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Enhanced SIMD interfacing

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This commit is contained in:
Peter Boyle 2015-05-12 20:41:44 +01:00
parent 6103c29ee3
commit 6cec662ac5
15 changed files with 43 additions and 43 deletions
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2
benchmarks/Grid_comms.cc
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@ -8,7 +8,7 @@ int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplexD::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
int Nloop=10;

4
benchmarks/Grid_memory_bandwidth.cc
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@ -13,7 +13,7 @@ int main (int argc, char ** argv)
int Nloop=1000;
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vReal::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
std::cout << "===================================================================================================="<<std::endl;
@ -55,7 +55,6 @@ int main (int argc, char ** argv)
std::cout << " L "<<"\t\t"<<"bytes"<<"\t\t"<<"GB/s"<<std::endl;
std::cout << "----------------------------------------------------------"<<std::endl;
for(int lat=4;lat<=32;lat+=4){
std::vector<int> latt_size ({lat,lat,lat,lat});
@ -69,7 +68,6 @@ int main (int argc, char ** argv)
LatticeVec y(&Grid); //random(pRNG,y);
double a=2.0;
double start=usecond();
for(int i=0;i<Nloop;i++){
z=a*x-y;

2
benchmarks/Grid_wilson.cc
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@ -22,7 +22,7 @@ int main (int argc, char ** argv)
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);

2
lib/Grid.h
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@ -71,7 +71,7 @@ namespace Grid {
// C++11 time facilities better?
double usecond(void);
const std::vector<int> &GridDefaultSimd(void);
const std::vector<int> GridDefaultSimd(int dims,int nsimd);
const std::vector<int> &GridDefaultLatt(void);
const std::vector<int> &GridDefaultMpi(void);
const int &GridThreads(void) ;

34
lib/Grid_init.cc
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@ -27,14 +27,28 @@ namespace Grid {
// Convenience functions to access stadard command line arg
// driven parallelism controls
//////////////////////////////////////////////////////
static std::vector<int> Grid_default_simd;
static std::vector<int> Grid_default_latt;
static std::vector<int> Grid_default_mpi;
int GridThread::_threads;
const std::vector<int> GridDefaultSimd(int dims,int nsimd)
{
std::vector<int> layout(dims);
int nn=nsimd;
for(int d=dims-1;d>=0;d--){
if ( nn>=2) {
layout[d]=2;
nn/=2;
} else {
layout[d]=1;
}
}
assert(nn==1);
return layout;
}
const std::vector<int> &GridDefaultSimd(void) {return Grid_default_simd;};
const std::vector<int> &GridDefaultLatt(void) {return Grid_default_latt;};
const std::vector<int> &GridDefaultMpi(void) {return Grid_default_mpi;};
@ -71,22 +85,11 @@ void GridCmdOptionIntVector(std::string &str,std::vector<int> & vec)
void GridParseLayout(char **argv,int argc,
std::vector<int> &latt,
std::vector<int> &simd,
std::vector<int> &mpi)
{
mpi =std::vector<int>({1,1,1,1});
latt=std::vector<int>({8,8,8,8});
#if defined(SSE4)
simd=std::vector<int>({1,1,1,2});
#endif
#if defined(AVX1) || defined (AVX2)
simd=std::vector<int>({1,1,2,2});
#endif
#if defined(AVX512)
simd=std::vector<int>({1,2,2,2});
#endif
GridThread::SetMaxThreads();
std::string arg;
@ -94,10 +97,6 @@ void GridParseLayout(char **argv,int argc,
arg = GridCmdOptionPayload(argv,argv+argc,"--mpi");
GridCmdOptionIntVector(arg,mpi);
}
if( GridCmdOptionExists(argv,argv+argc,"--simd") ){
arg= GridCmdOptionPayload(argv,argv+argc,"--simd");
GridCmdOptionIntVector(arg,simd);
}
if( GridCmdOptionExists(argv,argv+argc,"--grid") ){
arg= GridCmdOptionPayload(argv,argv+argc,"--grid");
GridCmdOptionIntVector(arg,latt);
@ -129,7 +128,6 @@ void Grid_init(int *argc,char ***argv)
}
GridParseLayout(*argv,*argc,
Grid_default_latt,
Grid_default_simd,
Grid_default_mpi);
}

