hout0 = (SiteHalfCommSpinor *)out0;
-    SiteHalfCommSpinor *hout1 = (SiteHalfCommSpinor *)out1;
-    projector::Proj(temp1,in[k],mu,dag);
-    projector::Proj(temp2,in[m],mu,dag);
-    exchange(temp3,temp4,temp1,temp2,type);
-    precisionChange((vComplexLow *)&hout0[j],(vComplexHigh *)&temp3,Nw);
-    precisionChange((vComplexLow *)&hout1[j],(vComplexHigh *)&temp4,Nw);
-  }
-
-  /*****************************************************/
-  /* Pass the info to the stencil */
-  /*****************************************************/
-  accelerator_inline bool DecompressionStep(void) const { return true; }
-
-};
-#endif
-
 #define DECLARE_PROJ(Projector,Compressor,spProj)			\
   class Projector {							\
   public:								\
@@ -294,11 +404,7 @@ public:
   typedef typename Base::View_type View_type;
   typedef typename Base::StencilVector StencilVector;
 
-  void ZeroCountersi(void)  {  }
-  void Reporti(int calls)  {  }
-
   //  Vector<int> surface_list;
-
   WilsonStencil(GridBase *grid,
 		int npoints,
 		int checkerboard,
@@ -306,7 +412,6 @@ public:
 		const std::vector<int> &distances,Parameters p)  
     : CartesianStencil<vobj,cobj,Parameters> (grid,npoints,checkerboard,directions,distances,p) 
   { 
-    ZeroCountersi();
     //    surface_list.resize(0);
     this->same_node.resize(npoints);
   };
@@ -400,7 +505,6 @@ public:
     }
     this->face_table_computed=1;
     assert(this->u_comm_offset==this->_unified_buffer_size);
-    accelerator_barrier();
   }
 
 };

Grid/qcd/action/fermion/WilsonFermion.h

@@ -74,20 +74,6 @@ public:
   FermionField _tmp;
   FermionField &tmp(void) { return _tmp; }
 
-  void Report(void);
-  void ZeroCounters(void);
-  double DhopCalls;
-  double DhopCommTime;
-  double DhopComputeTime;
-  double DhopComputeTime2;
-  double DhopFaceTime;
-  double DhopTotalTime;
-
-  double DerivCalls;
-  double DerivCommTime;
-  double DerivComputeTime;
-  double DerivDhopComputeTime;
-
   //////////////////////////////////////////////////////////////////
   // override multiply; cut number routines if pass dagger argument
   // and also make interface more uniformly consistent

Grid/qcd/action/fermion/WilsonFermion5D.h

@@ -78,21 +78,6 @@ public:
   int Dirichlet;
   Coordinate Block; 
 
-  /********** Deprecate timers **********/
-  void Report(void);
-  void ZeroCounters(void);
-  double DhopCalls;
-  double DhopCommTime;
-  double DhopComputeTime;
-  double DhopComputeTime2;
-  double DhopFaceTime;
-  double DhopTotalTime;
-
-  double DerivCalls;
-  double DerivCommTime;
-  double DerivComputeTime;
-  double DerivDhopComputeTime;
-
   ///////////////////////////////////////////////////////////////
   // Implement the abstract base
   ///////////////////////////////////////////////////////////////

Grid/qcd/action/fermion/WilsonImpl.h

@@ -37,7 +37,7 @@ NAMESPACE_BEGIN(Grid);
 template <class S, class Representation = FundamentalRepresentation,class Options = CoeffReal >
 class WilsonImpl : public PeriodicGaugeImpl<GaugeImplTypes<S, Representation::Dimension > > {
 public:
-
+  
   static const int Dimension = Representation::Dimension;
   static const bool isFundamental = Representation::isFundamental;
   static const bool LsVectorised=false;
@@ -242,19 +242,13 @@ public:
 typedef WilsonImpl<vComplex,  FundamentalRepresentation, CoeffReal > WilsonImplR;  // Real.. whichever prec
 typedef WilsonImpl<vComplexF, FundamentalRepresentation, CoeffReal > WilsonImplF;  // Float
 typedef WilsonImpl<vComplexD, FundamentalRepresentation, CoeffReal > WilsonImplD;  // Double
-
-//typedef WilsonImpl<vComplex,  FundamentalRepresentation, CoeffRealHalfComms > WilsonImplRL;  // Real.. whichever prec
-//typedef WilsonImpl<vComplexF, FundamentalRepresentation, CoeffRealHalfComms > WilsonImplFH;  // Float
-//typedef WilsonImpl<vComplexD, FundamentalRepresentation, CoeffRealHalfComms > WilsonImplDF;  // Double
+typedef WilsonImpl<vComplexD2, FundamentalRepresentation, CoeffReal > WilsonImplD2;  // Double
 
 typedef WilsonImpl<vComplex,  FundamentalRepresentation, CoeffComplex > ZWilsonImplR; // Real.. whichever prec
 typedef WilsonImpl<vComplexF, FundamentalRepresentation, CoeffComplex > ZWilsonImplF; // Float
 typedef WilsonImpl<vComplexD, FundamentalRepresentation, CoeffComplex > ZWilsonImplD; // Double
+typedef WilsonImpl<vComplexD2, FundamentalRepresentation, CoeffComplex > ZWilsonImplD2; // Double
 
-//typedef WilsonImpl<vComplex,  FundamentalRepresentation, CoeffComplexHalfComms > ZWilsonImplRL; // Real.. whichever prec
-//typedef WilsonImpl<vComplexF, FundamentalRepresentation, CoeffComplexHalfComms > ZWilsonImplFH; // Float
-//typedef WilsonImpl<vComplexD, FundamentalRepresentation, CoeffComplexHalfComms > ZWilsonImplDF; // Double
- 
 typedef WilsonImpl<vComplex,  AdjointRepresentation, CoeffReal > WilsonAdjImplR;   // Real.. whichever prec
 typedef WilsonImpl<vComplexF, AdjointRepresentation, CoeffReal > WilsonAdjImplF;  // Float
 typedef WilsonImpl<vComplexD, AdjointRepresentation, CoeffReal > WilsonAdjImplD;  // Double

Grid/qcd/action/fermion/WilsonKernels.h

@@ -52,13 +52,6 @@ public:
   typedef AcceleratorVector<int,STENCIL_MAX> StencilVector;   
 public:
 
-#ifdef GRID_SYCL
-#define SYCL_HACK
-#endif  
-#ifdef SYCL_HACK
-  static void HandDhopSiteSycl(StencilVector st_perm,StencilEntry *st_p, SiteDoubledGaugeField *U,SiteHalfSpinor  *buf,
-			       int ss,int sU,const SiteSpinor *in, SiteSpinor *out);
-#endif
   
   static void DhopKernel(int Opt,StencilImpl &st,  DoubledGaugeField &U, SiteHalfSpinor * buf,
 			 int Ls, int Nsite, const FermionField &in, FermionField &out,

Grid/qcd/action/fermion/implementation/CayleyFermion5DImplementation.h

@@ -152,58 +152,6 @@ void CayleyFermion5D<Impl>::DminusDag(const FermionField &psi, FermionField &chi
   }
 }
 
-template<class Impl> void CayleyFermion5D<Impl>::CayleyReport(void)
-{
-  this->Report();
-  Coordinate latt = GridDefaultLatt();          
-  RealD volume = this->Ls;  for(int mu=0;mu<Nd;mu++) volume=volume*latt[mu];
-  RealD NP     = this->_FourDimGrid->_Nprocessors;
-  if ( M5Dcalls > 0 ) {
-    std::cout << GridLogMessage << "#### M5D calls report " << std::endl;
-    std::cout << GridLogMessage << "CayleyFermion5D Number of M5D Calls     : " << M5Dcalls   << std::endl;
-    std::cout << GridLogMessage << "CayleyFermion5D ComputeTime/Calls       : " << M5Dtime / M5Dcalls << " us" << std::endl;
-
-    // Flops = 10.0*(Nc*Ns) *Ls*vol
-    RealD mflops = 10.0*(Nc*Ns)*volume*M5Dcalls/M5Dtime/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-
-    // Bytes = sizeof(Real) * (Nc*Ns*Nreim) * Ls * vol * (read+write) (/2 for red black counting)
-    // read = 2 ( psi[ss+s+1] and psi[ss+s-1] count as 1 )
-    // write = 1
-    RealD Gbytes = sizeof(Real) * (Nc*Ns*2) * volume * 3 /2. * 1.e-9;
-    std::cout << GridLogMessage << "Average bandwidth (GB/s)                 : " << Gbytes/M5Dtime*M5Dcalls*1.e6 << std::endl;
-  }
-
-  if ( MooeeInvCalls > 0 ) {
-
-    std::cout << GridLogMessage << "#### MooeeInv calls report " << std::endl;
-    std::cout << GridLogMessage << "CayleyFermion5D Number of MooeeInv Calls     : " << MooeeInvCalls   << std::endl;
-    std::cout << GridLogMessage << "CayleyFermion5D ComputeTime/Calls            : " << MooeeInvTime / MooeeInvCalls << " us" << std::endl;
-#ifdef GRID_CUDA
-    RealD mflops = ( -16.*Nc*Ns+this->Ls*(1.+18.*Nc*Ns) )*volume*MooeeInvCalls/MooeeInvTime/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-#else
-    // Flops = MADD * Ls *Ls *4dvol * spin/colour/complex
-    RealD mflops = 2.0*24*this->Ls*volume*MooeeInvCalls/MooeeInvTime/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-#endif
-  }
-
-}
-template<class Impl> void CayleyFermion5D<Impl>::CayleyZeroCounters(void)
-{
-  this->ZeroCounters();
-  M5Dflops=0;
-  M5Dcalls=0;
-  M5Dtime=0;
-  MooeeInvFlops=0;
-  MooeeInvCalls=0;
-  MooeeInvTime=0;
-}
-
 template<class Impl>  
 void CayleyFermion5D<Impl>::M5D   (const FermionField &psi, FermionField &chi)
 {
@@ -646,7 +594,6 @@ void CayleyFermion5D<Impl>::ContractConservedCurrent( PropagatorField &q_in_1,
   assert(mass_plus == mass_minus);
   RealD mass = mass_plus;
   
-#if (!defined(GRID_HIP))
   Gamma::Algebra Gmu [] = {
     Gamma::Algebra::GammaX,
     Gamma::Algebra::GammaY,
@@ -765,7 +712,7 @@ void CayleyFermion5D<Impl>::ContractConservedCurrent( PropagatorField &q_in_1,
     else          q_out +=     C;
     
   }
-#endif
+
 }
 
 template <class Impl>
@@ -832,7 +779,6 @@ void CayleyFermion5D<Impl>::SeqConservedCurrent(PropagatorField &q_in,
   }
 #endif
 
-#if (!defined(GRID_HIP))
   int tshift = (mu == Nd-1) ? 1 : 0;
   unsigned int LLt    = GridDefaultLatt()[Tp];
   ////////////////////////////////////////////////
@@ -952,7 +898,6 @@ void CayleyFermion5D<Impl>::SeqConservedCurrent(PropagatorField &q_in,
 
     InsertSlice(L_Q, q_out, s , 0);
   }
-#endif
 }
 #undef Pp
 #undef Pm
@@ -960,88 +905,6 @@ void CayleyFermion5D<Impl>::SeqConservedCurrent(PropagatorField &q_in,
 #undef TopRowWithSource
 
 
-
-#if 0
-template<class Impl>
-void CayleyFermion5D<Impl>::MooeeInternalCompute(int dag, int inv,
-						 Vector<iSinglet<Simd> > & Matp,
-						 Vector<iSinglet<Simd> > & Matm)
-{
-  int Ls=this->Ls;
-
-  GridBase *grid = this->FermionRedBlackGrid();
-  int LLs = grid->_rdimensions[0];
-
-  if ( LLs == Ls ) {
-    return; // Not vectorised in 5th direction
-  }
-
-  Eigen::MatrixXcd Pplus  = Eigen::MatrixXcd::Zero(Ls,Ls);
-  Eigen::MatrixXcd Pminus = Eigen::MatrixXcd::Zero(Ls,Ls);
-  
-  for(int s=0;s<Ls;s++){
-    Pplus(s,s) = bee[s];
-    Pminus(s,s)= bee[s];
-  }
-  
-  for(int s=0;s<Ls-1;s++){
-    Pminus(s,s+1) = -cee[s];
-  }
-  
-  for(int s=0;s<Ls-1;s++){
-    Pplus(s+1,s) = -cee[s+1];
-  }
-  Pplus (0,Ls-1) = mass*cee[0];
-  Pminus(Ls-1,0) = mass*cee[Ls-1];
-  
-  Eigen::MatrixXcd PplusMat ;
-  Eigen::MatrixXcd PminusMat;
-  
-  if ( inv ) {
-    PplusMat =Pplus.inverse();
-    PminusMat=Pminus.inverse();
-  } else { 
-    PplusMat =Pplus;
-    PminusMat=Pminus;
-  }
-  
-  if(dag){
-    PplusMat.adjointInPlace();
-    PminusMat.adjointInPlace();
-  }
-  
-  typedef typename SiteHalfSpinor::scalar_type scalar_type;
-  const int Nsimd=Simd::Nsimd();
-  Matp.resize(Ls*LLs);
-  Matm.resize(Ls*LLs);
-
-  for(int s2=0;s2<Ls;s2++){
-    for(int s1=0;s1<LLs;s1++){
-      int istride = LLs;
-      int ostride = 1;
-      Simd Vp;
-      Simd Vm;
-      scalar_type *sp = (scalar_type *)&Vp;
-      scalar_type *sm = (scalar_type *)&Vm;
-      for(int l=0;l<Nsimd;l++){
-	if ( switcheroo<Coeff_t>::iscomplex() ) {
-	  sp[l] = PplusMat (l*istride+s1*ostride,s2);
-	  sm[l] = PminusMat(l*istride+s1*ostride,s2);
-	} else { 
-	  // if real
-	  scalar_type tmp;
-	  tmp = PplusMat (l*istride+s1*ostride,s2);
-	  sp[l] = scalar_type(tmp.real(),tmp.real());
-	  tmp = PminusMat(l*istride+s1*ostride,s2);
-	  sm[l] = scalar_type(tmp.real(),tmp.real());
-	}
-      }
-      Matp[LLs*s2+s1] = Vp;
-      Matm[LLs*s2+s1] = Vm;
-    }}
-}
-#endif
-
 NAMESPACE_END(Grid);
 
 

Grid/qcd/action/fermion/implementation/CayleyFermion5Dcache.h

@@ -63,9 +63,6 @@ CayleyFermion5D<Impl>::M5D(const FermionField &psi_i,
 
   // 10 = 3 complex mult + 2 complex add
   // Flops = 10.0*(Nc*Ns) *Ls*vol (/2 for red black counting)
-  M5Dcalls++;
-  M5Dtime-=usecond();
-
   uint64_t nloop = grid->oSites();
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t s = sss%Ls;
@@ -78,7 +75,6 @@ CayleyFermion5D<Impl>::M5D(const FermionField &psi_i,
     spProj5p(tmp2,psi(idx_l));
     coalescedWrite(chi[ss+s],pdiag[s]*phi(ss+s)+pupper[s]*tmp1+plower[s]*tmp2);
   });
-  M5Dtime+=usecond();
 }
 
 template<class Impl>  
@@ -104,9 +100,6 @@ CayleyFermion5D<Impl>::M5Ddag(const FermionField &psi_i,
   int Ls=this->Ls;
 
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  M5Dcalls++;
-  M5Dtime-=usecond();
-
   uint64_t nloop = grid->oSites();
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t s = sss%Ls;
@@ -119,7 +112,6 @@ CayleyFermion5D<Impl>::M5Ddag(const FermionField &psi_i,
     spProj5m(tmp2,psi(idx_l));
     coalescedWrite(chi[ss+s],pdiag[s]*phi(ss+s)+pupper[s]*tmp1+plower[s]*tmp2);
   });
-  M5Dtime+=usecond();
 }
 
 template<class Impl>
@@ -140,8 +132,6 @@ CayleyFermion5D<Impl>::MooeeInv    (const FermionField &psi_i, FermionField &chi
   auto pleem = & leem[0];
   auto pueem = & ueem[0];
 
-  MooeeInvCalls++;
-  MooeeInvTime-=usecond();
   uint64_t nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss=sss*Ls;
@@ -178,8 +168,6 @@ CayleyFermion5D<Impl>::MooeeInv    (const FermionField &psi_i, FermionField &chi
       coalescedWrite(chi[ss+s],res);
     }
   });
-
-  MooeeInvTime+=usecond();
   
 }
 
@@ -202,10 +190,6 @@ CayleyFermion5D<Impl>::MooeeInvDag (const FermionField &psi_i, FermionField &chi
 
   assert(psi.Checkerboard() == psi.Checkerboard());
 
-  MooeeInvCalls++;
-  MooeeInvTime-=usecond();
-
-
   uint64_t nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss=sss*Ls;
@@ -242,7 +226,6 @@ CayleyFermion5D<Impl>::MooeeInvDag (const FermionField &psi_i, FermionField &chi
       coalescedWrite(chi[ss+s],res);
     }
   });
-  MooeeInvTime+=usecond();
 
 }
 

Grid/qcd/action/fermion/implementation/CayleyFermion5Dvec.h

@@ -94,10 +94,6 @@ CayleyFermion5D<Impl>::M5D(const FermionField &psi_i,
       d_p[ss] = diag[s];
     }}
 
-
-  M5Dcalls++;
-  M5Dtime-=usecond();
-
   assert(Nc==3);
 
   thread_loop( (int ss=0;ss<grid->oSites();ss+=LLs),{ // adds LLs
@@ -198,7 +194,6 @@ CayleyFermion5D<Impl>::M5D(const FermionField &psi_i,
     }
 #endif
   });
-  M5Dtime+=usecond();
 }
 
 template<class Impl>  
@@ -242,8 +237,6 @@ CayleyFermion5D<Impl>::M5Ddag(const FermionField &psi_i,
       d_p[ss] = diag[s];
     }}
 
-  M5Dcalls++;
-  M5Dtime-=usecond();
   thread_loop( (int ss=0;ss<grid->oSites();ss+=LLs),{ // adds LLs
 #if 0
     alignas(64) SiteHalfSpinor hp;
@@ -339,7 +332,6 @@ CayleyFermion5D<Impl>::M5Ddag(const FermionField &psi_i,
     }
 #endif
   });
-  M5Dtime+=usecond();
 }
 
 
@@ -813,9 +805,6 @@ CayleyFermion5D<Impl>::MooeeInternal(const FermionField &psi, FermionField &chi,
   }
   assert(_Matp->size()==Ls*LLs);
 
-  MooeeInvCalls++;
-  MooeeInvTime-=usecond();
-
   if ( switcheroo<Coeff_t>::iscomplex() ) {
     thread_loop( (auto site=0;site<vol;site++),{
       MooeeInternalZAsm(psi,chi,LLs,site,*_Matp,*_Matm);
@@ -825,7 +814,7 @@ CayleyFermion5D<Impl>::MooeeInternal(const FermionField &psi, FermionField &chi,
       MooeeInternalAsm(psi,chi,LLs,site,*_Matp,*_Matm);
     });
   }
-  MooeeInvTime+=usecond();
+
 }
 
 NAMESPACE_END(Grid);

Grid/qcd/action/fermion/implementation/DomainWallEOFAFermionCache.h

@@ -54,8 +54,6 @@ void DomainWallEOFAFermion<Impl>::M5D(const FermionField& psi_i, const FermionFi
   auto pupper = &upper[0];
   auto plower = &lower[0];
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  this->M5Dcalls++;
-  this->M5Dtime -= usecond();
   
   auto nloop=grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
@@ -71,7 +69,6 @@ void DomainWallEOFAFermion<Impl>::M5D(const FermionField& psi_i, const FermionFi
     }
   });
 
-  this->M5Dtime += usecond();
 }
 
 template<class Impl>
@@ -91,8 +88,6 @@ void DomainWallEOFAFermion<Impl>::M5Ddag(const FermionField& psi_i, const Fermio
   auto plower = &lower[0];
 
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  this->M5Dcalls++;
-  this->M5Dtime -= usecond();
 
   auto nloop=grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
@@ -108,7 +103,6 @@ void DomainWallEOFAFermion<Impl>::M5Ddag(const FermionField& psi_i, const Fermio
     }
   });
 
-  this->M5Dtime += usecond();
 }
 
 template<class Impl>
@@ -127,8 +121,6 @@ void DomainWallEOFAFermion<Impl>::MooeeInv(const FermionField& psi_i, FermionFie
   auto pleem = & this->leem[0];
   auto pueem = & this->ueem[0];
 
