mirror of
https://github.com/paboyle/Grid.git
synced 2025-06-12 20:27:06 +01:00
Hand unrolled version of dslash in a separate class.
Useful to compare; raises Intel compiler from 9GFlop/s to 17.5 Gflops.
on ivybridge core. Raises Clang form 14.5 to 17.5
This commit is contained in:
Peter Boyle
@ -1,4 +1,3 @@
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#include <Grid.h>
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namespace Grid {
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@ -7,15 +6,7 @@ namespace QCD {
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const std::vector<int> WilsonMatrix::directions ({0,1,2,3, 0, 1, 2, 3});
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const std::vector<int> WilsonMatrix::displacements({1,1,1,1,-1,-1,-1,-1});
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// Should be in header?
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const int WilsonMatrix::Xp = 0;
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const int WilsonMatrix::Yp = 1;
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const int WilsonMatrix::Zp = 2;
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const int WilsonMatrix::Tp = 3;
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const int WilsonMatrix::Xm = 4;
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const int WilsonMatrix::Ym = 5;
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const int WilsonMatrix::Zm = 6;
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const int WilsonMatrix::Tm = 7;
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int WilsonMatrix::HandOptDslash;
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class WilsonCompressor {
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public:
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@ -39,28 +30,28 @@ const int WilsonMatrix::Tm = 7;
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mudag=(mu+Nd)%(2*Nd);
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}
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switch(mudag) {
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case WilsonMatrix::Xp:
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case Xp:
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spProjXp(ret,in);
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break;
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case WilsonMatrix::Yp:
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case Yp:
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spProjYp(ret,in);
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break;
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case WilsonMatrix::Zp:
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case Zp:
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spProjZp(ret,in);
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break;
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case WilsonMatrix::Tp:
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case Tp:
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spProjTp(ret,in);
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break;
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case WilsonMatrix::Xm:
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case Xm:
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spProjXm(ret,in);
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break;
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case WilsonMatrix::Ym:
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case Ym:
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spProjYm(ret,in);
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break;
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case WilsonMatrix::Zm:
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case Zm:
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spProjZm(ret,in);
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break;
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case WilsonMatrix::Tm:
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case Tm:
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spProjTm(ret,in);
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break;
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default:
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@ -157,316 +148,36 @@ void WilsonMatrix::MooeeInvDag(const LatticeFermion &in, LatticeFermion &out)
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MooeeInv(in,out);
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}
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void WilsonMatrix::DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
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std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
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int ss,const LatticeFermion &in, LatticeFermion &out)
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{
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vHalfSpinColourVector tmp;
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vHalfSpinColourVector chi;
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vSpinColourVector result;
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vHalfSpinColourVector Uchi;
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int offset,local,perm, ptype;
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//#define VERBOSE( A) if ( ss<10 ) { std::cout << "site " <<ss << " " #A " neigh " << offset << " perm "<< perm <<std::endl;}
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// Xp
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offset = st._offsets [Xp][ss];
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local = st._is_local[Xp][ss];
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perm = st._permute[Xp][ss];
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ptype = st._permute_type[Xp];
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if ( local && perm ) {
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spProjXp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjXp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Xp),&chi());
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spReconXp(result,Uchi);
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// Yp
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offset = st._offsets [Yp][ss];
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local = st._is_local[Yp][ss];
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perm = st._permute[Yp][ss];
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ptype = st._permute_type[Yp];
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if ( local && perm ) {
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spProjYp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjYp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Yp),&chi());
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accumReconYp(result,Uchi);
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// Zp
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offset = st._offsets [Zp][ss];
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local = st._is_local[Zp][ss];
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perm = st._permute[Zp][ss];
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ptype = st._permute_type[Zp];
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if ( local && perm ) {
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spProjZp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjZp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Zp),&chi());
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accumReconZp(result,Uchi);
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// Tp
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offset = st._offsets [Tp][ss];
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local = st._is_local[Tp][ss];
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perm = st._permute[Tp][ss];
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ptype = st._permute_type[Tp];
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if ( local && perm ) {
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spProjTp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjTp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Tp),&chi());
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accumReconTp(result,Uchi);
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// Xm
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offset = st._offsets [Xm][ss];
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local = st._is_local[Xm][ss];
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perm = st._permute[Xm][ss];
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ptype = st._permute_type[Xm];
