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Staggerd cg

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This commit is contained in:
azusayamaguchi
2017-11-24 14:18:30 +00:00
parent 25f73018f4
commit e55397bc13
4 changed files with 38 additions and 21 deletions
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14
tests/solver/Test_staggered_cg_schur.cc
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@@ -70,7 +70,21 @@ int main (int argc, char ** argv)
ConjugateGradient<FermionField> CG(1.0e-8,10000);
SchurRedBlackStaggeredSolve<FermionField> SchurSolver(CG);
double volume=1.0;
for(int mu=0;mu<Nd;mu++){
volume=volume*latt_size[mu];
}
double t1=usecond();
SchurSolver(Ds,src,result);
double t2=usecond();
// Schur solver: uses DeoDoe => volume * 1146
double ncall=CG.IterationsToComplete;
double flops=(16*(3*(6+8+8)) + 15*3*2)*volume*ncall; // == 66*16 + == 1146
std::cout<<GridLogMessage << "usec = "<< (t2-t1)<<std::endl;
std::cout<<GridLogMessage << "flop/s = "<< flops<<std::endl;
std::cout<<GridLogMessage << "mflop/s = "<< flops/(t2-t1)<<std::endl;
Grid_finalize();
}