-  this->MooeeInvCalls++;
-  this->MooeeInvTime -= usecond();
   uint64_t nloop=grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss=sss*Ls;
@@ -164,7 +156,6 @@ void DomainWallEOFAFermion<Impl>::MooeeInv(const FermionField& psi_i, FermionFie
       coalescedWrite(chi[ss+s],res);
     }
   });
-  this->MooeeInvTime += usecond();
 }
 
 template<class Impl>
@@ -185,8 +176,6 @@ void DomainWallEOFAFermion<Impl>::MooeeInvDag(const FermionField& psi_i, Fermion
 
   assert(psi.Checkerboard() == psi.Checkerboard());
 
-  this->MooeeInvCalls++;
-  this->MooeeInvTime -= usecond();
   auto nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss=sss*Ls;
@@ -223,7 +212,6 @@ void DomainWallEOFAFermion<Impl>::MooeeInvDag(const FermionField& psi_i, Fermion
     }
   });
 
-  this->MooeeInvTime += usecond();
 }
 
 NAMESPACE_END(Grid);

Grid/qcd/action/fermion/implementation/ImprovedStaggeredFermion5DImplementation.h

@@ -298,45 +298,33 @@ void ImprovedStaggeredFermion5D<Impl>::DhopInternalOverlappedComms(StencilImpl &
   int LLs = in.Grid()->_rdimensions[0];
   int len =  U.Grid()->oSites();
 
-  DhopFaceTime-=usecond();
   st.Prepare();
   st.HaloGather(in,compressor);
-  DhopFaceTime+=usecond();
 
-  DhopCommTime -=usecond();
   std::vector<std::vector<CommsRequest_t> > requests;
   st.CommunicateBegin(requests);
 
   //  st.HaloExchangeOptGather(in,compressor); // Wilson compressor
-  DhopFaceTime-=usecond();
   st.CommsMergeSHM(compressor);// Could do this inside parallel region overlapped with comms
-  DhopFaceTime+=usecond();
 
   //////////////////////////////////////////////////////////////////////////////////////////////////////
   // Remove explicit thread mapping introduced for OPA reasons.
   //////////////////////////////////////////////////////////////////////////////////////////////////////
-  DhopComputeTime-=usecond();
   {
     int interior=1;
     int exterior=0;
     Kernels::DhopImproved(st,lo,U,UUU,in,out,dag,interior,exterior);
   }
-  DhopComputeTime+=usecond();
 
-  DhopFaceTime-=usecond();
   st.CommsMerge(compressor);
-  DhopFaceTime+=usecond();
 
   st.CommunicateComplete(requests);
-  DhopCommTime +=usecond();
 
-  DhopComputeTime2-=usecond();
   {
     int interior=0;
     int exterior=1;
     Kernels::DhopImproved(st,lo,U,UUU,in,out,dag,interior,exterior);
   }
-  DhopComputeTime2+=usecond();
 }
 
 template<class Impl>
@@ -347,22 +335,14 @@ void ImprovedStaggeredFermion5D<Impl>::DhopInternalSerialComms(StencilImpl & st,
   Compressor compressor;
   int LLs = in.Grid()->_rdimensions[0];
 
- //double t1=usecond();
-  DhopTotalTime -= usecond();
-  DhopCommTime -= usecond();
   st.HaloExchange(in,compressor);
-  DhopCommTime += usecond();
   
-  DhopComputeTime -= usecond();
   // Dhop takes the 4d grid from U, and makes a 5d index for fermion
   {
     int interior=1;
     int exterior=1;
     Kernels::DhopImproved(st,lo,U,UUU,in,out,dag,interior,exterior);
   }
-  DhopComputeTime += usecond();
-  DhopTotalTime   += usecond();
-
 }
 /*CHANGE END*/
 
@@ -371,7 +351,6 @@ void ImprovedStaggeredFermion5D<Impl>::DhopInternalSerialComms(StencilImpl & st,
 template<class Impl>
 void ImprovedStaggeredFermion5D<Impl>::DhopOE(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls+=1;
   conformable(in.Grid(),FermionRedBlackGrid());    // verifies half grid
   conformable(in.Grid(),out.Grid()); // drops the cb check
 
@@ -383,7 +362,6 @@ void ImprovedStaggeredFermion5D<Impl>::DhopOE(const FermionField &in, FermionFie
 template<class Impl>
 void ImprovedStaggeredFermion5D<Impl>::DhopEO(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls+=1;
   conformable(in.Grid(),FermionRedBlackGrid());    // verifies half grid
   conformable(in.Grid(),out.Grid()); // drops the cb check
 
@@ -395,7 +373,6 @@ void ImprovedStaggeredFermion5D<Impl>::DhopEO(const FermionField &in, FermionFie
 template<class Impl>
 void ImprovedStaggeredFermion5D<Impl>::Dhop(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls+=2;
   conformable(in.Grid(),FermionGrid()); // verifies full grid
   conformable(in.Grid(),out.Grid());
 
@@ -404,58 +381,6 @@ void ImprovedStaggeredFermion5D<Impl>::Dhop(const FermionField &in, FermionField
   DhopInternal(Stencil,Lebesgue,Umu,UUUmu,in,out,dag);
 }
 
-template<class Impl>
-void ImprovedStaggeredFermion5D<Impl>::Report(void) 
-{
-  Coordinate latt = GridDefaultLatt();          
-  RealD volume = Ls;  for(int mu=0;mu<Nd;mu++) volume=volume*latt[mu];
-  RealD NP = _FourDimGrid->_Nprocessors;
-  RealD NN = _FourDimGrid->NodeCount();
-
-  std::cout << GridLogMessage << "#### Dhop calls report " << std::endl;
-
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D Number of DhopEO Calls   : " 
-	    << DhopCalls   << std::endl;
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D TotalTime   /Calls       : " 
-	    << DhopTotalTime   / DhopCalls << " us" << std::endl;
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D CommTime    /Calls       : " 
-	    << DhopCommTime    / DhopCalls << " us" << std::endl;
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D ComputeTime/Calls        : " 
-	    << DhopComputeTime / DhopCalls << " us" << std::endl;
-
-  // Average the compute time
-  _FourDimGrid->GlobalSum(DhopComputeTime);
-  DhopComputeTime/=NP;
-
-  RealD mflops = 1154*volume*DhopCalls/DhopComputeTime/2; // 2 for red black counting
-  std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per node       : " << mflops/NN << std::endl;
-  
-  RealD Fullmflops = 1154*volume*DhopCalls/(DhopTotalTime)/2; // 2 for red black counting
-  std::cout << GridLogMessage << "Average mflops/s per call (full)         : " << Fullmflops << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per rank (full): " << Fullmflops/NP << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per node (full): " << Fullmflops/NN << std::endl;
-
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D Stencil"    <<std::endl;  Stencil.Report();
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D StencilEven"<<std::endl;  StencilEven.Report();
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion5D StencilOdd" <<std::endl;  StencilOdd.Report();
-}
-template<class Impl>
-void ImprovedStaggeredFermion5D<Impl>::ZeroCounters(void) 
-{
-  DhopCalls       = 0;
-  DhopTotalTime    = 0;
-  DhopCommTime    = 0;
-  DhopComputeTime = 0;
-  DhopFaceTime    = 0;
-
-
-  Stencil.ZeroCounters();
-  StencilEven.ZeroCounters();
-  StencilOdd.ZeroCounters();
-}
-
 /////////////////////////////////////////////////////////////////////////
 // Implement the general interface. Here we use SAME mass on all slices
 /////////////////////////////////////////////////////////////////////////

Grid/qcd/action/fermion/implementation/ImprovedStaggeredFermionImplementation.h

@@ -334,7 +334,6 @@ void ImprovedStaggeredFermion<Impl>::DhopDerivEO(GaugeField &mat, const FermionF
 template <class Impl>
 void ImprovedStaggeredFermion<Impl>::Dhop(const FermionField &in, FermionField &out, int dag) 
 {
-  DhopCalls+=2;
   conformable(in.Grid(), _grid);  // verifies full grid
   conformable(in.Grid(), out.Grid());
 
@@ -346,7 +345,6 @@ void ImprovedStaggeredFermion<Impl>::Dhop(const FermionField &in, FermionField &
 template <class Impl>
 void ImprovedStaggeredFermion<Impl>::DhopOE(const FermionField &in, FermionField &out, int dag) 
 {
-  DhopCalls+=1;
   conformable(in.Grid(), _cbgrid);    // verifies half grid
   conformable(in.Grid(), out.Grid());  // drops the cb check
 
@@ -359,7 +357,6 @@ void ImprovedStaggeredFermion<Impl>::DhopOE(const FermionField &in, FermionField
 template <class Impl>
 void ImprovedStaggeredFermion<Impl>::DhopEO(const FermionField &in, FermionField &out, int dag) 
 {
-  DhopCalls+=1;
   conformable(in.Grid(), _cbgrid);    // verifies half grid
   conformable(in.Grid(), out.Grid());  // drops the cb check
 
@@ -418,47 +415,33 @@ void ImprovedStaggeredFermion<Impl>::DhopInternalOverlappedComms(StencilImpl &st
   Compressor compressor; 
   int len =  U.Grid()->oSites();
 
-  DhopTotalTime   -= usecond();
-
-  DhopFaceTime    -= usecond();
   st.Prepare();
   st.HaloGather(in,compressor);
-  DhopFaceTime    += usecond();
 
-  DhopCommTime -=usecond();
   std::vector<std::vector<CommsRequest_t> > requests;
   st.CommunicateBegin(requests);
 
-  DhopFaceTime-=usecond();
   st.CommsMergeSHM(compressor);
-  DhopFaceTime+= usecond();
 
   //////////////////////////////////////////////////////////////////////////////////////////////////////
   // Removed explicit thread comms
   //////////////////////////////////////////////////////////////////////////////////////////////////////
-  DhopComputeTime    -= usecond();
   {
     int interior=1;
     int exterior=0;
     Kernels::DhopImproved(st,lo,U,UUU,in,out,dag,interior,exterior);
   }
-  DhopComputeTime    += usecond();
 
   st.CommunicateComplete(requests);
-  DhopCommTime +=usecond();
 
   // First to enter, last to leave timing
-  DhopFaceTime    -= usecond();
   st.CommsMerge(compressor);
-  DhopFaceTime    -= usecond();
 
-  DhopComputeTime2    -= usecond();
   {
     int interior=0;
     int exterior=1;
     Kernels::DhopImproved(st,lo,U,UUU,in,out,dag,interior,exterior);
   }
-  DhopComputeTime2    += usecond();
 }
 
 
@@ -471,78 +454,16 @@ void ImprovedStaggeredFermion<Impl>::DhopInternalSerialComms(StencilImpl &st, Le
 {
   assert((dag == DaggerNo) || (dag == DaggerYes));
 
-  DhopTotalTime   -= usecond();
-
-  DhopCommTime    -= usecond();
   Compressor compressor;
   st.HaloExchange(in, compressor);
-  DhopCommTime    += usecond();
 
-  DhopComputeTime -= usecond();
   {
     int interior=1;
     int exterior=1;
     Kernels::DhopImproved(st,lo,U,UUU,in,out,dag,interior,exterior);
   }
-  DhopComputeTime += usecond();
-  DhopTotalTime   += usecond();
 };
 
-  ////////////////////////////////////////////////////////////////
-  // Reporting
-  ////////////////////////////////////////////////////////////////
-template<class Impl>
-void ImprovedStaggeredFermion<Impl>::Report(void) 
-{
-  Coordinate latt = _grid->GlobalDimensions();
-  RealD volume = 1;  for(int mu=0;mu<Nd;mu++) volume=volume*latt[mu];
-  RealD NP = _grid->_Nprocessors;
-  RealD NN = _grid->NodeCount();
-
-  std::cout << GridLogMessage << "#### Dhop calls report " << std::endl;
-
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion Number of DhopEO Calls   : " 
-	    << DhopCalls   << std::endl;
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion TotalTime   /Calls       : " 
-	    << DhopTotalTime   / DhopCalls << " us" << std::endl;
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion CommTime    /Calls       : " 
-	    << DhopCommTime    / DhopCalls << " us" << std::endl;
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion ComputeTime/Calls        : " 
-	    << DhopComputeTime / DhopCalls << " us" << std::endl;
-
-  // Average the compute time
-  _grid->GlobalSum(DhopComputeTime);
-  DhopComputeTime/=NP;
-
-  RealD mflops = 1154*volume*DhopCalls/DhopComputeTime/2; // 2 for red black counting
-  std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per node       : " << mflops/NN << std::endl;
-  
-  RealD Fullmflops = 1154*volume*DhopCalls/(DhopTotalTime)/2; // 2 for red black counting
-  std::cout << GridLogMessage << "Average mflops/s per call (full)         : " << Fullmflops << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per rank (full): " << Fullmflops/NP << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per node (full): " << Fullmflops/NN << std::endl;
-
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion Stencil"    <<std::endl;  Stencil.Report();
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion StencilEven"<<std::endl;  StencilEven.Report();
-  std::cout << GridLogMessage << "ImprovedStaggeredFermion StencilOdd" <<std::endl;  StencilOdd.Report();
-}
-template<class Impl>
-void ImprovedStaggeredFermion<Impl>::ZeroCounters(void) 
-{
-  DhopCalls       = 0;
-  DhopTotalTime   = 0;
-  DhopCommTime    = 0;
-  DhopComputeTime = 0;
-  DhopFaceTime    = 0;
-
-  Stencil.ZeroCounters();
-  StencilEven.ZeroCounters();
-  StencilOdd.ZeroCounters();
-}
-
-
 //////////////////////////////////////////////////////// 
 // Conserved current - not yet implemented.
 ////////////////////////////////////////////////////////

Grid/qcd/action/fermion/implementation/MobiusEOFAFermionCache.h

@@ -55,9 +55,6 @@ void MobiusEOFAFermion<Impl>::M5D(const FermionField &psi_i, const FermionField
   auto plower = &lower[0];
 
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  this->M5Dcalls++;
-  this->M5Dtime -= usecond();
-
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss = sss*Ls;
@@ -73,7 +70,6 @@ void MobiusEOFAFermion<Impl>::M5D(const FermionField &psi_i, const FermionField
     }
   });
 
-  this->M5Dtime += usecond();
 }
 
 template<class Impl>
@@ -99,9 +95,6 @@ void MobiusEOFAFermion<Impl>::M5D_shift(const FermionField &psi_i, const Fermion
   auto pshift_coeffs = &shift_coeffs[0];
 
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  this->M5Dcalls++;
-  this->M5Dtime -= usecond();
-
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss = sss*Ls;
@@ -122,7 +115,6 @@ void MobiusEOFAFermion<Impl>::M5D_shift(const FermionField &psi_i, const Fermion
     }
   });
 
-  this->M5Dtime += usecond();
 }
 
 template<class Impl>
@@ -143,9 +135,6 @@ void MobiusEOFAFermion<Impl>::M5Ddag(const FermionField &psi_i, const FermionFie
   auto plower = &lower[0];
 
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  this->M5Dcalls++;
-  this->M5Dtime -= usecond();
-
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(), {
     uint64_t ss = sss*Ls;
@@ -161,8 +150,6 @@ void MobiusEOFAFermion<Impl>::M5Ddag(const FermionField &psi_i, const FermionFie
       coalescedWrite(chi[ss+s], pdiag[s]*phi(ss+s) + pupper[s]*tmp1 + plower[s]*tmp2);
     }
   });
-
-  this->M5Dtime += usecond();
 }
 
 template<class Impl>
@@ -186,9 +173,6 @@ void MobiusEOFAFermion<Impl>::M5Ddag_shift(const FermionField &psi_i, const Ferm
   auto pshift_coeffs = &shift_coeffs[0];
 
   // Flops = 6.0*(Nc*Ns) *Ls*vol
-  this->M5Dcalls++;
-  this->M5Dtime -= usecond();
-
   auto pm = this->pm;
 
   int nloop = grid->oSites()/Ls;
@@ -217,7 +201,6 @@ void MobiusEOFAFermion<Impl>::M5Ddag_shift(const FermionField &psi_i, const Ferm
     }
   });
 
-  this->M5Dtime += usecond();
 }
 
 template<class Impl>
@@ -237,9 +220,6 @@ void MobiusEOFAFermion<Impl>::MooeeInv(const FermionField &psi_i, FermionField &
 
   if(this->shift != 0.0){ MooeeInv_shift(psi_i,chi_i); return; }
 
-  this->MooeeInvCalls++;
-  this->MooeeInvTime -= usecond();
-
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss=sss*Ls;
@@ -277,7 +257,6 @@ void MobiusEOFAFermion<Impl>::MooeeInv(const FermionField &psi_i, FermionField &
     }
   });
    
-  this->MooeeInvTime += usecond();
 }
 
 template<class Impl>
@@ -297,8 +276,6 @@ void MobiusEOFAFermion<Impl>::MooeeInv_shift(const FermionField &psi_i, FermionF
   auto pueem= & this->ueem[0];
   auto pMooeeInv_shift_lc   = &MooeeInv_shift_lc[0];
   auto pMooeeInv_shift_norm = &MooeeInv_shift_norm[0];
-  this->MooeeInvCalls++;
-  this->MooeeInvTime -= usecond();
 
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
@@ -343,7 +320,6 @@ void MobiusEOFAFermion<Impl>::MooeeInv_shift(const FermionField &psi_i, FermionF
       }
   });
 
-  this->MooeeInvTime += usecond();
 }
 
 template<class Impl>
@@ -363,9 +339,6 @@ void MobiusEOFAFermion<Impl>::MooeeInvDag(const FermionField &psi_i, FermionFiel
   auto pleem= & this->leem[0];
   auto pueem= & this->ueem[0];
 
-  this->MooeeInvCalls++;
-  this->MooeeInvTime -= usecond();
-
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
     uint64_t ss=sss*Ls;
@@ -402,7 +375,6 @@ void MobiusEOFAFermion<Impl>::MooeeInvDag(const FermionField &psi_i, FermionFiel
       coalescedWrite(chi[ss+s],res);
     }
   });
-  this->MooeeInvTime += usecond();
 }
 
 template<class Impl>
@@ -423,9 +395,6 @@ void MobiusEOFAFermion<Impl>::MooeeInvDag_shift(const FermionField &psi_i, Fermi
   auto pMooeeInvDag_shift_lc   = &MooeeInvDag_shift_lc[0];
   auto pMooeeInvDag_shift_norm = &MooeeInvDag_shift_norm[0];
 
-  this->MooeeInvCalls++;
-  this->MooeeInvTime -= usecond();
-
   int nloop = grid->oSites()/Ls;
   accelerator_for(sss,nloop,Simd::Nsimd(),{
       uint64_t ss=sss*Ls;
@@ -469,7 +438,6 @@ void MobiusEOFAFermion<Impl>::MooeeInvDag_shift(const FermionField &psi_i, Fermi
       }
   });
 
-  this->MooeeInvTime += usecond();
 }
 
 NAMESPACE_END(Grid);

Grid/qcd/action/fermion/implementation/NaiveStaggeredFermionImplementation.h

@@ -263,7 +263,6 @@ void NaiveStaggeredFermion<Impl>::DhopDerivEO(GaugeField &mat, const FermionFiel
 template <class Impl>
 void NaiveStaggeredFermion<Impl>::Dhop(const FermionField &in, FermionField &out, int dag) 
 {
-  DhopCalls+=2;
   conformable(in.Grid(), _grid);  // verifies full grid
   conformable(in.Grid(), out.Grid());
 
@@ -275,7 +274,6 @@ void NaiveStaggeredFermion<Impl>::Dhop(const FermionField &in, FermionField &out
 template <class Impl>
 void NaiveStaggeredFermion<Impl>::DhopOE(const FermionField &in, FermionField &out, int dag) 
 {
-  DhopCalls+=1;
   conformable(in.Grid(), _cbgrid);    // verifies half grid
   conformable(in.Grid(), out.Grid());  // drops the cb check
 
@@ -288,7 +286,6 @@ void NaiveStaggeredFermion<Impl>::DhopOE(const FermionField &in, FermionField &o
 template <class Impl>
 void NaiveStaggeredFermion<Impl>::DhopEO(const FermionField &in, FermionField &out, int dag) 
 {
-  DhopCalls+=1;
   conformable(in.Grid(), _cbgrid);    // verifies half grid
   conformable(in.Grid(), out.Grid());  // drops the cb check
 
@@ -345,47 +342,33 @@ void NaiveStaggeredFermion<Impl>::DhopInternalOverlappedComms(StencilImpl &st, L
   Compressor compressor; 
   int len =  U.Grid()->oSites();
 