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if ( local && perm )
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{
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spProjXm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjXm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Xm),&chi());
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accumReconXm(result,Uchi);
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// Ym
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offset = st._offsets [Ym][ss];
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local = st._is_local[Ym][ss];
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perm = st._permute[Ym][ss];
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ptype = st._permute_type[Ym];
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if ( local && perm ) {
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spProjYm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjYm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Ym),&chi());
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accumReconYm(result,Uchi);
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// Zm
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offset = st._offsets [Zm][ss];
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local = st._is_local[Zm][ss];
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perm = st._permute[Zm][ss];
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ptype = st._permute_type[Zm];
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if ( local && perm ) {
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spProjZm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjZm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Zm),&chi());
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accumReconZm(result,Uchi);
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// Tm
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offset = st._offsets [Tm][ss];
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local = st._is_local[Tm][ss];
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perm = st._permute[Tm][ss];
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ptype = st._permute_type[Tm];
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if ( local && perm ) {
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spProjTm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjTm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Tm),&chi());
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accumReconTm(result,Uchi);
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vstream(out._odata[ss],result);
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}
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void WilsonMatrix::DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
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std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
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int ss,const LatticeFermion &in, LatticeFermion &out)
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{
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vHalfSpinColourVector tmp;
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vHalfSpinColourVector chi;
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vSpinColourVector result;
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vHalfSpinColourVector Uchi;
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int offset,local,perm, ptype;
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// Xp
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offset = st._offsets [Xm][ss];
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local = st._is_local[Xm][ss];
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perm = st._permute[Xm][ss];
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ptype = st._permute_type[Xm];
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if ( local && perm ) {
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spProjXp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjXp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Xm),&chi());
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spReconXp(result,Uchi);
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// Yp
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offset = st._offsets [Ym][ss];
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local = st._is_local[Ym][ss];
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perm = st._permute[Ym][ss];
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ptype = st._permute_type[Ym];
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if ( local && perm ) {
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spProjYp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjYp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Ym),&chi());
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accumReconYp(result,Uchi);
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// Zp
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offset = st._offsets [Zm][ss];
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local = st._is_local[Zm][ss];
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perm = st._permute[Zm][ss];
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ptype = st._permute_type[Zm];
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if ( local && perm ) {
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spProjZp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjZp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Zm),&chi());
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accumReconZp(result,Uchi);
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// Tp
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offset = st._offsets [Tm][ss];
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local = st._is_local[Tm][ss];
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perm = st._permute[Tm][ss];
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ptype = st._permute_type[Tm];
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if ( local && perm ) {
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spProjTp(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjTp(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Tm),&chi());
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accumReconTp(result,Uchi);
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// Xm
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offset = st._offsets [Xp][ss];
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local = st._is_local[Xp][ss];
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perm = st._permute[Xp][ss];
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ptype = st._permute_type[Xp];
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if ( local && perm )
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{
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spProjXm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjXm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Xp),&chi());
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accumReconXm(result,Uchi);
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// Ym
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offset = st._offsets [Yp][ss];
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local = st._is_local[Yp][ss];
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perm = st._permute[Yp][ss];
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ptype = st._permute_type[Yp];
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if ( local && perm ) {
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spProjYm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjYm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Yp),&chi());
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accumReconYm(result,Uchi);
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// Zm
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offset = st._offsets [Zp][ss];
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local = st._is_local[Zp][ss];
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perm = st._permute[Zp][ss];
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ptype = st._permute_type[Zp];
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if ( local && perm ) {
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spProjZm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjZm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Zp),&chi());
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accumReconZm(result,Uchi);
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// Tm
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offset = st._offsets [Tp][ss];
