portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-13 20:57:06 +01:00
Code Releases Activity

Staggaered fermion optimised version

Browse Source
This commit is contained in:
azusayamaguchi
2017-02-21 14:35:42 +00:00
parent 05c1924819
commit bf7e3f20d4
7 changed files with 273 additions and 197 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tests/core/Test_staggered5D.cc
View File

@ -153,7 +153,7 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
std::cout<<GridLogMessage << "Calling Ds"<<std::endl;
int ncall=1000;
int ncall=100000;
double t0=usecond();
for(int i=0;i<ncall;i++){
Ds.Dhop(src,result,0);

40
tests/core/Test_staggered5Dvec.cc
View File

@ -57,18 +57,19 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
std::vector<int> seeds({1,2,3,4});
/*
GridParallelRNG pRNG4(UGrid);
GridParallelRNG pRNG5(FGrid);
pRNG4.SeedFixedIntegers(seeds);
pRNG5.SeedFixedIntegers(seeds);
*/
typedef typename ImprovedStaggeredFermion5DR::FermionField FermionField;
typedef typename ImprovedStaggeredFermion5DR::ComplexField ComplexField;
typename ImprovedStaggeredFermion5DR::ImplParams params;
FermionField src (FGrid);
FermionField src (FGrid); src=zero;
random(pRNG5,src);
// random(pRNG5,src);
/*
std::vector<int> site({0,0,0,0,0});
ColourVector cv = zero;
@ -80,10 +81,10 @@ int main (int argc, char ** argv)
FermionField result(FGrid); result=zero;
FermionField tmp(FGrid); tmp=zero;
FermionField err(FGrid); tmp=zero;
FermionField phi (FGrid); random(pRNG5,phi);
FermionField chi (FGrid); random(pRNG5,chi);
FermionField phi (FGrid); phi=1.0;//random(pRNG5,phi);
FermionField chi (FGrid); chi=1.0;//random(pRNG5,chi);
LatticeGaugeField Umu(UGrid); SU3::HotConfiguration(pRNG4,Umu);
LatticeGaugeField Umu(UGrid); Umu=1.0; //SU3::HotConfiguration(pRNG4,Umu);
/*
for(int mu=1;mu<4;mu++){
@ -109,15 +110,18 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage<<"= Testing Dhop against cshift implementation "<<std::endl;
std::cout<<GridLogMessage<<"=========================================================="<<std::endl;
std::cout<<GridLogMessage << "Calling staggered operator"<<std::endl;
int ncall=1000;
double t0=usecond();
for(int i=0;i<ncall;i++){
int ncall1=1000;
double t0(0),t1(0);
double flops=(16*(3*(6+8+8)) + 15*3*2)*volume*ncall; // == 66*16 + == 1146
std::cout<<GridLogMessage << "Calling staggered operator"<<std::endl;
t0=usecond();
for(int i=0;i<ncall1;i++){
Ds.Dhop(src,result,0);
}
double t1=usecond();
t1=usecond();
double flops=(16*(3*(6+8+8)) + 15*3*2)*volume*ncall; // == 66*16 + == 1146
std::cout<<GridLogMessage << "Called Ds"<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(result)<<std::endl;
@ -128,7 +132,7 @@ int main (int argc, char ** argv)
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptInlineAsm;
t0=usecond();
for(int i=0;i<ncall;i++){
for(int i=0;i<ncall1;i++){
Ds.Dhop(src,tmp,0);
}
t1=usecond();
@ -139,19 +143,20 @@ int main (int argc, char ** argv)
err = tmp-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
FermionField ssrc (sFGrid); localConvert(src,ssrc);
FermionField sresult(sFGrid); sresult=zero;
QCD::StaggeredKernelsStatic::Opt=QCD::StaggeredKernelsStatic::OptHandUnroll;
t0=usecond();
for(int i=0;i<ncall;i++){
for(int i=0;i<ncall1;i++){
sDs.Dhop(ssrc,sresult,0);
}
t1=usecond();
localConvert(sresult,tmp);
std::cout<<GridLogMessage << "Called sDs"<<std::endl;
std::cout<<GridLogMessage << "Called sDs unroll"<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(sresult)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
@ -160,9 +165,9 @@ int main (int argc, char ** argv)
err = tmp-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
int extra=1;
t0=usecond();
for(int i=0;i<ncall;i++){
for(int i=0;i<ncall1*extra;i++){
sDs.Dhop(ssrc,sresult,0);
}
t1=usecond();
@ -170,11 +175,12 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage << "Called sDs asm"<<std::endl;
std::cout<<GridLogMessage << "norm result "<< norm2(sresult)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t1-t0)*extra<<std::endl;
err = tmp-result;
std::cout<<GridLogMessage << "norm diff "<< norm2(err)<<std::endl;
Grid_finalize();
}