-  DhopTotalTime   -= usecond();
-
-  DhopFaceTime    -= usecond();
   st.Prepare();
   st.HaloGather(in,compressor);
-  DhopFaceTime    += usecond();
 
-  DhopCommTime -=usecond();
   std::vector<std::vector<CommsRequest_t> > requests;
   st.CommunicateBegin(requests);
 
-  DhopFaceTime-=usecond();
   st.CommsMergeSHM(compressor);
-  DhopFaceTime+= usecond();
 
   //////////////////////////////////////////////////////////////////////////////////////////////////////
   // Removed explicit thread comms
   //////////////////////////////////////////////////////////////////////////////////////////////////////
-  DhopComputeTime    -= usecond();
   {
     int interior=1;
     int exterior=0;
     Kernels::DhopNaive(st,lo,U,in,out,dag,interior,exterior);
   }
-  DhopComputeTime    += usecond();
 
   st.CommunicateComplete(requests);
-  DhopCommTime +=usecond();
 
   // First to enter, last to leave timing
-  DhopFaceTime    -= usecond();
   st.CommsMerge(compressor);
-  DhopFaceTime    -= usecond();
 
-  DhopComputeTime2    -= usecond();
   {
     int interior=0;
     int exterior=1;
     Kernels::DhopNaive(st,lo,U,in,out,dag,interior,exterior);
   }
-  DhopComputeTime2    += usecond();
 }
 
 template <class Impl>
@@ -396,78 +379,16 @@ void NaiveStaggeredFermion<Impl>::DhopInternalSerialComms(StencilImpl &st, Lebes
 {
   assert((dag == DaggerNo) || (dag == DaggerYes));
 
-  DhopTotalTime   -= usecond();
-
-  DhopCommTime    -= usecond();
   Compressor compressor;
   st.HaloExchange(in, compressor);
-  DhopCommTime    += usecond();
 
-  DhopComputeTime -= usecond();
   {
     int interior=1;
     int exterior=1;
     Kernels::DhopNaive(st,lo,U,in,out,dag,interior,exterior);
   }
-  DhopComputeTime += usecond();
-  DhopTotalTime   += usecond();
 };
 
-  ////////////////////////////////////////////////////////////////
-  // Reporting
-  ////////////////////////////////////////////////////////////////
-template<class Impl>
-void NaiveStaggeredFermion<Impl>::Report(void) 
-{
-  Coordinate latt = _grid->GlobalDimensions();
-  RealD volume = 1;  for(int mu=0;mu<Nd;mu++) volume=volume*latt[mu];
-  RealD NP = _grid->_Nprocessors;
-  RealD NN = _grid->NodeCount();
-
-  std::cout << GridLogMessage << "#### Dhop calls report " << std::endl;
-
-  std::cout << GridLogMessage << "NaiveStaggeredFermion Number of DhopEO Calls   : " 
-	    << DhopCalls   << std::endl;
-  std::cout << GridLogMessage << "NaiveStaggeredFermion TotalTime   /Calls       : " 
-	    << DhopTotalTime   / DhopCalls << " us" << std::endl;
-  std::cout << GridLogMessage << "NaiveStaggeredFermion CommTime    /Calls       : " 
-	    << DhopCommTime    / DhopCalls << " us" << std::endl;
-  std::cout << GridLogMessage << "NaiveStaggeredFermion ComputeTime/Calls        : " 
-	    << DhopComputeTime / DhopCalls << " us" << std::endl;
-
-  // Average the compute time
-  _grid->GlobalSum(DhopComputeTime);
-  DhopComputeTime/=NP;
-
-  RealD mflops = 1154*volume*DhopCalls/DhopComputeTime/2; // 2 for red black counting
-  std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per node       : " << mflops/NN << std::endl;
-  
-  RealD Fullmflops = 1154*volume*DhopCalls/(DhopTotalTime)/2; // 2 for red black counting
-  std::cout << GridLogMessage << "Average mflops/s per call (full)         : " << Fullmflops << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per rank (full): " << Fullmflops/NP << std::endl;
-  std::cout << GridLogMessage << "Average mflops/s per call per node (full): " << Fullmflops/NN << std::endl;
-
-  std::cout << GridLogMessage << "NaiveStaggeredFermion Stencil"    <<std::endl;  Stencil.Report();
-  std::cout << GridLogMessage << "NaiveStaggeredFermion StencilEven"<<std::endl;  StencilEven.Report();
-  std::cout << GridLogMessage << "NaiveStaggeredFermion StencilOdd" <<std::endl;  StencilOdd.Report();
-}
-template<class Impl>
-void NaiveStaggeredFermion<Impl>::ZeroCounters(void) 
-{
-  DhopCalls       = 0;
-  DhopTotalTime   = 0;
-  DhopCommTime    = 0;
-  DhopComputeTime = 0;
-  DhopFaceTime    = 0;
-
-  Stencil.ZeroCounters();
-  StencilEven.ZeroCounters();
-  StencilOdd.ZeroCounters();
-}
-
-
 //////////////////////////////////////////////////////// 
 // Conserved current - not yet implemented.
 ////////////////////////////////////////////////////////

Grid/qcd/action/fermion/implementation/WilsonFermion5DImplementation.h

@@ -63,6 +63,10 @@ WilsonFermion5D<Impl>::WilsonFermion5D(GaugeField &_Umu,
   _tmp(&FiveDimRedBlackGrid),
   Dirichlet(0)
 {
+  Stencil.lo     = &Lebesgue;
+  StencilEven.lo = &LebesgueEvenOdd;
+  StencilOdd.lo  = &LebesgueEvenOdd;
+  
   // some assertions
   assert(FiveDimGrid._ndimension==5);
   assert(FourDimGrid._ndimension==4);
@@ -96,6 +100,8 @@ WilsonFermion5D<Impl>::WilsonFermion5D(GaugeField &_Umu,
     Coordinate block = p.dirichlet;
     if ( block[0] || block[1] || block[2] || block[3] || block[4] ){
       Dirichlet = 1;
+      std::cout << GridLogMessage << " WilsonFermion: non-trivial Dirichlet condition "<< block << std::endl;
+      std::cout << GridLogMessage << " WilsonFermion: partial Dirichlet "<< p.partialDirichlet << std::endl;
       Block = block;
     }
   } else {
@@ -103,8 +109,6 @@ WilsonFermion5D<Impl>::WilsonFermion5D(GaugeField &_Umu,
     Block = block;
   }
 
-  ZeroCounters();
-
   if (Impl::LsVectorised) { 
 
     int nsimd = Simd::Nsimd();
@@ -139,93 +143,7 @@ WilsonFermion5D<Impl>::WilsonFermion5D(GaugeField &_Umu,
   StencilEven.BuildSurfaceList(LLs,vol4);
    StencilOdd.BuildSurfaceList(LLs,vol4);
 
-   //  std::cout << GridLogMessage << " SurfaceLists "<< Stencil.surface_list.size()
-   //                       <<" " << StencilEven.surface_list.size()<<std::endl;
-
 }
-     
-template<class Impl>
-void WilsonFermion5D<Impl>::Report(void)
-{
-  RealD NP     = _FourDimGrid->_Nprocessors;
-  RealD NN     = _FourDimGrid->NodeCount();
-  RealD volume = Ls;  
-  Coordinate latt = _FourDimGrid->GlobalDimensions();
-  for(int mu=0;mu<Nd;mu++) volume=volume*latt[mu];
-
-  if ( DhopCalls > 0 ) {
-    std::cout << GridLogMessage << "#### Dhop calls report " << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D Number of DhopEO Calls   : " << DhopCalls   << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D TotalTime   /Calls        : " << DhopTotalTime   / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D CommTime    /Calls        : " << DhopCommTime    / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D FaceTime    /Calls        : " << DhopFaceTime    / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D ComputeTime1/Calls        : " << DhopComputeTime / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D ComputeTime2/Calls        : " << DhopComputeTime2/ DhopCalls << " us" << std::endl;
-
-    // Average the compute time
-    _FourDimGrid->GlobalSum(DhopComputeTime);
-    DhopComputeTime/=NP;
-    RealD mflops = 1344*volume*DhopCalls/DhopComputeTime/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node       : " << mflops/NN << std::endl;
-
-    RealD Fullmflops = 1344*volume*DhopCalls/(DhopTotalTime)/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call (full)         : " << Fullmflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank (full): " << Fullmflops/NP << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node (full): " << Fullmflops/NN << std::endl;
-
-   }
-
-  if ( DerivCalls > 0 ) {
-    std::cout << GridLogMessage << "#### Deriv calls report "<< std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D Number of Deriv Calls    : " <<DerivCalls <<std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D CommTime/Calls           : " <<DerivCommTime/DerivCalls<<" us" <<std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D ComputeTime/Calls        : " <<DerivComputeTime/DerivCalls<<" us" <<std::endl;
-    std::cout << GridLogMessage << "WilsonFermion5D Dhop ComputeTime/Calls   : " <<DerivDhopComputeTime/DerivCalls<<" us" <<std::endl;
-    
-    RealD mflops = 144*volume*DerivCalls/DerivDhopComputeTime;
-    std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node       : " << mflops/NP << std::endl;
-
-    RealD Fullmflops = 144*volume*DerivCalls/(DerivDhopComputeTime+DerivCommTime)/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call (full)         : " << Fullmflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node (full): " << Fullmflops/NP << std::endl;  }
-
-  if (DerivCalls > 0 || DhopCalls > 0){
-    std::cout << GridLogMessage << "WilsonFermion5D Stencil"    <<std::endl;  Stencil.Report();
-    std::cout << GridLogMessage << "WilsonFermion5D StencilEven"<<std::endl;  StencilEven.Report();
-    std::cout << GridLogMessage << "WilsonFermion5D StencilOdd" <<std::endl;  StencilOdd.Report();
-  }
-  if ( DhopCalls > 0){
-    std::cout << GridLogMessage << "WilsonFermion5D Stencil     Reporti()"    <<std::endl;  Stencil.Reporti(DhopCalls);
-    std::cout << GridLogMessage << "WilsonFermion5D StencilEven Reporti()"<<std::endl;  StencilEven.Reporti(DhopCalls);
-    std::cout << GridLogMessage << "WilsonFermion5D StencilOdd  Reporti()" <<std::endl;  StencilOdd.Reporti(DhopCalls);
-  }
-}
-
-template<class Impl>
-void WilsonFermion5D<Impl>::ZeroCounters(void) {
-  DhopCalls       = 0;
-  DhopCommTime    = 0;
-  DhopComputeTime = 0;
-  DhopComputeTime2= 0;
-  DhopFaceTime    = 0;
-  DhopTotalTime   = 0;
-
-  DerivCalls       = 0;
-  DerivCommTime    = 0;
-  DerivComputeTime = 0;
-  DerivDhopComputeTime = 0;
-
-  Stencil.ZeroCounters();
-  StencilEven.ZeroCounters();
-  StencilOdd.ZeroCounters();
-  Stencil.ZeroCountersi();
-  StencilEven.ZeroCountersi();
-  StencilOdd.ZeroCountersi();
-}
-
 
 template<class Impl>
 void WilsonFermion5D<Impl>::ImportGauge(const GaugeField &_Umu)
@@ -233,12 +151,29 @@ void WilsonFermion5D<Impl>::ImportGauge(const GaugeField &_Umu)
   GaugeField HUmu(_Umu.Grid());
   HUmu = _Umu*(-0.5);
   if ( Dirichlet ) {
-    std::cout << GridLogMessage << " Dirichlet BCs 5d " <<Block<<std::endl;
-    Coordinate GaugeBlock(Nd);
-    for(int d=0;d<Nd;d++) GaugeBlock[d] = Block[d+1];
-    std::cout << GridLogMessage << " Dirichlet BCs 4d " <<GaugeBlock<<std::endl;
-    DirichletFilter<GaugeField> Filter(GaugeBlock);
-    Filter.applyFilter(HUmu);
+
+    if ( this->Params.partialDirichlet ) {
+      std::cout << GridLogMessage << " partialDirichlet BCs " <<Block<<std::endl;
+    } else {
+      std::cout << GridLogMessage << " FULL Dirichlet BCs " <<Block<<std::endl;
+    }
+    
+    std:: cout << GridLogMessage << "Checking block size multiple of rank boundaries for Dirichlet"<<std::endl;
+    for(int d=0;d<Nd;d++) {
+      int GaugeBlock = Block[d+1];
+      int ldim=GaugeGrid()->LocalDimensions()[d];
+      if (GaugeBlock) assert( (GaugeBlock%ldim)==0);
+    }
+
+    if (!this->Params.partialDirichlet) {
+      std::cout << GridLogMessage << " Dirichlet filtering gauge field BCs block " <<Block<<std::endl;
+      Coordinate GaugeBlock(Nd);
+      for(int d=0;d<Nd;d++) GaugeBlock[d] = Block[d+1];
+      DirichletFilter<GaugeField> Filter(GaugeBlock);
+      Filter.applyFilter(HUmu);
+    } else {
+      std::cout << GridLogMessage << " Dirichlet "<< Dirichlet << " NOT filtered gauge field" <<std::endl;
+    }
   }
   Impl::DoubleStore(GaugeGrid(),Umu,HUmu);
   pickCheckerboard(Even,UmuEven,Umu);
@@ -281,7 +216,6 @@ void WilsonFermion5D<Impl>::DerivInternal(StencilImpl & st,
 					  const FermionField &B,
 					  int dag)
 {
-  DerivCalls++;
   assert((dag==DaggerNo) ||(dag==DaggerYes));
 
   conformable(st.Grid(),A.Grid());
@@ -292,15 +226,12 @@ void WilsonFermion5D<Impl>::DerivInternal(StencilImpl & st,
   FermionField Btilde(B.Grid());
   FermionField Atilde(B.Grid());
 
-  DerivCommTime-=usecond();
   st.HaloExchange(B,compressor);
-  DerivCommTime+=usecond();
 
   Atilde=A;
   int LLs = B.Grid()->_rdimensions[0];
 
 
-  DerivComputeTime-=usecond();
   for (int mu = 0; mu < Nd; mu++) {
     ////////////////////////////////////////////////////////////////////////
     // Flip gamma if dag
@@ -312,8 +243,6 @@ void WilsonFermion5D<Impl>::DerivInternal(StencilImpl & st,
     // Call the single hop
     ////////////////////////
 
-    DerivDhopComputeTime -= usecond();
-
     int Usites = U.Grid()->oSites();
 
     Kernels::DhopDirKernel(st, U, st.CommBuf(), Ls, Usites, B, Btilde, mu,gamma);
@@ -321,10 +250,8 @@ void WilsonFermion5D<Impl>::DerivInternal(StencilImpl & st,
     ////////////////////////////
     // spin trace outer product
     ////////////////////////////
-    DerivDhopComputeTime += usecond();
     Impl::InsertForce5D(mat, Btilde, Atilde, mu);
   }
-  DerivComputeTime += usecond();
 }
 
 template<class Impl>
@@ -382,12 +309,10 @@ void WilsonFermion5D<Impl>::DhopInternal(StencilImpl & st, LebesgueOrder &lo,
                                          DoubledGaugeField & U,
                                          const FermionField &in, FermionField &out,int dag)
 {
-  DhopTotalTime-=usecond();
   if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute )
     DhopInternalOverlappedComms(st,lo,U,in,out,dag);
   else 
     DhopInternalSerialComms(st,lo,U,in,out,dag);
-  DhopTotalTime+=usecond();
 }
 
 
@@ -396,6 +321,7 @@ void WilsonFermion5D<Impl>::DhopInternalOverlappedComms(StencilImpl & st, Lebesg
 							DoubledGaugeField & U,
 							const FermionField &in, FermionField &out,int dag)
 {
+  GRID_TRACE("DhopInternalOverlappedComms");
   Compressor compressor(dag);
 
   int LLs = in.Grid()->_rdimensions[0];
@@ -404,53 +330,58 @@ void WilsonFermion5D<Impl>::DhopInternalOverlappedComms(StencilImpl & st, Lebesg
   /////////////////////////////
   // Start comms  // Gather intranode and extra node differentiated??
   /////////////////////////////
-  DhopFaceTime-=usecond();
-  st.HaloExchangeOptGather(in,compressor);
-  DhopFaceTime+=usecond();
-
-  DhopCommTime -=usecond();
+  {
+    GRID_TRACE("Gather");
+    st.HaloExchangeOptGather(in,compressor);
+    accelerator_barrier();
+  }
+  
   std::vector<std::vector<CommsRequest_t> > requests;
+  auto id=traceStart("Communicate overlapped");
   st.CommunicateBegin(requests);
 
   /////////////////////////////
   // Overlap with comms
   /////////////////////////////
-  DhopFaceTime-=usecond();
-  st.CommsMergeSHM(compressor);// Could do this inside parallel region overlapped with comms
-  DhopFaceTime+=usecond();
+  {
+    GRID_TRACE("MergeSHM");
+    st.CommsMergeSHM(compressor);// Could do this inside parallel region overlapped with comms
+  }
       
   /////////////////////////////
   // do the compute interior
   /////////////////////////////
   int Opt = WilsonKernelsStatic::Opt; // Why pass this. Kernels should know
-  DhopComputeTime-=usecond();
   if (dag == DaggerYes) {
+    GRID_TRACE("DhopDagInterior");
     Kernels::DhopDagKernel(Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out,1,0);
   } else {
+    GRID_TRACE("DhopInterior");
     Kernels::DhopKernel   (Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out,1,0);
   }
-  DhopComputeTime+=usecond();
 
   /////////////////////////////
   // Complete comms
   /////////////////////////////
   st.CommunicateComplete(requests);
-  DhopCommTime   +=usecond();
+  traceStop(id);
 
   /////////////////////////////
   // do the compute exterior
   /////////////////////////////
-  DhopFaceTime-=usecond();
-  st.CommsMerge(compressor);
-  DhopFaceTime+=usecond();
+  {
+    GRID_TRACE("Merge");
+    st.CommsMerge(compressor);
+  }
+  
 
-  DhopComputeTime2-=usecond();
   if (dag == DaggerYes) {
+    GRID_TRACE("DhopDagExterior");
     Kernels::DhopDagKernel(Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out,0,1);
   } else {
+    GRID_TRACE("DhopExterior");
     Kernels::DhopKernel   (Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out,0,1);
   }
-  DhopComputeTime2+=usecond();
 }
 
 
@@ -460,29 +391,30 @@ void WilsonFermion5D<Impl>::DhopInternalSerialComms(StencilImpl & st, LebesgueOr
 						    const FermionField &in, 
 						    FermionField &out,int dag)
 {
+  GRID_TRACE("DhopInternalSerialComms");
   Compressor compressor(dag);
 
   int LLs = in.Grid()->_rdimensions[0];
+
+  {
+    GRID_TRACE("HaloExchange");
+    st.HaloExchangeOpt(in,compressor);
+  }
   
-  DhopCommTime-=usecond();
-  st.HaloExchangeOpt(in,compressor);
-  DhopCommTime+=usecond();
-  
-  DhopComputeTime-=usecond();
   int Opt = WilsonKernelsStatic::Opt;
   if (dag == DaggerYes) {
+    GRID_TRACE("DhopDag");
     Kernels::DhopDagKernel(Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out);
   } else {
+    GRID_TRACE("Dhop");
     Kernels::DhopKernel(Opt,st,U,st.CommBuf(),LLs,U.oSites(),in,out);
   }
-  DhopComputeTime+=usecond();
 }
 
 
 template<class Impl>
 void WilsonFermion5D<Impl>::DhopOE(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls++;
   conformable(in.Grid(),FermionRedBlackGrid());    // verifies half grid
   conformable(in.Grid(),out.Grid()); // drops the cb check
 
@@ -494,7 +426,6 @@ void WilsonFermion5D<Impl>::DhopOE(const FermionField &in, FermionField &out,int
 template<class Impl>
 void WilsonFermion5D<Impl>::DhopEO(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls++;
   conformable(in.Grid(),FermionRedBlackGrid());    // verifies half grid
   conformable(in.Grid(),out.Grid()); // drops the cb check
 
@@ -506,7 +437,6 @@ void WilsonFermion5D<Impl>::DhopEO(const FermionField &in, FermionField &out,int
 template<class Impl>
 void WilsonFermion5D<Impl>::Dhop(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls+=2;
   conformable(in.Grid(),FermionGrid()); // verifies full grid
   conformable(in.Grid(),out.Grid());
 