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local = st._is_local[Tp][ss];
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perm = st._permute[Tp][ss];
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ptype = st._permute_type[Tp];
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if ( local && perm ) {
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spProjTm(tmp,in._odata[offset]);
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permute(chi,tmp,ptype);
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} else if ( local ) {
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spProjTm(chi,in._odata[offset]);
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} else {
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chi=buf[offset];
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}
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mult(&Uchi(),&U._odata[ss](Tp),&chi());
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accumReconTm(result,Uchi);
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vstream(out._odata[ss],result);
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}
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void WilsonMatrix::DhopInternal(CartesianStencil & st,LatticeDoubledGaugeField & U,
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const LatticeFermion &in, LatticeFermion &out,int dag)
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{
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assert((dag==DaggerNo) ||(dag==DaggerYes));
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WilsonCompressor compressor(dag);
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st.HaloExchange<vSpinColourVector,vHalfSpinColourVector,WilsonCompressor>(in,comm_buf,compressor);
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if ( dag == DaggerYes ) {
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if( HandOptDslash ) {
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PARALLEL_FOR_LOOP
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for(int sss=0;sss<in._grid->oSites();sss++){
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DhopSiteDag(st,U,comm_buf,sss,in,out);
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for(int sss=0;sss<in._grid->oSites();sss++){
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DiracOptHand::DhopSiteDag(st,U,comm_buf,sss,in,out);
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}
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} else {
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PARALLEL_FOR_LOOP
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for(int sss=0;sss<in._grid->oSites();sss++){
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DiracOpt::DhopSiteDag(st,U,comm_buf,sss,in,out);
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}
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}
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} else {
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if( HandOptDslash ) {
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PARALLEL_FOR_LOOP
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for(int sss=0;sss<in._grid->oSites();sss++){
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DhopSite(st,U,comm_buf,sss,in,out);
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for(int sss=0;sss<in._grid->oSites();sss++){
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DiracOptHand::DhopSite(st,U,comm_buf,sss,in,out);
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}
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} else {
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PARALLEL_FOR_LOOP
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for(int sss=0;sss<in._grid->oSites();sss++){
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DiracOpt::DhopSite(st,U,comm_buf,sss,in,out);
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}
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}
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}
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}
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@ -6,10 +6,22 @@ namespace Grid {
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namespace QCD {
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// Should be in header?
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const int Xp = 0;
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const int Yp = 1;
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const int Zp = 2;
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const int Tp = 3;
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const int Xm = 4;
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const int Ym = 5;
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const int Zm = 6;
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const int Tm = 7;
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class WilsonMatrix : public CheckerBoardedSparseMatrixBase<LatticeFermion>
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{
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//NB r=1;
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public:
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static int HandOptDslash;
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double mass;
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// GridBase * grid; // Inherited
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// GridBase * cbgrid;
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@ -56,14 +68,6 @@ namespace Grid {
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void DhopEO(const LatticeFermion &in, LatticeFermion &out,int dag);
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void DhopInternal(CartesianStencil & st,LatticeDoubledGaugeField &U,
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const LatticeFermion &in, LatticeFermion &out,int dag);
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// These ones will need to be package intelligently. WilsonType base class
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// for use by DWF etc..
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void DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
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std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
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int ss,const LatticeFermion &in, LatticeFermion &out);
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void DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
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std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
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int ss,const LatticeFermion &in, LatticeFermion &out);
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typedef iScalar<iMatrix<vComplex, Nc> > matrix;
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@ -71,6 +75,31 @@ namespace Grid {
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};
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class DiracOpt {
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public:
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// These ones will need to be package intelligently. WilsonType base class
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// for use by DWF etc..
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static void DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
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std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
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int ss,const LatticeFermion &in, LatticeFermion &out);
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static void DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
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std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
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int ss,const LatticeFermion &in, LatticeFermion &out);
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|
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};
|
||||
class DiracOptHand {
|
||||
public:
|
||||
// These ones will need to be package intelligently. WilsonType base class
|
||||
// for use by DWF etc..
|
||||
static void DhopSite(CartesianStencil &st,LatticeDoubledGaugeField &U,
|
||||
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
|
||||
int ss,const LatticeFermion &in, LatticeFermion &out);
|
||||
static void DhopSiteDag(CartesianStencil &st,LatticeDoubledGaugeField &U,
|
||||
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > &buf,
|
||||
int ss,const LatticeFermion &in, LatticeFermion &out);
|
||||
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user