8
lib/lattice/Grid_lattice_ET.h
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@ -67,6 +67,10 @@ inline void GridFromExpression(GridBase * &grid,const T1& lat) // Lattice leaf
}
grid=lat._grid;
}
template<class T1,typename std::enable_if<!is_lattice<T1>::value, T1>::type * = nullptr >
inline void GridFromExpression(GridBase * &grid,const T1& notlat) // non-lattice leaf
{
}
template <typename Op, typename T1>
inline void GridFromExpression(GridBase * &grid,const LatticeUnaryExpression<Op,T1 > &expr)
{
@ -86,10 +90,6 @@ inline void GridFromExpression( GridBase * &grid,const LatticeTrinaryExpression<
GridFromExpression(grid,std::get<1>(expr.second));
GridFromExpression(grid,std::get<2>(expr.second));
}
template<class T1,typename std::enable_if<!is_lattice<T1>::value, T1>::type * = nullptr >
inline void GridFromExpression(GridBase * &grid,const T1& notlat) // non-lattice leaf
{
}
////////////////////////////////////////////
// Unary operators and funcs

2
lib/lattice/Grid_lattice_arith.h
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@ -145,7 +145,7 @@ PARALLEL_FOR_LOOP
template<class sobj,class vobj>
inline void axpy(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &lhs,const Lattice<vobj> &rhs){
conformable(lhs,rhs);
PARALLEL_FOR_LOOP
#pragma omp parallel for
for(int ss=0;ss<lhs._grid->oSites();ss++){
vobj tmp = a*lhs._odata[ss];
vstream(ret._odata[ss],tmp+rhs._odata[ss]);

12
lib/lattice/Grid_lattice_base.h
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@ -64,7 +64,8 @@ public:
////////////////////////////////////////////////////////////////////////////////
template <typename Op, typename T1> inline Lattice<vobj> & operator=(const LatticeUnaryExpression<Op,T1> &expr)
{
PARALLEL_FOR_LOOP
//PARALLEL_FOR_LOOP
#pragma omp parallel for
for(int ss=0;ss<_grid->oSites();ss++){
vobj tmp= eval(ss,expr);
vstream(_odata[ss] ,tmp);
@ -73,7 +74,8 @@ PARALLEL_FOR_LOOP
}
template <typename Op, typename T1,typename T2> inline Lattice<vobj> & operator=(const LatticeBinaryExpression<Op,T1,T2> &expr)
{
PARALLEL_FOR_LOOP
// PARALLEL_FOR_LOOP
#pragma omp parallel for
for(int ss=0;ss<_grid->oSites();ss++){
vobj tmp= eval(ss,expr);
vstream(_odata[ss] ,tmp);
@ -82,7 +84,8 @@ PARALLEL_FOR_LOOP
}
template <typename Op, typename T1,typename T2,typename T3> inline Lattice<vobj> & operator=(const LatticeTrinaryExpression<Op,T1,T2,T3> &expr)
{
PARALLEL_FOR_LOOP
//PARALLEL_FOR_LOOP
#pragma omp parallel for
for(int ss=0;ss<_grid->oSites();ss++){
vobj tmp= eval(ss,expr);
vstream(_odata[ss] ,tmp);
@ -176,15 +179,16 @@ PARALLEL_FOR_LOOP
}; // class Lattice
}
#undef GRID_LATTICE_EXPRESSION_TEMPLATES
#include <lattice/Grid_lattice_conformable.h>
#define GRID_LATTICE_EXPRESSION_TEMPLATES
#ifdef GRID_LATTICE_EXPRESSION_TEMPLATES
#include <lattice/Grid_lattice_ET.h>
#else
#include <lattice/Grid_lattice_overload.h>
#endif
#include <lattice/Grid_lattice_arith.h>
#include <lattice/Grid_lattice_trace.h>

6
lib/simd/Grid_vComplexF.h
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@ -28,9 +28,9 @@ namespace Grid {
vzero(*this);
return (*this);
}
vComplexF( Zero & z){
vzero(*this);
}
// vComplexF( Zero & z){
// vzero(*this);
// }
vComplexF()=default;
vComplexF(ComplexF a){
vsplat(*this,a);

2
tests/Grid_cshift.cc
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@ -9,7 +9,7 @@ int main (int argc, char ** argv)
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Fine(latt_size,simd_layout,mpi_layout);

2
tests/Grid_gamma.cc
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@ -15,7 +15,7 @@ int main (int argc, char ** argv)
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);

2
tests/Grid_main.cc
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@ -26,7 +26,7 @@ int main (int argc, char ** argv)
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
latt_size.resize(4);

2
tests/Grid_nersc_io.cc
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@ -11,7 +11,7 @@ int main (int argc, char ** argv)
Grid_init(&argc,&argv);
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
std::vector<int> latt_size ({16,16,16,32});
std::vector<int> clatt_size ({4,4,4,8});

2
tests/Grid_simd.cc
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@ -107,7 +107,7 @@ int main (int argc, char ** argv)
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);

2
tests/Grid_stencil.cc
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@ -10,7 +10,7 @@ int main (int argc, char ** argv)
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
double volume = latt_size[0]*latt_size[1]*latt_size[2]*latt_size[3];