@@ -561,12 +491,17 @@ void WilsonFermion5D<Impl>::MomentumSpacePropagatorHt_5d(FermionField &out,const
   LatComplex    sk(_grid);  sk = Zero();
   LatComplex    sk2(_grid); sk2= Zero();
   LatComplex    W(_grid); W= Zero();
-  LatComplex    a(_grid); a= Zero();
   LatComplex    one  (_grid); one = ScalComplex(1.0,0.0);
   LatComplex 	cosha(_grid);
   LatComplex 	kmu(_grid);
   LatComplex 	Wea(_grid);
   LatComplex 	Wema(_grid);
+  LatComplex 	ea(_grid);
+  LatComplex 	ema(_grid);
+  LatComplex 	eaLs(_grid);
+  LatComplex 	emaLs(_grid);
+  LatComplex 	ea2Ls(_grid);
+  LatComplex 	ema2Ls(_grid);
   LatComplex 	sinha(_grid);
   LatComplex 	sinhaLs(_grid);
   LatComplex 	coshaLs(_grid);
@@ -601,39 +536,29 @@ void WilsonFermion5D<Impl>::MomentumSpacePropagatorHt_5d(FermionField &out,const
   ////////////////////////////////////////////
   cosha = (one + W*W + sk) / (abs(W)*2.0);
 
-  // FIXME Need a Lattice acosh
-
-  {
-    autoView(cosha_v,cosha,CpuRead);
-    autoView(a_v,a,CpuWrite);
-    for(int idx=0;idx<_grid->lSites();idx++){
-      Coordinate lcoor(Nd);
-      Tcomplex cc;
-      //    RealD sgn;
-      _grid->LocalIndexToLocalCoor(idx,lcoor);
-      peekLocalSite(cc,cosha_v,lcoor);
-      assert((double)real(cc)>=1.0);
-      assert(fabs((double)imag(cc))<=1.0e-15);
-      cc = ScalComplex(::acosh(real(cc)),0.0);
-      pokeLocalSite(cc,a_v,lcoor);
-    }
-  }
-
-  Wea = ( exp( a) * abs(W)  );
-  Wema= ( exp(-a) * abs(W)  );
-  sinha = 0.5*(exp( a) - exp(-a));
-  sinhaLs = 0.5*(exp( a*Ls) - exp(-a*Ls));
-  coshaLs = 0.5*(exp( a*Ls) + exp(-a*Ls));
+  ea = (cosha + sqrt(cosha*cosha-one));
+  ema= (cosha - sqrt(cosha*cosha-one));
+  eaLs = pow(ea,Ls);
+  emaLs= pow(ema,Ls);
+  ea2Ls = pow(ea,2.0*Ls);
+  ema2Ls= pow(ema,2.0*Ls);
+  Wea= abs(W) * ea;
+  Wema= abs(W) * ema;
+  //  a=log(ea);
+  
+  sinha = 0.5*(ea - ema);
+  sinhaLs = 0.5*(eaLs-emaLs);
+  coshaLs = 0.5*(eaLs+emaLs);
 
   A = one / (abs(W) * sinha * 2.0) * one / (sinhaLs * 2.0);
-  F = exp( a*Ls) * (one - Wea + (Wema - one) * mass*mass);
-  F = F + exp(-a*Ls) * (Wema - one + (one - Wea) * mass*mass);
+  F = eaLs * (one - Wea + (Wema - one) * mass*mass);
+  F = F + emaLs * (Wema - one + (one - Wea) * mass*mass);
   F = F - abs(W) * sinha * 4.0 * mass;
 
-  Bpp =  (A/F) * (exp(-a*Ls*2.0) - one) * (one - Wema) * (one - mass*mass * one);
-  Bmm =  (A/F) * (one - exp(a*Ls*2.0)) * (one - Wea) * (one - mass*mass * one);
-  App =  (A/F) * (exp(-a*Ls*2.0) - one) * exp(-a) * (exp(-a) - abs(W)) * (one - mass*mass * one);
-  Amm =  (A/F) * (one - exp(a*Ls*2.0)) * exp(a) * (exp(a) - abs(W)) * (one - mass*mass * one);
+  Bpp =  (A/F) * (ema2Ls - one) * (one - Wema) * (one - mass*mass * one);
+  Bmm =  (A/F) * (one - ea2Ls)  * (one - Wea) * (one - mass*mass * one);
+  App =  (A/F) * (ema2Ls - one) * ema * (ema - abs(W)) * (one - mass*mass * one);
+  Amm =  (A/F) * (one - ea2Ls)  * ea  * (ea  - abs(W)) * (one - mass*mass * one);
   ABpm = (A/F) * abs(W) * sinha * 2.0  * (one + mass * coshaLs * 2.0 + mass*mass * one);
 
   //P+ source, P- source
@@ -656,29 +581,29 @@ void WilsonFermion5D<Impl>::MomentumSpacePropagatorHt_5d(FermionField &out,const
       buf1_4d = Zero();
       ExtractSlice(buf1_4d, PRsource, (tt-1), 0);
       //G(s,t)
-      bufR_4d = bufR_4d + A * exp(a*Ls) * exp(-a*f) * signW * buf1_4d + A * exp(-a*Ls) * exp(a*f) * signW * buf1_4d;
+      bufR_4d = bufR_4d + A * eaLs * pow(ema,f) * signW * buf1_4d + A * emaLs * pow(ea,f) * signW * buf1_4d;
       //A++*exp(a(s+t))
-      bufR_4d = bufR_4d + App * exp(a*ss) * exp(a*tt) * signW * buf1_4d ;
+      bufR_4d = bufR_4d + App * pow(ea,ss) * pow(ea,tt) * signW * buf1_4d ;
       //A+-*exp(a(s-t))
-      bufR_4d = bufR_4d + ABpm * exp(a*ss) * exp(-a*tt) * signW * buf1_4d ;
+      bufR_4d = bufR_4d + ABpm * pow(ea,ss) * pow(ema,tt) * signW * buf1_4d ;
       //A-+*exp(a(-s+t))
-      bufR_4d = bufR_4d + ABpm * exp(-a*ss) * exp(a*tt) * signW * buf1_4d ;
+      bufR_4d = bufR_4d + ABpm * pow(ema,ss) * pow(ea,tt) * signW * buf1_4d ;
       //A--*exp(a(-s-t))
-      bufR_4d = bufR_4d + Amm * exp(-a*ss) * exp(-a*tt) * signW * buf1_4d ;
+      bufR_4d = bufR_4d + Amm * pow(ema,ss) * pow(ema,tt) * signW * buf1_4d ;
 
       //GL
       buf2_4d = Zero();
       ExtractSlice(buf2_4d, PLsource, (tt-1), 0);
       //G(s,t)
-      bufL_4d = bufL_4d + A * exp(a*Ls) * exp(-a*f) * signW * buf2_4d + A * exp(-a*Ls) * exp(a*f) * signW * buf2_4d;
+      bufL_4d = bufL_4d + A * eaLs * pow(ema,f) * signW * buf2_4d + A * emaLs * pow(ea,f) * signW * buf2_4d;
       //B++*exp(a(s+t))
-      bufL_4d = bufL_4d + Bpp * exp(a*ss) * exp(a*tt) * signW * buf2_4d ;
+      bufL_4d = bufL_4d + Bpp * pow(ea,ss) * pow(ea,tt) * signW * buf2_4d ;
       //B+-*exp(a(s-t))
-      bufL_4d = bufL_4d + ABpm * exp(a*ss) * exp(-a*tt) * signW * buf2_4d ;
+      bufL_4d = bufL_4d + ABpm * pow(ea,ss) * pow(ema,tt) * signW * buf2_4d ;
       //B-+*exp(a(-s+t))
-      bufL_4d = bufL_4d + ABpm * exp(-a*ss) * exp(a*tt) * signW * buf2_4d ;
+      bufL_4d = bufL_4d + ABpm * pow(ema,ss) * pow(ea,tt) * signW * buf2_4d ;
       //B--*exp(a(-s-t))
-      bufL_4d = bufL_4d + Bmm * exp(-a*ss) * exp(-a*tt) * signW * buf2_4d ;
+      bufL_4d = bufL_4d + Bmm * pow(ema,ss) * pow(ema,tt) * signW * buf2_4d ;
     }
     InsertSlice(bufR_4d, GR, (ss-1), 0);
     InsertSlice(bufL_4d, GL, (ss-1), 0);
@@ -797,28 +722,12 @@ void WilsonFermion5D<Impl>::MomentumSpacePropagatorHt(FermionField &out,const Fe
   W = one - M5 + sk2;
 
   ////////////////////////////////////////////
-  // Cosh alpha -> alpha
+  // Cosh alpha -> exp(+/- alpha)
   ////////////////////////////////////////////
   cosha =  (one + W*W + sk) / (abs(W)*2.0);
 
-  // FIXME Need a Lattice acosh
-  {
-  autoView(cosha_v,cosha,CpuRead);
-  autoView(a_v,a,CpuWrite);
-  for(int idx=0;idx<_grid->lSites();idx++){
-    Coordinate lcoor(Nd);
-    Tcomplex cc;
-    //    RealD sgn;
-    _grid->LocalIndexToLocalCoor(idx,lcoor);
-    peekLocalSite(cc,cosha_v,lcoor);
-    assert((double)real(cc)>=1.0);
-    assert(fabs((double)imag(cc))<=1.0e-15);
-    cc = ScalComplex(::acosh(real(cc)),0.0);
-    pokeLocalSite(cc,a_v,lcoor);
-  }}
-  
-  Wea = ( exp( a) * abs(W)  );
-  Wema= ( exp(-a) * abs(W)  );
+  Wea = abs(W)*(cosha + sqrt(cosha*cosha-one));
+  Wema= abs(W)*(cosha - sqrt(cosha*cosha-one));
   
   num   = num + ( one - Wema ) * mass * in;
   denom= ( Wea - one ) + mass*mass * (one - Wema); 

Grid/qcd/action/fermion/implementation/WilsonFermionImplementation.h

@@ -60,6 +60,9 @@ WilsonFermion<Impl>::WilsonFermion(GaugeField &_Umu, GridCartesian &Fgrid,
       _tmp(&Hgrid),
       anisotropyCoeff(anis)
 {
+  Stencil.lo     = &Lebesgue;
+  StencilEven.lo = &LebesgueEvenOdd;
+  StencilOdd.lo  = &LebesgueEvenOdd;
   // Allocate the required comms buffer
   ImportGauge(_Umu);
   if  (anisotropyCoeff.isAnisotropic){
@@ -76,91 +79,6 @@ WilsonFermion<Impl>::WilsonFermion(GaugeField &_Umu, GridCartesian &Fgrid,
   StencilOdd.BuildSurfaceList(1,vol4);
 }
 
-template<class Impl>
-void WilsonFermion<Impl>::Report(void)
-{
-  RealD NP = _grid->_Nprocessors;
-  RealD NN = _grid->NodeCount();
-  RealD volume = 1;
-  Coordinate latt = _grid->GlobalDimensions();
-  for(int mu=0;mu<Nd;mu++) volume=volume*latt[mu];
-
-  if ( DhopCalls > 0 ) {
-    std::cout << GridLogMessage << "#### Dhop calls report " << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion Number of DhopEO Calls   : " << DhopCalls   << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion TotalTime   /Calls        : " << DhopTotalTime   / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion CommTime    /Calls        : " << DhopCommTime    / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion FaceTime    /Calls        : " << DhopFaceTime    / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion ComputeTime1/Calls        : " << DhopComputeTime / DhopCalls << " us" << std::endl;
-    std::cout << GridLogMessage << "WilsonFermion ComputeTime2/Calls        : " << DhopComputeTime2/ DhopCalls << " us" << std::endl;
-
-    // Average the compute time
-    _grid->GlobalSum(DhopComputeTime);
-    DhopComputeTime/=NP;
-    RealD mflops = 1320*volume*DhopCalls/DhopComputeTime/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call                : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank       : " << mflops/NP << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node       : " << mflops/NN << std::endl;
-
-    RealD Fullmflops = 1320*volume*DhopCalls/(DhopTotalTime)/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call (full)         : " << Fullmflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per rank (full): " << Fullmflops/NP << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node (full): " << Fullmflops/NN << std::endl;
-
-   }
-
-  if ( DerivCalls > 0 ) {
-    std::cout << GridLogMessage << "#### Deriv calls report "<< std::endl;
-    std::cout << GridLogMessage << "WilsonFermion Number of Deriv Calls    : " <<DerivCalls <<std::endl;
-    std::cout << GridLogMessage << "WilsonFermion CommTime/Calls           : " <<DerivCommTime/DerivCalls<<" us" <<std::endl;
-    std::cout << GridLogMessage << "WilsonFermion ComputeTime/Calls        : " <<DerivComputeTime/DerivCalls<<" us" <<std::endl;
-    std::cout << GridLogMessage << "WilsonFermion Dhop ComputeTime/Calls   : " <<DerivDhopComputeTime/DerivCalls<<" us" <<std::endl;
-
-    // how to count flops here?
-    RealD mflops = 144*volume*DerivCalls/DerivDhopComputeTime;
-    std::cout << GridLogMessage << "Average mflops/s per call               ? : " << mflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node      ? : " << mflops/NP << std::endl;
-
-    // how to count flops here?
-    RealD Fullmflops = 144*volume*DerivCalls/(DerivDhopComputeTime+DerivCommTime)/2; // 2 for red black counting
-    std::cout << GridLogMessage << "Average mflops/s per call (full)        ? : " << Fullmflops << std::endl;
-    std::cout << GridLogMessage << "Average mflops/s per call per node (full) ? : " << Fullmflops/NP << std::endl;  }
-
-  if (DerivCalls > 0 || DhopCalls > 0){
-    std::cout << GridLogMessage << "WilsonFermion Stencil"    <<std::endl;  Stencil.Report();
-    std::cout << GridLogMessage << "WilsonFermion StencilEven"<<std::endl;  StencilEven.Report();
-    std::cout << GridLogMessage << "WilsonFermion StencilOdd" <<std::endl;  StencilOdd.Report();
-  }
-  if ( DhopCalls > 0){
-    std::cout << GridLogMessage << "WilsonFermion Stencil     Reporti()"    <<std::endl;  Stencil.Reporti(DhopCalls);
-    std::cout << GridLogMessage << "WilsonFermion StencilEven Reporti()"<<std::endl;  StencilEven.Reporti(DhopCalls);
-    std::cout << GridLogMessage << "WilsonFermion StencilOdd  Reporti()" <<std::endl;  StencilOdd.Reporti(DhopCalls);
-  }
-}
-
-template<class Impl>
-void WilsonFermion<Impl>::ZeroCounters(void) {
-  DhopCalls       = 0; // ok
-  DhopCommTime    = 0;
-  DhopComputeTime = 0;
-  DhopComputeTime2= 0;
-  DhopFaceTime    = 0;
-  DhopTotalTime   = 0;
-
-  DerivCalls       = 0; // ok
-  DerivCommTime    = 0;
-  DerivComputeTime = 0;
-  DerivDhopComputeTime = 0;
-
-  Stencil.ZeroCounters();
-  StencilEven.ZeroCounters();
-  StencilOdd.ZeroCounters();
-  Stencil.ZeroCountersi();
-  StencilEven.ZeroCountersi();
-  StencilOdd.ZeroCountersi();
-}
-
-
 template <class Impl>
 void WilsonFermion<Impl>::ImportGauge(const GaugeField &_Umu)
 {
@@ -320,7 +238,6 @@ template <class Impl>
 void WilsonFermion<Impl>::DerivInternal(StencilImpl &st, DoubledGaugeField &U,
                                         GaugeField &mat, const FermionField &A,
                                         const FermionField &B, int dag) {
-  DerivCalls++;
   assert((dag == DaggerNo) || (dag == DaggerYes));
 
   Compressor compressor(dag);
@@ -329,11 +246,8 @@ void WilsonFermion<Impl>::DerivInternal(StencilImpl &st, DoubledGaugeField &U,
   FermionField Atilde(B.Grid());
   Atilde = A;
 
-  DerivCommTime-=usecond();
   st.HaloExchange(B, compressor);
-  DerivCommTime+=usecond();
 
-  DerivComputeTime-=usecond();
   for (int mu = 0; mu < Nd; mu++) {
     ////////////////////////////////////////////////////////////////////////
     // Flip gamma (1+g)<->(1-g) if dag
@@ -341,7 +255,6 @@ void WilsonFermion<Impl>::DerivInternal(StencilImpl &st, DoubledGaugeField &U,
     int gamma = mu;
     if (!dag) gamma += Nd;
 
-    DerivDhopComputeTime -= usecond();
     int Ls=1;
     Kernels::DhopDirKernel(st, U, st.CommBuf(), Ls, B.Grid()->oSites(), B, Btilde, mu, gamma);
 
@@ -349,9 +262,7 @@ void WilsonFermion<Impl>::DerivInternal(StencilImpl &st, DoubledGaugeField &U,
     // spin trace outer product
     //////////////////////////////////////////////////
     Impl::InsertForce4D(mat, Btilde, Atilde, mu);
-    DerivDhopComputeTime += usecond();
   }
-  DerivComputeTime += usecond();
 }
 
 template <class Impl>
@@ -398,7 +309,6 @@ void WilsonFermion<Impl>::DhopDerivEO(GaugeField &mat, const FermionField &U, co
 template <class Impl>
 void WilsonFermion<Impl>::Dhop(const FermionField &in, FermionField &out, int dag)
 {
-  DhopCalls+=2;
   conformable(in.Grid(), _grid);  // verifies full grid
   conformable(in.Grid(), out.Grid());
 
@@ -410,7 +320,6 @@ void WilsonFermion<Impl>::Dhop(const FermionField &in, FermionField &out, int da
 template <class Impl>
 void WilsonFermion<Impl>::DhopOE(const FermionField &in, FermionField &out, int dag)
 {
-  DhopCalls++;
   conformable(in.Grid(), _cbgrid);    // verifies half grid
   conformable(in.Grid(), out.Grid());  // drops the cb check
 
@@ -423,7 +332,6 @@ void WilsonFermion<Impl>::DhopOE(const FermionField &in, FermionField &out, int
 template <class Impl>
 void WilsonFermion<Impl>::DhopEO(const FermionField &in, FermionField &out,int dag)
 {
-  DhopCalls++;
   conformable(in.Grid(), _cbgrid);    // verifies half grid
   conformable(in.Grid(), out.Grid());  // drops the cb check
 
@@ -488,14 +396,12 @@ void WilsonFermion<Impl>::DhopInternal(StencilImpl &st, LebesgueOrder &lo,
                                        const FermionField &in,
                                        FermionField &out, int dag)
 {
-  DhopTotalTime-=usecond();
 #ifdef GRID_OMP
   if ( WilsonKernelsStatic::Comms == WilsonKernelsStatic::CommsAndCompute )
     DhopInternalOverlappedComms(st,lo,U,in,out,dag);
   else
 #endif
     DhopInternalSerial(st,lo,U,in,out,dag);
-  DhopTotalTime+=usecond();
 }
 
 template <class Impl>
@@ -504,6 +410,7 @@ void WilsonFermion<Impl>::DhopInternalOverlappedComms(StencilImpl &st, LebesgueO
 						      const FermionField &in,
 						      FermionField &out, int dag)
 {
+  GRID_TRACE("DhopOverlapped");
   assert((dag == DaggerNo) || (dag == DaggerYes));
 
   Compressor compressor(dag);
@@ -514,53 +421,55 @@ void WilsonFermion<Impl>::DhopInternalOverlappedComms(StencilImpl &st, LebesgueO
   /////////////////////////////
   std::vector<std::vector<CommsRequest_t> > requests;
   st.Prepare();
-  DhopFaceTime-=usecond();
-  st.HaloGather(in,compressor);
-  DhopFaceTime+=usecond();
+  {
+    GRID_TRACE("Gather");
+    st.HaloGather(in,compressor);
+  }
 
-  DhopCommTime -=usecond();
+  tracePush("Communication");
   st.CommunicateBegin(requests);
 
   /////////////////////////////
   // Overlap with comms
   /////////////////////////////
-  DhopFaceTime-=usecond();
-  st.CommsMergeSHM(compressor);
-  DhopFaceTime+=usecond();
+  {
+    GRID_TRACE("MergeSHM");
+    st.CommsMergeSHM(compressor);
+  }
 
   /////////////////////////////
   // do the compute interior
   /////////////////////////////
   int Opt = WilsonKernelsStatic::Opt;
-  DhopComputeTime-=usecond();
   if (dag == DaggerYes) {
+    GRID_TRACE("DhopDagInterior");
     Kernels::DhopDagKernel(Opt,st,U,st.CommBuf(),1,U.oSites(),in,out,1,0);
   } else {
+    GRID_TRACE("DhopInterior");
     Kernels::DhopKernel(Opt,st,U,st.CommBuf(),1,U.oSites(),in,out,1,0);
   }
-  DhopComputeTime+=usecond();
 
