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This commit is contained in:
Peter Boyle 2024-01-17 16:31:12 -05:00
parent 839f9f1bbe
commit d967eb53de
1 changed files with 64 additions and 29 deletions
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93
tests/debug/Test_general_coarse_hdcg_phys48.cc
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@ -182,9 +182,10 @@ int main (int argc, char ** argv)
Grid_init(&argc,&argv);
const int Ls=24;
// const int nbasis = 62;
const int nbasis = 62;
// const int nbasis = 56;
const int nbasis = 36;
// const int nbasis = 44;
// const int nbasis = 36;
const int cb = 0 ;
RealD mass=0.00078;
RealD M5=1.8;
@ -261,15 +262,19 @@ int main (int argc, char ** argv)
////////////////////////////////////////////////////////////
LittleDiracOperator LittleDiracOp(geom,FrbGrid,Coarse5d);
std::string subspace_file("/lustre/orion/phy157/proj-shared/phy157_dwf/paboyle/Subspace.phys48.rat.scidac.62");
std::string refine_file("/lustre/orion/phy157/proj-shared/phy157_dwf/paboyle/Refine.phys48.rat.scidac.62");
std::string ldop_file("/lustre/orion/phy157/proj-shared/phy157_dwf/paboyle/LittleDiracOp.phys48.rat.scidac.62");
std::string subspace_file("/lustre/orion/phy157/proj-shared/phy157_dwf/paboyle/Subspace.phys48.rat.repro.62");
std::string refine_file("/lustre/orion/phy157/proj-shared/phy157_dwf/paboyle/Refine.phys48.rat.repro.62");
std::string ldop_file("/lustre/orion/phy157/proj-shared/phy157_dwf/paboyle/LittleDiracOp.phys48.rat.repro.62");
bool load_agg=true;
bool load_refine=true;
bool load_mat=false;
bool load_mat=true;
MemoryManager::Print();
int refine=1;
if ( load_agg ) {
LoadBasis(Aggregates,subspace_file);
if ( !(refine) || (!load_refine) ) {
LoadBasis(Aggregates,subspace_file);
}
} else {
// NBASIS=40
@ -341,7 +346,6 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
}
MemoryManager::Print();
int refine=1;
if(refine){
if ( load_refine ) {
LoadBasis(Aggregates,refine_file);
@ -365,14 +369,41 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
CoarseVector c_res(Coarse5d);
CoarseVector c_ref(Coarse5d);
if (1){
///////////////////////////////////////////////////
// Test the operator
///////////////////////////////////////////////////
CoarseVector c_proj(Coarse5d);
LatticeFermionD tmp(FrbGrid);
LatticeFermionD prom(FrbGrid);
blockPromote(c_src,prom,Aggregates.subspace);
FineHermOp.HermOp(prom,tmp);
std::cout<<GridLogMessage<<" Calling big dirac op "<<norm2(tmp)<<std::endl;
blockProject(c_proj,tmp,Aggregates.subspace);
std::cout<<GridLogMessage<<" Calling little Dirac Op "<<std::endl;
LittleDiracOp.M(c_src,c_res);
std::cout<<GridLogMessage<<"Little dop : "<<norm2(c_res)<<std::endl;
std::cout<<GridLogMessage<<"Big dop in subspace : "<<norm2(c_proj)<<std::endl;
c_proj = c_proj - c_res;
std::cout<<GridLogMessage<<" ldop error: "<<norm2(c_proj)<<std::endl;
}
// Try projecting to one hop only
// LittleDiracOp.ShiftMatrix(1.0e-4);
LittleDiracOperator LittleDiracOpProj(geom_nn,FrbGrid,Coarse5d);
LittleDiracOpProj.ProjectNearestNeighbour(0.01,LittleDiracOp); // smaller shift 0.02? n
// LittleDiracOperator LittleDiracOpProj(geom_nn,FrbGrid,Coarse5d);
// LittleDiracOpProj.ProjectNearestNeighbour(0.01,LittleDiracOp); // smaller shift 0.02? n
typedef HermitianLinearOperator<LittleDiracOperator,CoarseVector> HermMatrix;
HermMatrix CoarseOp (LittleDiracOp);
HermMatrix CoarseOpProj (LittleDiracOpProj);
// HermMatrix CoarseOpProj (LittleDiracOpProj);
MemoryManager::Print();
//////////////////////////////////////////
@ -388,12 +419,12 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
// int Nm=160;
// Chebyshev<CoarseVector> IRLCheby(0.005,40.0,201); //319 HDCG iters @ 128//160 nk.
Chebyshev<CoarseVector> IRLCheby(0.04,40.0,201); //319 HDCG iters @ 128//160 nk.