   /////////////////////////////
   // Complete comms
   /////////////////////////////
   st.CommunicateComplete(requests);
-  DhopCommTime   +=usecond();
-
-  DhopFaceTime-=usecond();
-  st.CommsMerge(compressor);
-  DhopFaceTime+=usecond();
+  tracePop("Communication");
 
+  {
+    GRID_TRACE("Merge");
+    st.CommsMerge(compressor);
+  }
   /////////////////////////////
   // do the compute exterior
   /////////////////////////////
 
-  DhopComputeTime2-=usecond();
   if (dag == DaggerYes) {
+    GRID_TRACE("DhopDagExterior");
     Kernels::DhopDagKernel(Opt,st,U,st.CommBuf(),1,U.oSites(),in,out,0,1);
   } else {
+    GRID_TRACE("DhopExterior");
     Kernels::DhopKernel(Opt,st,U,st.CommBuf(),1,U.oSites(),in,out,0,1);
   }
-  DhopComputeTime2+=usecond();
 };
 
 
@@ -570,20 +479,22 @@ void WilsonFermion<Impl>::DhopInternalSerial(StencilImpl &st, LebesgueOrder &lo,
                                        const FermionField &in,
                                        FermionField &out, int dag)
 {
+  GRID_TRACE("DhopSerial");
   assert((dag == DaggerNo) || (dag == DaggerYes));
   Compressor compressor(dag);
-  DhopCommTime-=usecond();
-  st.HaloExchange(in, compressor);
-  DhopCommTime+=usecond();
+  {
+    GRID_TRACE("HaloExchange");
+    st.HaloExchange(in, compressor);
+  }
 
-  DhopComputeTime-=usecond();
   int Opt = WilsonKernelsStatic::Opt;
   if (dag == DaggerYes) {
+    GRID_TRACE("DhopDag");
     Kernels::DhopDagKernel(Opt,st,U,st.CommBuf(),1,U.oSites(),in,out);
   } else {
+    GRID_TRACE("Dhop");
     Kernels::DhopKernel(Opt,st,U,st.CommBuf(),1,U.oSites(),in,out);
   }
-  DhopComputeTime+=usecond();
 };
 /*Change ends */
 

Grid/qcd/action/fermion/implementation/WilsonKernelsImplementation.h

@@ -72,20 +72,15 @@ accelerator_inline void get_stencil(StencilEntry * mem, StencilEntry &chip)
   if (SE->_is_local) {						\
     int perm= SE->_permute;					\
     auto tmp = coalescedReadPermute(in[SE->_offset],ptype,perm,lane);	\
-    spProj(chi,tmp);						\
-  } else if ( st.same_node[Dir] ) {				\
-    chi = coalescedRead(buf[SE->_offset],lane);			\
-  }								\
-  acceleratorSynchronise();						\
-  if (SE->_is_local || st.same_node[Dir] ) {			\
-    Impl::multLink(Uchi, U[sU], chi, Dir, SE, st);		\
-    Recon(result, Uchi);					\
-  }								\
+    spProj(chi,tmp);							\
+    Impl::multLink(Uchi, U[sU], chi, Dir, SE, st);			\
+    Recon(result, Uchi);						\
+  }									\
   acceleratorSynchronise();
 
 #define GENERIC_STENCIL_LEG_EXT(Dir,spProj,Recon)		\
   SE = st.GetEntry(ptype, Dir, sF);				\
-  if ((!SE->_is_local) && (!st.same_node[Dir]) ) {		\
+  if (!SE->_is_local ) {		\
     auto chi = coalescedRead(buf[SE->_offset],lane);		\
     Impl::multLink(Uchi, U[sU], chi, Dir, SE, st);		\
     Recon(result, Uchi);					\
@@ -416,19 +411,6 @@ void WilsonKernels<Impl>::DhopDirKernel( StencilImpl &st, DoubledGaugeField &U,S
 #undef LoopBody
 }
 
-#define KERNEL_CALL_TMP(A) \
-  const uint64_t    NN = Nsite*Ls;					\
-  auto U_p = & U_v[0];							\
-  auto in_p = & in_v[0];						\
-  auto out_p = & out_v[0];						\
-  auto st_p = st_v._entries_p;						\
-  auto st_perm = st_v._permute_type;					\
-  accelerator_forNB( ss, NN, Simd::Nsimd(), {				\
-      int sF = ss;							\
-      int sU = ss/Ls;							\
-      WilsonKernels<Impl>::A(st_perm,st_p,U_p,buf,sF,sU,in_p,out_p);	\
-    });									\
-  accelerator_barrier();
 
 #define KERNEL_CALLNB(A)						\
   const uint64_t    NN = Nsite*Ls;					\
@@ -448,11 +430,11 @@ void WilsonKernels<Impl>::DhopDirKernel( StencilImpl &st, DoubledGaugeField &U,S
       int sF = ptr[ss];							\
       int sU = ss/Ls;							\
       WilsonKernels<Impl>::A(st_v,U_v,buf,sF,sU,in_v,out_v);		\
-    });									\
-  accelerator_barrier();
+    });									
 
 #define ASM_CALL(A)							\
-  thread_for( ss, Nsite, {						\
+  thread_for( sss, Nsite, {						\
+    int ss = st.lo->Reorder(sss);					\
     int sU = ss;							\
     int sF = ss*Ls;							\
     WilsonKernels<Impl>::A(st_v,U_v,buf,sF,sU,Ls,1,in_v,out_v);		\
@@ -471,7 +453,7 @@ void WilsonKernels<Impl>::DhopKernel(int Opt,StencilImpl &st,  DoubledGaugeField
    if( interior && exterior ) {
      if (Opt == WilsonKernelsStatic::OptGeneric    ) { KERNEL_CALL(GenericDhopSite); return;}
 #ifdef SYCL_HACK     
-     if (Opt == WilsonKernelsStatic::OptHandUnroll ) { KERNEL_CALL_TMP(HandDhopSiteSycl);    return; }
+     if (Opt == WilsonKernelsStatic::OptHandUnroll ) { KERNEL_CALL(HandDhopSiteSycl);    return; }
 #else
      if (Opt == WilsonKernelsStatic::OptHandUnroll ) { KERNEL_CALL(HandDhopSite);    return;}
 #endif     
@@ -509,6 +491,7 @@ void WilsonKernels<Impl>::DhopKernel(int Opt,StencilImpl &st,  DoubledGaugeField
 #ifndef GRID_CUDA
      if (Opt == WilsonKernelsStatic::OptInlineAsm  ) {  ASM_CALL(AsmDhopSiteDag);     return;}
 #endif
+     acceleratorFenceComputeStream();
    } else if( interior ) {
      if (Opt == WilsonKernelsStatic::OptGeneric    ) { KERNEL_CALL(GenericDhopSiteDagInt); return;}
      if (Opt == WilsonKernelsStatic::OptHandUnroll ) { KERNEL_CALL(HandDhopSiteDagInt);    return;}
@@ -516,11 +499,13 @@ void WilsonKernels<Impl>::DhopKernel(int Opt,StencilImpl &st,  DoubledGaugeField
      if (Opt == WilsonKernelsStatic::OptInlineAsm  ) {  ASM_CALL(AsmDhopSiteDagInt);     return;}
 #endif
    } else if( exterior ) {
+     acceleratorFenceComputeStream();
      if (Opt == WilsonKernelsStatic::OptGeneric    ) { KERNEL_CALL(GenericDhopSiteDagExt); return;}
      if (Opt == WilsonKernelsStatic::OptHandUnroll ) { KERNEL_CALL(HandDhopSiteDagExt);    return;}
 #ifndef GRID_CUDA
      if (Opt == WilsonKernelsStatic::OptInlineAsm  ) {  ASM_CALL(AsmDhopSiteDagExt);     return;}
 #endif
+     acceleratorFenceComputeStream();
    }
    assert(0 && " Kernel optimisation case not covered ");
   }

Grid/qcd/action/fermion/instantiation/WilsonImplD2/CayleyFermion5DInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../CayleyFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/ContinuedFractionFermion5DInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../ContinuedFractionFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/DomainWallEOFAFermionInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../DomainWallEOFAFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/MobiusEOFAFermionInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../MobiusEOFAFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/PartialFractionFermion5DInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../PartialFractionFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/WilsonCloverFermionInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonCloverFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/WilsonFermion5DInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/WilsonFermionInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/WilsonKernelsInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonKernelsInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/WilsonTMFermionInstantiationWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonTMFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/WilsonImplD2/impl.h

@@ -0,0 +1 @@
+#define IMPLEMENTATION WilsonImplD2

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/CayleyFermion5DInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../CayleyFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/ContinuedFractionFermion5DInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../ContinuedFractionFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/DomainWallEOFAFermionInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../DomainWallEOFAFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/MobiusEOFAFermionInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../MobiusEOFAFermionInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/PartialFractionFermion5DInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../PartialFractionFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/WilsonFermion5DInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonFermion5DInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/WilsonKernelsInstantiationZWilsonImplD2.cc

@@ -0,0 +1 @@
+../WilsonKernelsInstantiation.cc.master

Grid/qcd/action/fermion/instantiation/ZWilsonImplD2/impl.h

@@ -0,0 +1 @@
+#define IMPLEMENTATION ZWilsonImplD2

Grid/qcd/action/fermion/instantiation/generate_instantiations.sh

@@ -9,6 +9,7 @@ STAG5_IMPL_LIST=""
 WILSON_IMPL_LIST=" \
 	   WilsonImplF \
 	   WilsonImplD \
+	   WilsonImplD2 \
 	   WilsonAdjImplF \
 	   WilsonAdjImplD \
 	   WilsonTwoIndexSymmetricImplF \
@@ -25,8 +26,9 @@ COMPACT_WILSON_IMPL_LIST=" \
 DWF_IMPL_LIST=" \
 	   WilsonImplF \
 	   WilsonImplD \
+	   WilsonImplD2 \
 	   ZWilsonImplF \
-	   ZWilsonImplD "
+	   ZWilsonImplD2 "
 
 GDWF_IMPL_LIST=" \
 	   GparityWilsonImplF \

Grid/qcd/action/filters/DDHMCFilter.h

@@ -91,6 +91,19 @@ struct DDHMCFilter: public MomentumFilterBase<GaugeField>
 	  U_mu = where(mod(coor,B1)==Integer(B1-4),zzz_mu,U_mu); 
 	  PokeIndex<LorentzIndex>(U, U_mu, mu);
 	}
+	if ( Width==4) { 
+	  U    = where(mod(coor,B1)==Integer(B1-4),zzz,U);
+	  U    = where(mod(coor,B1)==Integer(B1-3),zzz,U);
+	  U    = where(mod(coor,B1)==Integer(B1-2),zzz,U);
+	  U    = where(mod(coor,B1)==Integer(B1-1),zzz,U);
+	  U    = where(mod(coor,B1)==Integer(0)   ,zzz,U); 
+	  U    = where(mod(coor,B1)==Integer(1)   ,zzz,U); 
+	  U    = where(mod(coor,B1)==Integer(2)   ,zzz,U); 
+	  U    = where(mod(coor,B1)==Integer(3)   ,zzz,U); 
+	  auto U_mu   = PeekIndex<LorentzIndex>(U,mu);
+	  U_mu = where(mod(coor,B1)==Integer(B1-5),zzz_mu,U_mu); 
+	  PokeIndex<LorentzIndex>(U, U_mu, mu);
+	}
       }
 
     }

Grid/qcd/action/filters/MomentumFilter.h

@@ -38,6 +38,7 @@ NAMESPACE_BEGIN(Grid);
 template<typename MomentaField>
 struct MomentumFilterBase{
   virtual void applyFilter(MomentaField &P) const = 0;
+  virtual ~MomentumFilterBase(){};
 };
 
 //Do nothing
@@ -83,7 +84,6 @@ struct MomentumFilterApplyPhase: public MomentumFilterBase<MomentaField>{
     
   }
 
-
 };
 
 

Grid/qcd/action/gauge/Photon.h

@@ -49,7 +49,7 @@ NAMESPACE_BEGIN(Grid);
     
     typedef Lattice<SiteLink>  LinkField;
     typedef Lattice<SiteField> Field;
-    typedef Field              ComplexField;
+    typedef LinkField          ComplexField;
   };
   
   typedef QedGImpl<vComplex> QedGImplR;

Grid/qcd/action/pseudofermion/GeneralEvenOddRationalRatio.h

@@ -59,7 +59,7 @@ NAMESPACE_BEGIN(Grid);
 
       typedef RationalActionParams Params;
       Params param;
-
+      RealD  RefreshAction;
       //For action evaluation
       MultiShiftFunction ApproxPowerAction   ;  //rational approx for X^{1/inv_pow}
       MultiShiftFunction ApproxNegPowerAction;  //rational approx for X^{-1/inv_pow}
@@ -115,6 +115,54 @@ NAMESPACE_BEGIN(Grid);
       
     public:
 
+      // allow non-uniform tolerances 
+      void SetTolerances(std::vector<RealD> action_tolerance,std::vector<RealD> md_tolerance)
+      {
+	assert(action_tolerance.size()==ApproxPowerAction.tolerances.size());
+	assert(    md_tolerance.size()==ApproxPowerMD.tolerances.size());
+	
+	// Fix up the tolerances
+	for(int i=0;i<ApproxPowerAction.tolerances.size();i++){
+	  ApproxPowerAction.tolerances[i]       = action_tolerance[i];
+	  ApproxNegPowerAction.tolerances[i]    = action_tolerance[i];
+	  ApproxHalfPowerAction.tolerances[i]   = action_tolerance[i];
+	  ApproxNegHalfPowerAction.tolerances[i]= action_tolerance[i];
+	  ApproxPowerMD.tolerances[i]       = md_tolerance[i];
+	  ApproxNegPowerMD.tolerances[i]    = md_tolerance[i];
+	  ApproxHalfPowerMD.tolerances[i]   = md_tolerance[i];
+	  ApproxNegHalfPowerMD.tolerances[i]= md_tolerance[i];
+	}
+	
+	// Print out - could deprecate
+	for(int i=0;i<ApproxPowerMD.tolerances.size();i++) {
+	  std::cout<<GridLogMessage << " ApproxPowerMD shift["<<i<<"] "
+		   <<" pole    "<<ApproxPowerMD.poles[i]
+		   <<" residue "<<ApproxPowerMD.residues[i]
+		   <<" tol     "<<ApproxPowerMD.tolerances[i]<<std::endl;
+	}
+	/*
+	  for(int i=0;i<ApproxNegPowerMD.tolerances.size();i++) {
+	  std::cout<<GridLogMessage << " ApproxNegPowerMD shift["<<i<<"] "
+		   <<" pole    "<<ApproxNegPowerMD.poles[i]
+		   <<" residue "<<ApproxNegPowerMD.residues[i]
+		   <<" tol     "<<ApproxNegPowerMD.tolerances[i]<<std::endl;
+	}
+	for(int i=0;i<ApproxHalfPowerMD.tolerances.size();i++) {
+	  std::cout<<GridLogMessage << " ApproxHalfPowerMD shift["<<i<<"] "
+		   <<" pole    "<<ApproxHalfPowerMD.poles[i]
+		   <<" residue "<<ApproxHalfPowerMD.residues[i]
+		   <<" tol     "<<ApproxHalfPowerMD.tolerances[i]<<std::endl;
+	}
+	for(int i=0;i<ApproxNegHalfPowerMD.tolerances.size();i++) {
+	  std::cout<<GridLogMessage << " ApproxNegHalfPowerMD shift["<<i<<"] "
+		   <<" pole    "<<ApproxNegHalfPowerMD.poles[i]
+		   <<" residue "<<ApproxNegHalfPowerMD.residues[i]
+		   <<" tol     "<<ApproxNegHalfPowerMD.tolerances[i]<<std::endl;
+	}
+	*/
+	
+      }
+      
       GeneralEvenOddRatioRationalPseudoFermionAction(FermionOperator<Impl>  &_NumOp, 
 						     FermionOperator<Impl>  &_DenOp, 
 						     const Params & p
@@ -149,6 +197,11 @@ NAMESPACE_BEGIN(Grid);
 	    ApproxNegHalfPowerMD.tolerances[i] = ApproxHalfPowerMD.tolerances[i] = param.md_tolerance;
 	}
 
+	std::vector<RealD> action_tolerance(ApproxHalfPowerAction.tolerances.size(),param.action_tolerance);
+	std::vector<RealD> md_tolerance    (ApproxHalfPowerMD.tolerances.size(),param.md_tolerance);
+
+	SetTolerances(action_tolerance, md_tolerance);
+	
 	std::cout<<GridLogMessage << action_name() << " initialize: complete" << std::endl;
       };
 
@@ -217,12 +270,19 @@ NAMESPACE_BEGIN(Grid);
 	assert(NumOp.ConstEE() == 1);
 	assert(DenOp.ConstEE() == 1);
 	PhiEven = Zero();
-	std::cout<<GridLogMessage << action_name() << " refresh: starting" << std::endl;
+
+	RefreshAction = norm2( etaOdd );
+        std::cout<<GridLogMessage << action_name() << " refresh: action is " << RefreshAction << std::endl;
       };
 
       //////////////////////////////////////////////////////
       // S_f = chi^dag* P(V^dag*V)/Q(V^dag*V)* N(M^dag*M)/D(M^dag*M)* P(V^dag*V)/Q(V^dag*V)* chi       
       //////////////////////////////////////////////////////
+      virtual RealD Sinitial(const GaugeField &U) {
+	std::cout << GridLogMessage << "Returning stored two flavour refresh action "<<RefreshAction<<std::endl;
+	return RefreshAction;
+      }
+
       virtual RealD S(const GaugeField &U) {
 	std::cout<<GridLogMessage << action_name() << " compute action: starting" << std::endl;
 	ImportGauge(U);

Grid/qcd/action/pseudofermion/GeneralEvenOddRationalRatioMixedPrec.h

@@ -36,14 +36,18 @@ NAMESPACE_BEGIN(Grid);
     // cf. GeneralEvenOddRational.h for details
     /////////////////////////////////////////////////////////////////////////////////////////////////////////////
       
-    template<class ImplD, class ImplF>
+    template<class ImplD, class ImplF, class ImplD2>
     class GeneralEvenOddRatioRationalMixedPrecPseudoFermionAction : public GeneralEvenOddRatioRationalPseudoFermionAction<ImplD> {
     private:
+      typedef typename ImplD2::FermionField FermionFieldD2;
       typedef typename ImplD::FermionField FermionFieldD;
       typedef typename ImplF::FermionField FermionFieldF;
 
       FermionOperator<ImplD> & NumOpD;
       FermionOperator<ImplD> & DenOpD;
+
+      FermionOperator<ImplD2> & NumOpD2;
+      FermionOperator<ImplD2> & DenOpD2;
      
       FermionOperator<ImplF> & NumOpF;
       FermionOperator<ImplF> & DenOpF;
@@ -53,37 +57,70 @@ NAMESPACE_BEGIN(Grid);
 
       //Allow derived classes to override the multishift CG
       virtual void multiShiftInverse(bool numerator, const MultiShiftFunction &approx, const Integer MaxIter, const FermionFieldD &in, FermionFieldD &out){
-	SchurDifferentiableOperator<ImplD> schurOpD(numerator ? NumOpD : DenOpD);
+#if 0
+	SchurDifferentiableOperator<ImplD> schurOp(numerator ? NumOp : DenOp);
+	ConjugateGradientMultiShift<FermionFieldD> msCG(MaxIter, approx);
+	msCG(schurOp,in, out);
+#else
+	SchurDifferentiableOperator<ImplD2> schurOpD2(numerator ? NumOpD2 : DenOpD2);
 	SchurDifferentiableOperator<ImplF> schurOpF(numerator ? NumOpF : DenOpF);
-
-	ConjugateGradientMultiShiftMixedPrec<FermionFieldD, FermionFieldF> msCG(MaxIter, approx, NumOpF.FermionRedBlackGrid(), schurOpF, ReliableUpdateFreq);
-	msCG(schurOpD, in, out);
+	FermionFieldD2 inD2(NumOpD2.FermionRedBlackGrid());
+	FermionFieldD2 outD2(NumOpD2.FermionRedBlackGrid());
+	
+	ConjugateGradientMultiShiftMixedPrec<FermionFieldD2, FermionFieldF> msCG(MaxIter, approx, NumOpF.FermionRedBlackGrid(), schurOpF, ReliableUpdateFreq);
+	precisionChange(inD2,in);
+	std::cout << "msCG single solve "<<norm2(inD2)<<" " <<norm2(in)<<std::endl;
+	msCG(schurOpD2, inD2, outD2);
+	precisionChange(out,outD2);
+#endif
       }
       virtual void multiShiftInverse(bool numerator, const MultiShiftFunction &approx, const Integer MaxIter, const FermionFieldD &in, std::vector<FermionFieldD> &out_elems, FermionFieldD &out){
-	SchurDifferentiableOperator<ImplD> schurOpD(numerator ? NumOpD : DenOpD);
+	SchurDifferentiableOperator<ImplD2> schurOpD2(numerator ? NumOpD2 : DenOpD2);
 	SchurDifferentiableOperator<ImplF> schurOpF(numerator ? NumOpF : DenOpF);
 
-	ConjugateGradientMultiShiftMixedPrec<FermionFieldD, FermionFieldF> msCG(MaxIter, approx, NumOpF.FermionRedBlackGrid(), schurOpF, ReliableUpdateFreq);
-	msCG(schurOpD, in, out_elems, out);
+	FermionFieldD2 inD2(NumOpD2.FermionRedBlackGrid());
+	FermionFieldD2 outD2(NumOpD2.FermionRedBlackGrid());
+	std::vector<FermionFieldD2> out_elemsD2(out_elems.size(),NumOpD2.FermionRedBlackGrid());
+	ConjugateGradientMultiShiftMixedPrec<FermionFieldD2, FermionFieldF> msCG(MaxIter, approx, NumOpF.FermionRedBlackGrid(), schurOpF, ReliableUpdateFreq);
+	precisionChange(inD2,in);
+	std::cout << "msCG in "<<norm2(inD2)<<" " <<norm2(in)<<std::endl;
+	msCG(schurOpD2, inD2, out_elemsD2, outD2);
+	precisionChange(out,outD2);
+	for(int i=0;i<out_elems.size();i++){
+	  precisionChange(out_elems[i],out_elemsD2[i]);
+	}
       }
       //Allow derived classes to override the gauge import
       virtual void ImportGauge(const typename ImplD::GaugeField &Ud){
+
 	typename ImplF::GaugeField Uf(NumOpF.GaugeGrid());
+	typename ImplD2::GaugeField Ud2(NumOpD2.GaugeGrid());
 	precisionChange(Uf, Ud);
+	precisionChange(Ud2, Ud);
+
+	std::cout << "Importing "<<norm2(Ud)<<" "<< norm2(Uf)<<" " << norm2(Ud2)<<std::endl;
 	
 	NumOpD.ImportGauge(Ud);
 	DenOpD.ImportGauge(Ud);
 
 	NumOpF.ImportGauge(Uf);
 	DenOpF.ImportGauge(Uf);
+
+	NumOpD2.ImportGauge(Ud2);
+	DenOpD2.ImportGauge(Ud2);
       }
       
     public:
       GeneralEvenOddRatioRationalMixedPrecPseudoFermionAction(FermionOperator<ImplD>  &_NumOpD, FermionOperator<ImplD>  &_DenOpD, 
 							      FermionOperator<ImplF>  &_NumOpF, FermionOperator<ImplF>  &_DenOpF, 
+							      FermionOperator<ImplD2>  &_NumOpD2, FermionOperator<ImplD2>  &_DenOpD2, 
 							      const RationalActionParams & p, Integer _ReliableUpdateFreq
 							      ) : GeneralEvenOddRatioRationalPseudoFermionAction<ImplD>(_NumOpD, _DenOpD, p),
-								  ReliableUpdateFreq(_ReliableUpdateFreq), NumOpD(_NumOpD), DenOpD(_DenOpD), NumOpF(_NumOpF), DenOpF(_DenOpF){}
+								  ReliableUpdateFreq(_ReliableUpdateFreq),
+								  NumOpD(_NumOpD), DenOpD(_DenOpD),
+								  NumOpF(_NumOpF), DenOpF(_DenOpF),
+								  NumOpD2(_NumOpD2), DenOpD2(_DenOpD2)
+      {}
       
       virtual std::string action_name(){return "GeneralEvenOddRatioRationalMixedPrecPseudoFermionAction";}
     };

Grid/qcd/action/pseudofermion/OneFlavourEvenOddRationalRatio.h

@@ -67,6 +67,39 @@ NAMESPACE_BEGIN(Grid);
       virtual std::string action_name(){return "OneFlavourEvenOddRatioRationalPseudoFermionAction";}      
     };
 
+    template<class Impl,class ImplF,class ImplD2>
+    class OneFlavourEvenOddRatioRationalMixedPrecPseudoFermionAction
+      : public GeneralEvenOddRatioRationalMixedPrecPseudoFermionAction<Impl,ImplF,ImplD2> {
+    public:
+      typedef OneFlavourRationalParams Params;
+    private:
+      static RationalActionParams transcribe(const Params &in){
+	RationalActionParams out;
+	out.inv_pow = 2;
+	out.lo = in.lo;
+	out.hi = in.hi;
+	out.MaxIter = in.MaxIter;
+	out.action_tolerance = out.md_tolerance = in.tolerance;
+	out.action_degree = out.md_degree = in.degree;
+	out.precision = in.precision;
+	out.BoundsCheckFreq = in.BoundsCheckFreq;
+	return out;
+      }
+
+    public:
+      OneFlavourEvenOddRatioRationalMixedPrecPseudoFermionAction(FermionOperator<Impl>  &_NumOp, 
+								 FermionOperator<Impl>  &_DenOp, 
+								 FermionOperator<ImplF>  &_NumOpF, 
+								 FermionOperator<ImplF>  &_DenOpF, 
+								 FermionOperator<ImplD2>  &_NumOpD2, 
+								 FermionOperator<ImplD2>  &_DenOpD2, 
+								 const Params & p, Integer ReliableUpdateFreq
+							) : 
+	GeneralEvenOddRatioRationalMixedPrecPseudoFermionAction<Impl,ImplF,ImplD2>(_NumOp, _DenOp,_NumOpF, _DenOpF,_NumOpD2, _DenOpD2, transcribe(p),ReliableUpdateFreq){}
+
+      virtual std::string action_name(){return "OneFlavourEvenOddRatioRationalPseudoFermionAction";}      
+    };
+
 NAMESPACE_END(Grid);
 
 #endif

Grid/qcd/action/pseudofermion/OneFlavourRationalRatio.h

@@ -85,7 +85,12 @@ NAMESPACE_BEGIN(Grid);
 	PowerNegQuarter.Init(remez,param.tolerance,true);
       };
 
-      virtual std::string action_name(){return "OneFlavourRatioRationalPseudoFermionAction";}
+      virtual std::string action_name(){
+	std::stringstream sstream;
+	sstream<<"OneFlavourRatioRationalPseudoFermionAction("
+	       <<DenOp.Mass()<<") / det("<<NumOp.Mass()<<")";
+	return sstream.str();
+      }
       
       virtual std::string LogParameters(){
 	std::stringstream sstream;

Grid/qcd/action/pseudofermion/TwoFlavourEvenOddRatio.h

@@ -38,7 +38,7 @@ NAMESPACE_BEGIN(Grid);
     class TwoFlavourEvenOddRatioPseudoFermionAction : public Action<typename Impl::GaugeField> {
     public:
       INHERIT_IMPL_TYPES(Impl);
-
+      
     private:
       FermionOperator<Impl> & NumOp;// the basic operator
       FermionOperator<Impl> & DenOp;// the basic operator
@@ -50,6 +50,8 @@ NAMESPACE_BEGIN(Grid);
       FermionField PhiOdd;   // the pseudo fermion field for this trajectory
       FermionField PhiEven;  // the pseudo fermion field for this trajectory
 
+      RealD RefreshAction;
+      
     public:
       TwoFlavourEvenOddRatioPseudoFermionAction(FermionOperator<Impl>  &_NumOp, 
                                                 FermionOperator<Impl>  &_DenOp, 
@@ -110,33 +112,60 @@ NAMESPACE_BEGIN(Grid);
         // NumOp == V
         // DenOp == M
         //
+    AUDIT();
         FermionField etaOdd (NumOp.FermionRedBlackGrid());
         FermionField etaEven(NumOp.FermionRedBlackGrid());
         FermionField tmp    (NumOp.FermionRedBlackGrid());
 
+    AUDIT();
         pickCheckerboard(Even,etaEven,eta);
+    AUDIT();
         pickCheckerboard(Odd,etaOdd,eta);
 
+    AUDIT();
         NumOp.ImportGauge(U);
+    AUDIT();
         DenOp.ImportGauge(U);
+	std::cout << " TwoFlavourRefresh:  Imported gauge "<<std::endl;
+    AUDIT();
 
         SchurDifferentiableOperator<Impl> Mpc(DenOp);
+    AUDIT();
         SchurDifferentiableOperator<Impl> Vpc(NumOp);
+    AUDIT();
 
+	std::cout << " TwoFlavourRefresh: Diff ops "<<std::endl;
+    AUDIT();
         // Odd det factors
         Mpc.MpcDag(etaOdd,PhiOdd);
+    AUDIT();
+	std::cout << " TwoFlavourRefresh: MpcDag "<<std::endl;
         tmp=Zero();
+    AUDIT();
+	std::cout << " TwoFlavourRefresh: Zero() guess "<<std::endl;
+    AUDIT();
         HeatbathSolver(Vpc,PhiOdd,tmp);
+    AUDIT();
+	std::cout << " TwoFlavourRefresh: Heatbath solver "<<std::endl;
         Vpc.Mpc(tmp,PhiOdd);            
+	std::cout << " TwoFlavourRefresh: Mpc "<<std::endl;
 
         // Even det factors
         DenOp.MooeeDag(etaEven,tmp);
         NumOp.MooeeInvDag(tmp,PhiEven);
+	std::cout << " TwoFlavourRefresh: Mee "<<std::endl;
+
+	RefreshAction = norm2(etaEven)+norm2(etaOdd);
+	std::cout << " refresh " <<action_name()<< " action "<<RefreshAction<<std::endl;
       };
 
       //////////////////////////////////////////////////////
       // S = phi^dag V (Mdag M)^-1 Vdag phi
       //////////////////////////////////////////////////////
+      virtual RealD Sinitial(const GaugeField &U) {
+	std::cout << GridLogMessage << "Returning stored two flavour refresh action "<<RefreshAction<<std::endl;
+	return RefreshAction;
+      }
       virtual RealD S(const GaugeField &U) {
 
         NumOp.ImportGauge(U);

Grid/qcd/action/scalar/ScalarInteractionAction.h

@@ -47,7 +47,7 @@ private:
   const unsigned int N = Impl::Group::Dimension;
 
   typedef typename Field::vector_object vobj;
-  typedef CartesianStencil<vobj, vobj,int> Stencil;
+  typedef CartesianStencil<vobj, vobj,DefaultImplParams> Stencil;
 
   SimpleCompressor<vobj> compressor;
   int npoint = 2 * Ndim;
@@ -82,7 +82,7 @@ public:
   virtual RealD S(const Field &p)
   {
     assert(p.Grid()->Nd() == Ndim);
-    static Stencil phiStencil(p.Grid(), npoint, 0, directions, displacements,0);
+    static Stencil phiStencil(p.Grid(), npoint, 0, directions, displacements);
     phiStencil.HaloExchange(p, compressor);
     Field action(p.Grid()), pshift(p.Grid()), phisquared(p.Grid());
     phisquared = p * p;
@@ -133,7 +133,7 @@ public:
     double interm_t = usecond();
 
     // move this outside
-    static Stencil phiStencil(p.Grid(), npoint, 0, directions, displacements,0);
+    static Stencil phiStencil(p.Grid(), npoint, 0, directions, displacements);
 
     phiStencil.HaloExchange(p, compressor);
     double halo_t = usecond();

Grid/qcd/hmc/HMC.h

@@ -53,6 +53,7 @@ struct HMCparameters: Serializable {
                                   Integer, Trajectories, /* @brief Number of sweeps in this run */
                                   bool, MetropolisTest,
                                   Integer, NoMetropolisUntil,
+				  bool, PerformRandomShift, /* @brief Randomly shift the gauge configuration at the start of a trajectory */
                                   std::string, StartingType,
                                   IntegratorParameters, MD)
 
@@ -63,6 +64,7 @@ struct HMCparameters: Serializable {
     StartTrajectory   = 0;
     Trajectories      = 10;
     StartingType      = "HotStart";
+    PerformRandomShift = true;
     /////////////////////////////////
   }
 
@@ -83,6 +85,7 @@ struct HMCparameters: Serializable {
     std::cout << GridLogMessage << "[HMC parameters] Start trajectory        : " << StartTrajectory << "\n";
     std::cout << GridLogMessage << "[HMC parameters] Metropolis test (on/off): " << std::boolalpha << MetropolisTest << "\n";
     std::cout << GridLogMessage << "[HMC parameters] Thermalization trajs    : " << NoMetropolisUntil << "\n";
+    std::cout << GridLogMessage << "[HMC parameters] Doing random shift      : " << std::boolalpha << PerformRandomShift << "\n";
     std::cout << GridLogMessage << "[HMC parameters] Starting type           : " << StartingType << "\n";
     MD.print_parameters();
   }
@@ -95,6 +98,7 @@ private:
   const HMCparameters Params;
 
   typedef typename IntegratorType::Field Field;
+  typedef typename IntegratorType::FieldImplementation FieldImplementation;
   typedef std::vector< HmcObservable<Field> * > ObsListType;
 
   //pass these from the resource manager
@@ -138,26 +142,38 @@ private:
 
     GridBase *Grid = U.Grid();
 
-    //////////////////////////////////////////////////////////////////////////////////////////////////////
-    // Mainly for DDHMC perform a random translation of U modulo volume
-    //////////////////////////////////////////////////////////////////////////////////////////////////////
-    std::cout << GridLogMessage << "--------------------------------------------------\n";
-    std::cout << GridLogMessage << "Random shifting gauge field by [";
-    for(int d=0;d<Grid->Nd();d++) {
+    if(Params.PerformRandomShift){
+#if 0
+      //////////////////////////////////////////////////////////////////////////////////////////////////////
+      // Mainly for DDHMC perform a random translation of U modulo volume
+      //////////////////////////////////////////////////////////////////////////////////////////////////////
+      std::cout << GridLogMessage << "--------------------------------------------------\n";
+      std::cout << GridLogMessage << "Random shifting gauge field by [";
 
-      int L = Grid->GlobalDimensions()[d];
+      std::vector<typename FieldImplementation::GaugeLinkField> Umu(Grid->Nd(), U.Grid());
+      for(int mu=0;mu<Grid->Nd();mu++) Umu[mu] = PeekIndex<LorentzIndex>(U, mu);
 
-      RealD rn_uniform;  random(sRNG, rn_uniform);
+      for(int d=0;d<Grid->Nd();d++) {
 
-      int shift = (int) (rn_uniform*L);
+	int L = Grid->GlobalDimensions()[d];
 
-      std::cout << shift;
-      if(d<Grid->Nd()-1) std::cout <<",";
-      else               std::cout <<"]\n";
+	RealD rn_uniform;  random(sRNG, rn_uniform);
+
+	int shift = (int) (rn_uniform*L);
+
+	std::cout << shift;
+	if(d<Grid->Nd()-1) std::cout <<",";
+	else               std::cout <<"]\n";
       
-      U = Cshift(U,d,shift);
+	//shift all fields together in a way that respects the gauge BCs
+	for(int mu=0; mu < Grid->Nd(); mu++)
+	  Umu[mu] = FieldImplementation::CshiftLink(Umu[mu],d,shift);
+
+	for(int mu=0;mu<Grid->Nd();mu++) PokeIndex<LorentzIndex>(U,Umu[mu],mu);
+      }
+      std::cout << GridLogMessage << "--------------------------------------------------\n";
+#endif	
     }
-    std::cout << GridLogMessage << "--------------------------------------------------\n";
 
     TheIntegrator.reset_timer();
     
@@ -174,7 +190,7 @@ private:
     //////////////////////////////////////////////////////////////////////////////////////////////////////
     std::cout << GridLogMessage << "--------------------------------------------------\n";
     std::cout << GridLogMessage << "Compute initial action";
-    RealD H0 = TheIntegrator.S(U);  
+    RealD H0 = TheIntegrator.Sinitial(U);  
     std::cout << GridLogMessage << "--------------------------------------------------\n";
 
     std::streamsize current_precision = std::cout.precision();

Grid/qcd/hmc/integrators/Integrator.h

@@ -63,10 +63,10 @@ public:
 };
 
 /*! @brief Class for Molecular Dynamics management */
-template <class FieldImplementation, class SmearingPolicy, class RepresentationPolicy>
+template <class FieldImplementation_, class SmearingPolicy, class RepresentationPolicy>
 class Integrator {
 protected:
-
+  typedef FieldImplementation_ FieldImplementation;
   typedef typename FieldImplementation::Field MomentaField;  //for readability
   typedef typename FieldImplementation::Field Field;
 
@@ -132,10 +132,17 @@ protected:
 
       Field& Us = Smearer.get_U(as[level].actions.at(a)->is_smeared);
       double start_force = usecond();
+
+      std::cout << GridLogMessage << "AuditForce["<<level<<"]["<<a<<"] before"<<std::endl;
+      AUDIT();
+      
       as[level].actions.at(a)->deriv_timer_start();
       as[level].actions.at(a)->deriv(Us, force);  // deriv should NOT include Ta
       as[level].actions.at(a)->deriv_timer_stop();
 
+      std::cout << GridLogMessage << "AuditForce["<<level<<"]["<<a<<"] after"<<std::endl;
+      AUDIT();
+
       std::cout << GridLogIntegrator << "Smearing (on/off): " << as[level].actions.at(a)->is_smeared << std::endl;
       auto name = as[level].actions.at(a)->action_name();
       if (as[level].actions.at(a)->is_smeared) Smearer.smeared_force(force);
@@ -143,9 +150,10 @@ protected:
       force = FieldImplementation::projectForce(force); // Ta for gauge fields
       double end_force = usecond();
 
+      //      DumpSliceNorm("force ",force,Nd-1);
       MomFilter->applyFilter(force);
-      std::cout << GridLogIntegrator << " update_P : Level [" << level <<"]["<<a <<"] "<<name<< std::endl;
-      DumpSliceNorm("force ",force,Nd-1);
+      std::cout << GridLogIntegrator << " update_P : Level [" << level <<"]["<<a <<"] "<<name<<" dt "<<ep<<  std::endl;
+      DumpSliceNorm("force filtered ",force,Nd-1);
       
       Real force_abs   = std::sqrt(norm2(force)/U.Grid()->gSites()); //average per-site norm.  nb. norm2(latt) = \sum_x norm2(latt[x]) 
       Real impulse_abs = force_abs * ep * HMC_MOMENTUM_DENOMINATOR;    
@@ -153,8 +161,9 @@ protected:
       Real force_max   = std::sqrt(maxLocalNorm2(force));
       Real impulse_max = force_max * ep * HMC_MOMENTUM_DENOMINATOR;    
 
-      as[level].actions.at(a)->deriv_log(force_abs,force_max);
+      as[level].actions.at(a)->deriv_log(force_abs,force_max,impulse_abs,impulse_max);
       
+      std::cout << GridLogIntegrator<< "["<<level<<"]["<<a<<"] dt           : " << ep <<" "<<name<<std::endl;
       std::cout << GridLogIntegrator<< "["<<level<<"]["<<a<<"] Force average: " << force_abs <<" "<<name<<std::endl;
       std::cout << GridLogIntegrator<< "["<<level<<"]["<<a<<"] Force max    : " << force_max <<" "<<name<<std::endl;
       std::cout << GridLogIntegrator<< "["<<level<<"]["<<a<<"] Fdt average  : " << impulse_abs <<" "<<name<<std::endl;
@@ -282,9 +291,11 @@ public:
       for (int actionID = 0; actionID < as[level].actions.size(); ++actionID) {
 	std::cout << GridLogMessage 
 		  << as[level].actions.at(actionID)->action_name()
-		  <<"["<<level<<"]["<< actionID<<"] : "
+		  <<"["<<level<<"]["<< actionID<<"] :\n\t\t "
 		  <<" force max " << as[level].actions.at(actionID)->deriv_max_average()
 		  <<" norm "      << as[level].actions.at(actionID)->deriv_norm_average()
+		  <<" Fdt max  "  << as[level].actions.at(actionID)->Fdt_max_average()
+		  <<" Fdt norm "  << as[level].actions.at(actionID)->Fdt_norm_average()
 		  <<" calls "     << as[level].actions.at(actionID)->deriv_num
 		  << std::endl;
       }
@@ -360,9 +371,14 @@ public:
         std::cout << GridLogMessage << "refresh [" << level << "][" << actionID << "] "<<name << std::endl;
 
         Field& Us = Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
+
+	std::cout << GridLogMessage << "AuditRefresh["<<level<<"]["<<actionID<<"] before"<<std::endl;
+	AUDIT();
 	as[level].actions.at(actionID)->refresh_timer_start();
         as[level].actions.at(actionID)->refresh(Us, sRNG, pRNG);
 	as[level].actions.at(actionID)->refresh_timer_stop();
+	std::cout << GridLogMessage << "AuditRefresh["<<level<<"]["<<actionID<<"] after"<<std::endl;
+	AUDIT();
       }
 
       // Refresh the higher representation actions
@@ -399,6 +415,7 @@ public:
     // Actions
     for (int level = 0; level < as.size(); ++level) {
       for (int actionID = 0; actionID < as[level].actions.size(); ++actionID) {
+	AUDIT();
         // get gauge field from the SmearingPolicy and
         // based on the boolean is_smeared in actionID
         Field& Us = Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
@@ -408,6 +425,7 @@ public:
    	        as[level].actions.at(actionID)->S_timer_stop();
         std::cout << GridLogMessage << "S [" << level << "][" << actionID << "] H = " << Hterm << std::endl;
         H += Hterm;
+	AUDIT();
       }
       as[level].apply(S_hireps, Representations, level, H);
     }
@@ -415,8 +433,55 @@ public:
     return H;
   }
 
+  struct _Sinitial {
+    template <class FieldType, class Repr>
+    void operator()(std::vector<Action<FieldType>*> repr_set, Repr& Rep, int level, RealD& H) {
+      
+      for (int a = 0; a < repr_set.size(); ++a) {
+	AUDIT();
+        RealD Hterm = repr_set.at(a)->Sinitial(Rep.U);
+	AUDIT();
+        std::cout << GridLogMessage << "Sinitial Level " << level << " term " << a << " H Hirep = " << Hterm << std::endl;
+        H += Hterm;
+
+      }
+    }
+  } Sinitial_hireps{};
+
+  RealD Sinitial(Field& U) 
+  {  // here also U not used
+
+    std::cout << GridLogIntegrator << "Integrator initial action\n";
+
+    RealD H = - FieldImplementation::FieldSquareNorm(P)/HMC_MOMENTUM_DENOMINATOR; // - trace (P*P)/denom
+
+    RealD Hterm;
+
+    // Actions
+    for (int level = 0; level < as.size(); ++level) {
+      for (int actionID = 0; actionID < as[level].actions.size(); ++actionID) {
+        // get gauge field from the SmearingPolicy and
+        // based on the boolean is_smeared in actionID
+        Field& Us = Smearer.get_U(as[level].actions.at(actionID)->is_smeared);
+        std::cout << GridLogMessage << "S [" << level << "][" << actionID << "] action eval " << std::endl;
+	        as[level].actions.at(actionID)->S_timer_start();
+	AUDIT();
+        Hterm = as[level].actions.at(actionID)->Sinitial(Us);
+   	        as[level].actions.at(actionID)->S_timer_stop();
+	AUDIT();
+        std::cout << GridLogMessage << "S [" << level << "][" << actionID << "] H = " << Hterm << std::endl;
+        H += Hterm;
+      }
+      as[level].apply(Sinitial_hireps, Representations, level, H);
+    }
+
+    return H;
+  }
+
+  
   void integrate(Field& U) 
   {
+    AUDIT();
     // reset the clocks
     t_U = 0;
     for (int level = 0; level < as.size(); ++level) {
@@ -434,8 +499,10 @@ public:
       assert(fabs(t_U - t_P[level]) < 1.0e-6);  // must be the same
       std::cout << GridLogIntegrator << " times[" << level << "]= " << t_P[level] << " " << t_U << std::endl;
     }
+    AUDIT();
 
     FieldImplementation::Project(U);
+    AUDIT();
 
     // and that we indeed got to the end of the trajectory
     assert(fabs(t_U - Params.trajL) < 1.0e-6);

Grid/qcd/hmc/integrators/Integrator_algorithm.h

@@ -92,10 +92,11 @@ NAMESPACE_BEGIN(Grid);
  *  P 1/2                            P 1/2
  */
 
-template <class FieldImplementation, class SmearingPolicy, class RepresentationPolicy = Representations<FundamentalRepresentation> >
-class LeapFrog : public Integrator<FieldImplementation, SmearingPolicy, RepresentationPolicy> 
+template <class FieldImplementation_, class SmearingPolicy, class RepresentationPolicy = Representations<FundamentalRepresentation> >
+class LeapFrog : public Integrator<FieldImplementation_, SmearingPolicy, RepresentationPolicy> 
 {
 public:
+  typedef FieldImplementation_ FieldImplementation;
   typedef LeapFrog<FieldImplementation, SmearingPolicy, RepresentationPolicy> Algorithm;
   INHERIT_FIELD_TYPES(FieldImplementation);
 
@@ -135,13 +136,14 @@ public:
   }
 };
 
-template <class FieldImplementation, class SmearingPolicy, class RepresentationPolicy = Representations<FundamentalRepresentation> >
-class MinimumNorm2 : public Integrator<FieldImplementation, SmearingPolicy, RepresentationPolicy> 
+template <class FieldImplementation_, class SmearingPolicy, class RepresentationPolicy = Representations<FundamentalRepresentation> >
+class MinimumNorm2 : public Integrator<FieldImplementation_, SmearingPolicy, RepresentationPolicy> 
 {
 private:
   const RealD lambda = 0.1931833275037836;
 
 public:
+  typedef FieldImplementation_ FieldImplementation;
   INHERIT_FIELD_TYPES(FieldImplementation);
 
   MinimumNorm2(GridBase* grid, IntegratorParameters Par, ActionSet<Field, RepresentationPolicy>& Aset, SmearingPolicy& Sm)
@@ -192,8 +194,8 @@ public:
   }
 };
 
-template <class FieldImplementation, class SmearingPolicy, class RepresentationPolicy = Representations<FundamentalRepresentation> >
-class ForceGradient : public Integrator<FieldImplementation, SmearingPolicy, RepresentationPolicy> 
+template <class FieldImplementation_, class SmearingPolicy, class RepresentationPolicy = Representations<FundamentalRepresentation> >
+class ForceGradient : public Integrator<FieldImplementation_, SmearingPolicy, RepresentationPolicy> 
 {
 private:
   const RealD lambda = 1.0 / 6.0;
@@ -202,6 +204,7 @@ private:
   const RealD theta = 0.0;
 
 public:
+  typedef FieldImplementation_ FieldImplementation;
   INHERIT_FIELD_TYPES(FieldImplementation);
 
   // Looks like dH scales as dt^4. tested wilson/wilson 2 level.
@@ -227,7 +230,8 @@ public:
     // Presently 4 force evals, and should have 3, so 1.33x too expensive.
     // could reduce this with sloppy CG to perhaps 1.15x too expensive
     // even without prediction.
-    this->update_P(Pfg, Ufg, level, 1.0);
+    this->update_P(Pfg, Ufg, level, fg_dt);
+    Pfg = Pfg*(1.0/fg_dt);
     this->update_U(Pfg, Ufg, fg_dt);
     this->update_P(Ufg, level, ep);
   }

Grid/qcd/modules/Registration.h

@@ -78,13 +78,13 @@ static Registrar<OneFlavourRatioEOFModule<FermionImplementationPolicy>,
 // Now a specific registration with a fermion field
 // here must instantiate CG and CR for every new fermion field type (macro!!)
 
-static Registrar< ConjugateGradientModule<WilsonFermionR::FermionField>,   
-                  HMC_SolverModuleFactory<solver_string, WilsonFermionR::FermionField, Serialiser> > __CGWFmodXMLInit("ConjugateGradient"); 
+static Registrar< ConjugateGradientModule<WilsonFermionD::FermionField>,   
+                  HMC_SolverModuleFactory<solver_string, WilsonFermionD::FermionField, Serialiser> > __CGWFmodXMLInit("ConjugateGradient"); 
 
-static Registrar< BiCGSTABModule<WilsonFermionR::FermionField>,   
-                  HMC_SolverModuleFactory<solver_string, WilsonFermionR::FermionField, Serialiser> > __BiCGWFmodXMLInit("BiCGSTAB"); 
-static Registrar< ConjugateResidualModule<WilsonFermionR::FermionField>,   
-                  HMC_SolverModuleFactory<solver_string, WilsonFermionR::FermionField, Serialiser> > __CRWFmodXMLInit("ConjugateResidual"); 
+static Registrar< BiCGSTABModule<WilsonFermionD::FermionField>,   
+                  HMC_SolverModuleFactory<solver_string, WilsonFermionD::FermionField, Serialiser> > __BiCGWFmodXMLInit("BiCGSTAB"); 
+static Registrar< ConjugateResidualModule<WilsonFermionD::FermionField>,   
+                  HMC_SolverModuleFactory<solver_string, WilsonFermionD::FermionField, Serialiser> > __CRWFmodXMLInit("ConjugateResidual"); 
 
 // add the staggered, scalar versions here
 

Grid/qcd/observables/topological_charge.h

@@ -31,15 +31,16 @@ directory
 
 NAMESPACE_BEGIN(Grid);
 
+
 struct TopologySmearingParameters : Serializable {
   GRID_SERIALIZABLE_CLASS_MEMBERS(TopologySmearingParameters,
-				  int, steps,
-				  float, step_size,
 				  int, meas_interval,
-				  float, maxTau);
+				  float, init_step_size,
+				  float, maxTau,
+				  float, tolerance);
 
-  TopologySmearingParameters(int s = 0, float ss = 0.0f, int mi = 0, float mT = 0.0f):
-    steps(s), step_size(ss), meas_interval(mi), maxTau(mT){}
+ TopologySmearingParameters(float ss = 0.0f, int mi = 0, float mT = 0.0f, float tol = 1e-4):
+  init_step_size(ss), meas_interval(mi), maxTau(mT), tolerance(tol){}
 
   template < class ReaderClass >
   TopologySmearingParameters(Reader<ReaderClass>& Reader){
@@ -97,8 +98,8 @@ public:
         
       if (Pars.do_smearing){
 	// using wilson flow by default here
-	WilsonFlow<PeriodicGimplR> WF(Pars.Smearing.steps, Pars.Smearing.step_size, Pars.Smearing.meas_interval);
-	WF.smear_adaptive(Usmear, U, Pars.Smearing.maxTau);
+	WilsonFlowAdaptive<PeriodicGimplR> WF(Pars.Smearing.init_step_size, Pars.Smearing.maxTau, Pars.Smearing.tolerance, Pars.Smearing.meas_interval);
+	WF.smear(Usmear, U);
 	Real T0   = WF.energyDensityPlaquette(Pars.Smearing.maxTau, Usmear);
 	std::cout << GridLogMessage << std::setprecision(std::numeric_limits<Real>::digits10 + 1)
 		  << "T0                : [ " << traj << " ] "<< T0 << std::endl;

Grid/qcd/smearing/WilsonFlow.h

@@ -33,27 +33,25 @@ directory
 NAMESPACE_BEGIN(Grid);
 
 template <class Gimpl>
-class WilsonFlow: public Smear<Gimpl>{
+class WilsonFlowBase: public Smear<Gimpl>{
 public:
   //Store generic measurements to take during smearing process using std::function
   typedef std::function<void(int, RealD, const typename Gimpl::GaugeField &)> FunctionType;  //int: step,  RealD: flow time,  GaugeField : the gauge field
-  
-private:
-  unsigned int Nstep;
-  RealD epsilon; //for regular smearing this is the time step, for adaptive it is the initial time step
- 
+
+protected:
   std::vector< std::pair<int, FunctionType> > functions; //The int maps to the measurement frequency
 
   mutable WilsonGaugeAction<Gimpl> SG;
-
-  //Evolve the gauge field by 1 step and update tau
-  void evolve_step(typename Gimpl::GaugeField &U, RealD &tau) const;
-  //Evolve the gauge field by 1 step and update tau and the current time step eps
-  void evolve_step_adaptive(typename Gimpl::GaugeField&U, RealD &tau, RealD &eps, RealD maxTau) const;
-
+   
 public:
   INHERIT_GIMPL_TYPES(Gimpl)
 
+  explicit WilsonFlowBase(unsigned int meas_interval =1):
+    SG(WilsonGaugeAction<Gimpl>(3.0)) {
+    // WilsonGaugeAction with beta 3.0
+    setDefaultMeasurements(meas_interval);
+  }
+    
   void resetActions(){ functions.clear(); }
 
   void addMeasurement(int meas_interval, FunctionType meas){ functions.push_back({meas_interval, meas}); }
@@ -64,34 +62,11 @@ public:
   //and output to stdout
   void setDefaultMeasurements(int topq_meas_interval = 1);
 
-  explicit WilsonFlow(unsigned int Nstep, RealD epsilon, unsigned int interval = 1):
-  Nstep(Nstep),
-    epsilon(epsilon),
-    SG(WilsonGaugeAction<Gimpl>(3.0)) {
-    // WilsonGaugeAction with beta 3.0
-    assert(epsilon > 0.0);
-    LogMessage();
-    setDefaultMeasurements(interval);
-  }
-
-  void LogMessage() {
-    std::cout << GridLogMessage
-	      << "[WilsonFlow] Nstep   : " << Nstep << std::endl;
-    std::cout << GridLogMessage
-	      << "[WilsonFlow] epsilon : " << epsilon << std::endl;
-    std::cout << GridLogMessage
-	      << "[WilsonFlow] full trajectory : " << Nstep * epsilon << std::endl;
-  }
-
-  virtual void smear(GaugeField&, const GaugeField&) const;
-
-  virtual void derivative(GaugeField&, const GaugeField&, const GaugeField&) const {
+  void derivative(GaugeField&, const GaugeField&, const GaugeField&) const override{
     assert(0);
     // undefined for WilsonFlow
   }
 
-  void smear_adaptive(GaugeField&, const GaugeField&, RealD maxTau) const;
-
   //Compute t^2 <E(t)> for time t from the plaquette
   static RealD energyDensityPlaquette(const RealD t, const GaugeField& U);
 
@@ -115,82 +90,63 @@ public:
   std::vector<RealD> flowMeasureEnergyDensityCloverleaf(const GaugeField& U, int measure_interval = 1);
 };
 
+//Basic iterative Wilson flow
+template <class Gimpl>
+class WilsonFlow: public WilsonFlowBase<Gimpl>{
+private:
+  int Nstep; //number of steps
+  RealD epsilon;  //step size
+
+  //Evolve the gauge field by 1 step of size eps and update tau
+  void evolve_step(typename Gimpl::GaugeField &U, RealD &tau) const;
+
+public:
+  INHERIT_GIMPL_TYPES(Gimpl)
+
+  //Integrate the Wilson flow for Nstep steps of size epsilon
+  WilsonFlow(const RealD epsilon, const int Nstep, unsigned int meas_interval = 1): WilsonFlowBase<Gimpl>(meas_interval), Nstep(Nstep), epsilon(epsilon){}
+
+  void smear(GaugeField& out, const GaugeField& in) const override;
+};
+
+//Wilson flow with adaptive step size
+template <class Gimpl>
+class WilsonFlowAdaptive: public WilsonFlowBase<Gimpl>{
+private:
+  RealD init_epsilon; //initial step size
+  RealD maxTau; //integrate to t=maxTau
+  RealD tolerance; //integration error tolerance
+
+  //Evolve the gauge field by 1 step and update tau and the current time step eps
+  //
+  //If the step size eps is too large that a significant integration error results,
+  //the gauge field (U) and tau will not be updated and the function will return 0; eps will be adjusted to a smaller
+  //value for the next iteration.
+  //
+  //For a successful integration step the function will return 1
+  int evolve_step_adaptive(typename Gimpl::GaugeField&U, RealD &tau, RealD &eps) const;
+
+public:
+  INHERIT_GIMPL_TYPES(Gimpl)
+
+  WilsonFlowAdaptive(const RealD init_epsilon, const RealD maxTau, const RealD tolerance, unsigned int meas_interval = 1): 
+  WilsonFlowBase<Gimpl>(meas_interval), init_epsilon(init_epsilon), maxTau(maxTau), tolerance(tolerance){}
+
+  void smear(GaugeField& out, const GaugeField& in) const override;
+};
 
 ////////////////////////////////////////////////////////////////////////////////
 // Implementations
 ////////////////////////////////////////////////////////////////////////////////
 template <class Gimpl>
-void WilsonFlow<Gimpl>::evolve_step(typename Gimpl::GaugeField &U, RealD &tau) const{
-  GaugeField Z(U.Grid());
-  GaugeField tmp(U.Grid());
-  SG.deriv(U, Z);
-  Z *= 0.25;                                  // Z0 = 1/4 * F(U)
-  Gimpl::update_field(Z, U, -2.0*epsilon);    // U = W1 = exp(ep*Z0)*W0
-
-  Z *= -17.0/8.0;
-  SG.deriv(U, tmp); Z += tmp;                 // -17/32*Z0 +Z1
-  Z *= 8.0/9.0;                               // Z = -17/36*Z0 +8/9*Z1
-  Gimpl::update_field(Z, U, -2.0*epsilon);    // U_= W2 = exp(ep*Z)*W1
-
-  Z *= -4.0/3.0;
-  SG.deriv(U, tmp); Z += tmp;                 // 4/3*(17/36*Z0 -8/9*Z1) +Z2
-  Z *= 3.0/4.0;                               // Z = 17/36*Z0 -8/9*Z1 +3/4*Z2
-  Gimpl::update_field(Z, U, -2.0*epsilon);    // V(t+e) = exp(ep*Z)*W2
-  tau += epsilon;
-}
-
-template <class Gimpl>
-void WilsonFlow<Gimpl>::evolve_step_adaptive(typename Gimpl::GaugeField &U, RealD &tau, RealD &eps, RealD maxTau) const{
-  if (maxTau - tau < eps){
-    eps = maxTau-tau;
-  }
-  //std::cout << GridLogMessage << "Integration epsilon : " << epsilon << std::endl;
-  GaugeField Z(U.Grid());
-  GaugeField Zprime(U.Grid());
-  GaugeField tmp(U.Grid()), Uprime(U.Grid());
-  Uprime = U;
-  SG.deriv(U, Z);
-  Zprime = -Z;
-  Z *= 0.25;                                  // Z0 = 1/4 * F(U)
-  Gimpl::update_field(Z, U, -2.0*eps);    // U = W1 = exp(ep*Z0)*W0
-
-  Z *= -17.0/8.0;
-  SG.deriv(U, tmp); Z += tmp;                 // -17/32*Z0 +Z1
-  Zprime += 2.0*tmp;
-  Z *= 8.0/9.0;                               // Z = -17/36*Z0 +8/9*Z1
-  Gimpl::update_field(Z, U, -2.0*eps);    // U_= W2 = exp(ep*Z)*W1
-    
-
-  Z *= -4.0/3.0;
-  SG.deriv(U, tmp); Z += tmp;                 // 4/3*(17/36*Z0 -8/9*Z1) +Z2
-  Z *= 3.0/4.0;                               // Z = 17/36*Z0 -8/9*Z1 +3/4*Z2
-  Gimpl::update_field(Z, U, -2.0*eps);    // V(t+e) = exp(ep*Z)*W2
-
-  // Ramos 
-  Gimpl::update_field(Zprime, Uprime, -2.0*eps); // V'(t+e) = exp(ep*Z')*W0
-  // Compute distance as norm^2 of the difference
-  GaugeField diffU = U - Uprime;
-  RealD diff = norm2(diffU);
-  // adjust integration step
-    
-  tau += eps;
-  //std::cout << GridLogMessage << "Adjusting integration step with distance: " << diff << std::endl;
-    
-  eps = eps*0.95*std::pow(1e-4/diff,1./3.);
-  //std::cout << GridLogMessage << "New epsilon : " << epsilon << std::endl;
-
-}
-
-
-template <class Gimpl>
-RealD WilsonFlow<Gimpl>::energyDensityPlaquette(const RealD t, const GaugeField& U){
+RealD WilsonFlowBase<Gimpl>::energyDensityPlaquette(const RealD t, const GaugeField& U){
   static WilsonGaugeAction<Gimpl> SG(3.0);
   return 2.0 * t * t * SG.S(U)/U.Grid()->gSites();
 }
 
 //Compute t^2 <E(t)> for time from the 1x1 cloverleaf form
 template <class Gimpl>
-RealD WilsonFlow<Gimpl>::energyDensityCloverleaf(const RealD t, const GaugeField& U){
+RealD WilsonFlowBase<Gimpl>::energyDensityCloverleaf(const RealD t, const GaugeField& U){
   typedef typename Gimpl::GaugeLinkField GaugeMat;
   typedef typename Gimpl::GaugeField GaugeLorentz;
 
@@ -215,7 +171,7 @@ RealD WilsonFlow<Gimpl>::energyDensityCloverleaf(const RealD t, const GaugeField
 
 
 template <class Gimpl>
-std::vector<RealD> WilsonFlow<Gimpl>::flowMeasureEnergyDensityPlaquette(GaugeField &V, const GaugeField& U, int measure_interval){
+std::vector<RealD> WilsonFlowBase<Gimpl>::flowMeasureEnergyDensityPlaquette(GaugeField &V, const GaugeField& U, int measure_interval){
   std::vector<RealD> out;
   resetActions();
   addMeasurement(measure_interval, [&out](int step, RealD t, const typename Gimpl::GaugeField &U){ 
@@ -227,13 +183,13 @@ std::vector<RealD> WilsonFlow<Gimpl>::flowMeasureEnergyDensityPlaquette(GaugeFie
 }
 
 template <class Gimpl>
-std::vector<RealD> WilsonFlow<Gimpl>::flowMeasureEnergyDensityPlaquette(const GaugeField& U, int measure_interval){
+std::vector<RealD> WilsonFlowBase<Gimpl>::flowMeasureEnergyDensityPlaquette(const GaugeField& U, int measure_interval){
   GaugeField V(U);
   return flowMeasureEnergyDensityPlaquette(V,U, measure_interval);
 }
 
 template <class Gimpl>
-std::vector<RealD> WilsonFlow<Gimpl>::flowMeasureEnergyDensityCloverleaf(GaugeField &V, const GaugeField& U, int measure_interval){
+std::vector<RealD> WilsonFlowBase<Gimpl>::flowMeasureEnergyDensityCloverleaf(GaugeField &V, const GaugeField& U, int measure_interval){
   std::vector<RealD> out;
   resetActions();
   addMeasurement(measure_interval, [&out](int step, RealD t, const typename Gimpl::GaugeField &U){ 
@@ -245,16 +201,52 @@ std::vector<RealD> WilsonFlow<Gimpl>::flowMeasureEnergyDensityCloverleaf(GaugeFi
 }
 
 template <class Gimpl>
-std::vector<RealD> WilsonFlow<Gimpl>::flowMeasureEnergyDensityCloverleaf(const GaugeField& U, int measure_interval){
+std::vector<RealD> WilsonFlowBase<Gimpl>::flowMeasureEnergyDensityCloverleaf(const GaugeField& U, int measure_interval){
   GaugeField V(U);
   return flowMeasureEnergyDensityCloverleaf(V,U, measure_interval);
 }
 
+template <class Gimpl>
+void WilsonFlowBase<Gimpl>::setDefaultMeasurements(int topq_meas_interval){
+  addMeasurement(1, [](int step, RealD t, const typename Gimpl::GaugeField &U){
+      std::cout << GridLogMessage << "[WilsonFlow] Energy density (plaq) : "  << step << "  " << t << "  " << energyDensityPlaquette(t,U) << std::endl;
+    });
+  addMeasurement(topq_meas_interval, [](int step, RealD t, const typename Gimpl::GaugeField &U){
+      std::cout << GridLogMessage << "[WilsonFlow] Top. charge           : "  << step << "  " << WilsonLoops<Gimpl>::TopologicalCharge(U) << std::endl;
+    });
+}
 
 
-//#define WF_TIMING 
+
+template <class Gimpl>
+void WilsonFlow<Gimpl>::evolve_step(typename Gimpl::GaugeField &U, RealD &tau) const{
+  GaugeField Z(U.Grid());
+  GaugeField tmp(U.Grid());
+  this->SG.deriv(U, Z);
+  Z *= 0.25;                                  // Z0 = 1/4 * F(U)
+  Gimpl::update_field(Z, U, -2.0*epsilon);    // U = W1 = exp(ep*Z0)*W0
+
+  Z *= -17.0/8.0;
+  this->SG.deriv(U, tmp); Z += tmp;                 // -17/32*Z0 +Z1
+  Z *= 8.0/9.0;                               // Z = -17/36*Z0 +8/9*Z1
+  Gimpl::update_field(Z, U, -2.0*epsilon);    // U_= W2 = exp(ep*Z)*W1
+
+  Z *= -4.0/3.0;
+  this->SG.deriv(U, tmp); Z += tmp;                 // 4/3*(17/36*Z0 -8/9*Z1) +Z2
+  Z *= 3.0/4.0;                               // Z = 17/36*Z0 -8/9*Z1 +3/4*Z2
+  Gimpl::update_field(Z, U, -2.0*epsilon);    // V(t+e) = exp(ep*Z)*W2
+  tau += epsilon;
+}
+
 template <class Gimpl>
 void WilsonFlow<Gimpl>::smear(GaugeField& out, const GaugeField& in) const{
+  std::cout << GridLogMessage
+	    << "[WilsonFlow] Nstep   : " << Nstep << std::endl;
+  std::cout << GridLogMessage
+	    << "[WilsonFlow] epsilon : " << epsilon << std::endl;
+  std::cout << GridLogMessage
+	    << "[WilsonFlow] full trajectory : " << Nstep * epsilon << std::endl;
+
   out = in;
   RealD taus = 0.;
   for (unsigned int step = 1; step <= Nstep; step++) { //step indicates the number of smearing steps applied at the time of measurement
@@ -266,37 +258,93 @@ void WilsonFlow<Gimpl>::smear(GaugeField& out, const GaugeField& in) const{
     std::cout << "Time to evolve " << diff.count() << " s\n";
 #endif
     //Perform measurements
-    for(auto const &meas : functions)
+    for(auto const &meas : this->functions)
       if( step % meas.first == 0 ) meas.second(step,taus,out);
   }
 }
 
+
+
 template <class Gimpl>
-void WilsonFlow<Gimpl>::smear_adaptive(GaugeField& out, const GaugeField& in, RealD maxTau) const{
-  out = in;
-  RealD taus = 0.;
-  RealD eps = epsilon;
-  unsigned int step = 0;
-  do{
-    step++;
-    //std::cout << GridLogMessage << "Evolution time :"<< taus << std::endl;
-    evolve_step_adaptive(out, taus, eps, maxTau);
-    //Perform measurements
-    for(auto const &meas : functions)
-      if( step % meas.first == 0 ) meas.second(step,taus,out);
-  } while (taus < maxTau);
+int WilsonFlowAdaptive<Gimpl>::evolve_step_adaptive(typename Gimpl::GaugeField &U, RealD &tau, RealD &eps) const{
+  if (maxTau - tau < eps){
+    eps = maxTau-tau;
+  }
+  //std::cout << GridLogMessage << "Integration epsilon : " << epsilon << std::endl;
+  GaugeField Z(U.Grid());
+  GaugeField Zprime(U.Grid());
+  GaugeField tmp(U.Grid()), Uprime(U.Grid()), Usave(U.Grid());
+  Uprime = U;
+  Usave = U;
+
+  this->SG.deriv(U, Z);
+  Zprime = -Z;
+  Z *= 0.25;                                  // Z0 = 1/4 * F(U)
+  Gimpl::update_field(Z, U, -2.0*eps);    // U = W1 = exp(ep*Z0)*W0
+
+  Z *= -17.0/8.0;
+  this->SG.deriv(U, tmp); Z += tmp;                 // -17/32*Z0 +Z1
+  Zprime += 2.0*tmp;
+  Z *= 8.0/9.0;                               // Z = -17/36*Z0 +8/9*Z1
+  Gimpl::update_field(Z, U, -2.0*eps);    // U_= W2 = exp(ep*Z)*W1
+    
+
+  Z *= -4.0/3.0;
+  this->SG.deriv(U, tmp); Z += tmp;                 // 4/3*(17/36*Z0 -8/9*Z1) +Z2
+  Z *= 3.0/4.0;                               // Z = 17/36*Z0 -8/9*Z1 +3/4*Z2
+  Gimpl::update_field(Z, U, -2.0*eps);    // V(t+e) = exp(ep*Z)*W2
+
+  // Ramos arXiv:1301.4388
+  Gimpl::update_field(Zprime, Uprime, -2.0*eps); // V'(t+e) = exp(ep*Z')*W0
+
+  // Compute distance using Ramos' definition
+  GaugeField diffU = U - Uprime;
+  RealD max_dist = 0;
+
+  for(int mu=0;mu<Nd;mu++){
+    typename Gimpl::GaugeLinkField diffU_mu = PeekIndex<LorentzIndex>(diffU, mu);
+    RealD dist_mu = sqrt( maxLocalNorm2(diffU_mu) ) /Nc/Nc; //maximize over sites
+    max_dist = std::max(max_dist, dist_mu); //maximize over mu
+  }
+  
+  int ret;
+  if(max_dist < tolerance) {
+    tau += eps;
+    ret = 1;
+  } else {
+    U = Usave;
+    ret = 0;
+  }
+  eps = eps*0.95*std::pow(tolerance/max_dist,1./3.);
+  std::cout << GridLogMessage << "Adaptive smearing : Distance: "<< max_dist <<" Step successful: " << ret << " New epsilon: " << eps << std::endl; 
+
+  return ret;
 }
 
 template <class Gimpl>
-void WilsonFlow<Gimpl>::setDefaultMeasurements(int topq_meas_interval){
-  addMeasurement(1, [](int step, RealD t, const typename Gimpl::GaugeField &U){
-      std::cout << GridLogMessage << "[WilsonFlow] Energy density (plaq) : "  << step << "  " << t << "  " << energyDensityPlaquette(t,U) << std::endl;
-    });
-  addMeasurement(topq_meas_interval, [](int step, RealD t, const typename Gimpl::GaugeField &U){
-      std::cout << GridLogMessage << "[WilsonFlow] Top. charge           : "  << step << "  " << WilsonLoops<Gimpl>::TopologicalCharge(U) << std::endl;
-    });
+void WilsonFlowAdaptive<Gimpl>::smear(GaugeField& out, const GaugeField& in) const{
+  std::cout << GridLogMessage
+	    << "[WilsonFlow] initial epsilon : " << init_epsilon << std::endl;
+  std::cout << GridLogMessage
+	    << "[WilsonFlow] full trajectory : " << maxTau << std::endl;
+  std::cout << GridLogMessage
+	    << "[WilsonFlow] tolerance   : " << tolerance << std::endl;
+  out = in;
+  RealD taus = 0.;
+  RealD eps = init_epsilon;
+  unsigned int step = 0;
+  do{
+    int step_success = evolve_step_adaptive(out, taus, eps); 
+    step += step_success; //step will not be incremented if the integration step fails
+
+    //Perform measurements
+    if(step_success)
+      for(auto const &meas : this->functions)
+	if( step % meas.first == 0 ) meas.second(step,taus,out);
+  } while (taus < maxTau);
 }
 
 
+
 NAMESPACE_END(Grid);
 

Grid/qcd/utils/CovariantCshift.h

@@ -227,26 +227,38 @@ namespace ConjugateBC {
   //shift = -1
   //Out(x) = U_\mu(x-mu)  | x_\mu != 0
   //       = U*_\mu(L-1)  | x_\mu == 0
+  //shift = 2
+  //Out(x) = U_\mu(x+2\hat\mu)  | x_\mu < L-2
+  //       = U*_\mu(1)  | x_\mu == L-1
+  //       = U*_\mu(0)  | x_\mu == L-2
+  //shift = -2
+  //Out(x) = U_\mu(x-2mu)  | x_\mu > 1
+  //       = U*_\mu(L-2)  | x_\mu == 0
+  //       = U*_\mu(L-1)  | x_\mu == 1
+  //etc
   template<class gauge> Lattice<gauge>
   CshiftLink(const Lattice<gauge> &Link, int mu, int shift)
   {
     GridBase *grid = Link.Grid();
-    int Lmu = grid->GlobalDimensions()[mu] - 1;
+    int Lmu = grid->GlobalDimensions()[mu];
+    assert(abs(shift) < Lmu && "Invalid shift value");
 
     Lattice<iScalar<vInteger>> coor(grid);
     LatticeCoordinate(coor, mu);
 
     Lattice<gauge> tmp(grid);
-    if(shift == 1){
-      tmp = Cshift(Link, mu, 1);
-      tmp = where(coor == Lmu, conjugate(tmp), tmp);
+    if(shift > 0){
+      tmp = Cshift(Link, mu, shift);
+      tmp = where(coor >= Lmu-shift, conjugate(tmp), tmp);
       return tmp;
-    }else if(shift == -1){
+    }else if(shift < 0){
       tmp = Link;
-      tmp = where(coor == Lmu, conjugate(tmp), tmp);
-      return Cshift(tmp, mu, -1);
-    }else assert(0 && "Invalid shift value");
-    return tmp; //shuts up the compiler fussing about the return type
+      tmp = where(coor >= Lmu+shift, conjugate(tmp), tmp);
+      return Cshift(tmp, mu, shift);
+    }
+    
+    //shift == 0
+    return Link;
   }
 
 }

Grid/qcd/utils/GaugeFix.h

@@ -72,12 +72,12 @@ public:
 
   //Fix the gauge field Umu
   //0 < alpha < 1 is related to the step size, cf https://arxiv.org/pdf/1405.5812.pdf
-  static void SteepestDescentGaugeFix(GaugeLorentz &Umu,Real & alpha,int maxiter,Real Omega_tol, Real Phi_tol,bool Fourier=false,int orthog=-1,bool err_on_no_converge=true) {
+  static void SteepestDescentGaugeFix(GaugeLorentz &Umu,Real alpha,int maxiter,Real Omega_tol, Real Phi_tol,bool Fourier=false,int orthog=-1,bool err_on_no_converge=true) {
     GridBase *grid = Umu.Grid();
     GaugeMat xform(grid);
     SteepestDescentGaugeFix(Umu,xform,alpha,maxiter,Omega_tol,Phi_tol,Fourier,orthog,err_on_no_converge);
   }
-  static void SteepestDescentGaugeFix(GaugeLorentz &Umu,GaugeMat &xform,Real & alpha,int maxiter,Real Omega_tol, Real Phi_tol,bool Fourier=false,int orthog=-1,bool err_on_no_converge=true) {
+  static void SteepestDescentGaugeFix(GaugeLorentz &Umu,GaugeMat &xform,Real alpha,int maxiter,Real Omega_tol, Real Phi_tol,bool Fourier=false,int orthog=-1,bool err_on_no_converge=true) {
   //Fix the gauge field Umu and also return the gauge transformation from the original gauge field, xform
 
     GridBase *grid = Umu.Grid();

Grid/qcd/utils/SUn.h

@@ -615,7 +615,6 @@ public:
     GridBase *grid = out.Grid();
 
     typedef typename LatticeMatrixType::vector_type vector_type;
-    typedef typename LatticeMatrixType::scalar_type scalar_type;
 
     typedef iSinglet<vector_type> vTComplexType;
 

Grid/serialisation/JSON_IO.cc

@@ -26,7 +26,7 @@
     *************************************************************************************/
     /*  END LEGAL */
 #include <Grid/Grid.h>
-#if (!defined(GRID_CUDA)) && (!defined(GRID_HIP))
+#ifndef GRID_HIP
 
 NAMESPACE_BEGIN(Grid);
 
@@ -82,7 +82,7 @@ void JSONWriter::writeDefault(const std::string &s,	const std::string &x)
   if (s.size())
     ss_ << "\""<< s << "\" : \"" << os.str() << "\" ," ;
   else
-    ss_ << os.str() << " ," ;
+    ss_ << "\""<< os.str() << "\" ," ;
 }
 
 // Reader implementation ///////////////////////////////////////////////////////

Grid/serialisation/JSON_IO.h

@@ -54,7 +54,7 @@ namespace Grid
     void pop(void);
     template <typename U>
     void writeDefault(const std::string &s, const U &x);
-#ifdef __NVCC__
+#if defined(GRID_CUDA) || defined(GRID_HIP)
     void writeDefault(const std::string &s, const Grid::ComplexD &x) 
     { 
       std::complex<double> z(real(x),imag(x));
@@ -101,7 +101,7 @@ namespace Grid
     void readDefault(const std::string &s, std::vector<U> &output);
     template <typename U, typename P>
     void readDefault(const std::string &s, std::pair<U,P> &output);
-#ifdef __NVCC__
+#if defined(GRID_CUDA) || defined(GRID_HIP)
     void readDefault(const std::string &s, ComplexD &output)
     { 
       std::complex<double> z;

Grid/serialisation/Serialisation.h

@@ -36,7 +36,7 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 #include "BinaryIO.h"
 #include "TextIO.h"
 #include "XmlIO.h"
-#if (!defined(GRID_CUDA)) && (!defined(GRID_HIP))
+#ifndef GRID_HIP
 #include "JSON_IO.h"
 #endif
 

Grid/simd/Grid_a64fx-2.h

@@ -501,7 +501,7 @@ struct Conj{
 struct TimesMinusI{
   // Complex
   template <typename T>
-  inline vec<T> operator()(vec<T> a, vec<T> b){
+  inline vec<T> operator()(vec<T> a){
     vec<T> out;
     const vec<typename acle<T>::uint> tbl_swap = acle<T>::tbl_swap();
     svbool_t pg1 = acle<T>::pg1();
@@ -520,7 +520,7 @@ struct TimesMinusI{
 struct TimesI{
   // Complex
   template <typename T>
-  inline vec<T> operator()(vec<T> a, vec<T> b){
+  inline vec<T> operator()(vec<T> a){
     vec<T> out;
     const vec<typename acle<T>::uint> tbl_swap = acle<T>::tbl_swap();
     svbool_t pg1 = acle<T>::pg1();

Grid/simd/Grid_a64fx-fixedsize.h

@@ -418,7 +418,7 @@ struct Conj{
 
 struct TimesMinusI{
   // Complex float
-  inline vecf operator()(vecf a, vecf b){
+  inline vecf operator()(vecf a){
     lutf tbl_swap = acle<float>::tbl_swap();
     pred pg1 = acle<float>::pg1();
     pred pg_odd = acle<float>::pg_odd();
@@ -428,7 +428,7 @@ struct TimesMinusI{
     return svneg_m(a_v, pg_odd, a_v);
   }
   // Complex double
-  inline vecd operator()(vecd a, vecd b){
+  inline vecd operator()(vecd a){
     lutd tbl_swap = acle<double>::tbl_swap();
     pred pg1 = acle<double>::pg1();
     pred pg_odd = acle<double>::pg_odd();
@@ -441,7 +441,7 @@ struct TimesMinusI{
 
 struct TimesI{
   // Complex float
-  inline vecf operator()(vecf a, vecf b){
+  inline vecf operator()(vecf a){
     lutf tbl_swap = acle<float>::tbl_swap();
     pred pg1 = acle<float>::pg1();
     pred pg_even = acle<float>::pg_even();
@@ -451,7 +451,7 @@ struct TimesI{
     return svneg_m(a_v, pg_even, a_v);
   }
   // Complex double
-  inline vecd operator()(vecd a, vecd b){
+  inline vecd operator()(vecd a){
     lutd tbl_swap = acle<double>::tbl_swap();
     pred pg1 = acle<double>::pg1();
     pred pg_even = acle<double>::pg_even();

Grid/simd/Grid_avx.h

@@ -405,12 +405,12 @@ struct Conj{
 
 struct TimesMinusI{
   //Complex single
-  inline __m256 operator()(__m256 in, __m256 ret){
+  inline __m256 operator()(__m256 in){
     __m256 tmp =_mm256_addsub_ps(_mm256_setzero_ps(),in);   // r,-i
     return _mm256_shuffle_ps(tmp,tmp,_MM_SELECT_FOUR_FOUR(2,3,0,1)); //-i,r
   }
   //Complex double
-  inline __m256d operator()(__m256d in, __m256d ret){
+  inline __m256d operator()(__m256d in){
     __m256d tmp = _mm256_addsub_pd(_mm256_setzero_pd(),in); // r,-i
     return _mm256_shuffle_pd(tmp,tmp,0x5);
   }
@@ -418,12 +418,12 @@ struct TimesMinusI{
 
 struct TimesI{
   //Complex single
-  inline __m256 operator()(__m256 in, __m256 ret){
+  inline __m256 operator()(__m256 in){
     __m256 tmp =_mm256_shuffle_ps(in,in,_MM_SELECT_FOUR_FOUR(2,3,0,1)); // i,r
     return _mm256_addsub_ps(_mm256_setzero_ps(),tmp);          // i,-r
   }
   //Complex double
-  inline __m256d operator()(__m256d in, __m256d ret){
+  inline __m256d operator()(__m256d in){
     __m256d tmp = _mm256_shuffle_pd(in,in,0x5);
     return _mm256_addsub_pd(_mm256_setzero_pd(),tmp); // i,-r
   }