// Chebyshev<CoarseVector> IRLCheby(0.04,40.0,201);
int Nk=192;
int Nm=256;
int Nstop=Nk;
// Chebyshev<CoarseVector> IRLCheby(0.010,45.0,201); // 1 iter
Chebyshev<CoarseVector> IRLCheby(0.005,40.0,201); // 1 iter
FunctionHermOp<CoarseVector> IRLOpCheby(IRLCheby,CoarseOp);
PlainHermOp<CoarseVector> IRLOp (CoarseOp);
@ -412,7 +443,7 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
// Build a coarse space solver
//////////////////////////////////////////
int maxit=30000;
ConjugateGradient<CoarseVector> CG(1.0e-8,maxit,false);
ConjugateGradient<CoarseVector> CG(1.0e-10,maxit,false);
ConjugateGradient<LatticeFermionD> CGfine(1.0e-8,30000,false);
ZeroGuesser<CoarseVector> CoarseZeroGuesser;
@ -427,8 +458,8 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
// Deflated (with real op EV's) solve for the projected coarse op
// Work towards ADEF1 in the coarse space
//////////////////////////////////////////////////////////////////////////
HPDSolver<CoarseVector> HPDSolveProj(CoarseOpProj,CG,DeflCoarseGuesser);
c_res=Zero();
// HPDSolver<CoarseVector> HPDSolveProj(CoarseOpProj,CG,DeflCoarseGuesser);
// c_res=Zero();
// HPDSolveProj(c_src,c_res);
// std::cout << GridLogMessage<<"src norm "<<norm2(c_src)<<std::endl;
// std::cout << GridLogMessage<<"res norm "<<norm2(c_res)<<std::endl;
@ -438,7 +469,7 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
//////////////////////////////////////////////////////////////////////
// Coarse ADEF1 with deflation space
//////////////////////////////////////////////////////////////////////
ChebyshevSmoother<CoarseVector > CoarseSmoother(1.0,37.,8,CoarseOpProj); // just go to sloppy 0.1 convergence
// ChebyshevSmoother<CoarseVector > CoarseSmoother(1.0,37.,8,CoarseOpProj); // just go to sloppy 0.1 convergence
// CoarseSmoother(0.1,37.,8,CoarseOpProj); //
// CoarseSmoother(0.5,37.,6,CoarseOpProj); // 8 iter 0.36s
// CoarseSmoother(0.5,37.,12,CoarseOpProj); // 8 iter, 0.55s
@ -516,9 +547,9 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
// mrhs coarse solve
// Create a higher dim coarse grid
//////////////////////////////////////////////////////////////////////////////////////
ConjugateGradient<CoarseVector> coarseCG(2.0e-2,20000,true);
ConjugateGradient<CoarseVector> coarseCG(4.0e-2,20000,true);
const int nrhs=vComplex::Nsimd();
const int nrhs=vComplex::Nsimd()*2;
Coordinate mpi=GridDefaultMpi();
Coordinate rhMpi ({1,1,mpi[0],mpi[1],mpi[2],mpi[3]});
@ -531,7 +562,7 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
typedef HermitianLinearOperator<MultiGeneralCoarsenedMatrix_t,CoarseVector> MrhsHermMatrix;
MrhsHermMatrix MrhsCoarseOp (mrhs);
MemoryManager::Print();
#if 0
{
CoarseVector rh_res(CoarseMrhs);
CoarseVector rh_guess(CoarseMrhs);
@ -566,6 +597,7 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
assert(diff < 1.0e-1);
}
}
#endif
MemoryManager::Print();
//////////////////////////////////////
// fine solve
@ -573,11 +605,13 @@ slurm-1482367.out:Grid : Message : 6169.469330 s : HDCG: Pcg converged in 487 it
// std::vector<RealD> los({2.0,2.5}); // Nbasis 40 == 36,36 iters
std::vector<RealD> los({2.0}); // Nbasis 40 == 36,36 iters
// std::vector<RealD> los({2.0});
std::vector<RealD> los({2.5});
// std::vector<int> ords({7,8,10}); // Nbasis 40 == 40,38,36 iters (320,342,396 mults)
// std::vector<int> ords({7}); // Nbasis 40 == 40 iters (320 mults)
std::vector<int> ords({9}); // Nbasis 40 == 40 iters (320 mults)
// std::vector<int> ords({9}); // Nbasis 40 == 40 iters (320 mults)
std::vector<int> ords({9});
/*
Smoother opt @56 nbasis, 0.04 convergence, 192 evs
@ -680,7 +714,7 @@ Conclusion: higher order smoother is doing better. Much better. Use a Krylov smo
//////////////////////////////////////////
// Build a HDCG solver
//////////////////////////////////////////
/* TwoLevelADEF2<LatticeFermion,CoarseVector,Subspace>
TwoLevelADEF2<LatticeFermion,CoarseVector,Subspace>
HDCG(1.0e-8, 700,
FineHermOp,
CGsmooth,
@ -688,18 +722,18 @@ Conclusion: higher order smoother is doing better. Much better. Use a Krylov smo
HPDSolve,
Aggregates);
result=Zero();
*/
// std::cout << "Calling HDCG"<<std::endl;
// HDCG(src,result);
std::cout << "Calling HDCG single RHS"<<std::endl;
HDCG(src,result);
//////////////////////////////////////////
// Build a HDCG mrhs solver
//////////////////////////////////////////
#if 1
MemoryManager::Print();
DoNothingGuesser<CoarseVector> DoNothing;
HPDSolver<CoarseVector> HPDSolveMrhs(MrhsCoarseOp,coarseCG,DoNothing);
TwoLevelADEF2mrhs<LatticeFermion,CoarseVector,Subspace>
HDCGmrhs(1.0e-8, 700,
HDCGmrhs(1.0e-8, 500,
FineHermOp,
CGsmooth,
HPDSolveSloppy, // Never used
@ -717,8 +751,9 @@ Conclusion: higher order smoother is doing better. Much better. Use a Krylov smo
std::vector<LatticeFermionD> src_mrhs(nrhs,FrbGrid);
std::vector<LatticeFermionD> res_mrhs(nrhs,FrbGrid);
MemoryManager::Print();
random(RNG5,src_mrhs[0]);
for(int r=0;r<nrhs;r++){
random(RNG5,src_mrhs[r]);
if(r>0)src_mrhs[r]=src_mrhs[0];
res_mrhs[r]=Zero();
std::cout << "Setup mrhs source "<<r<<std::endl;
}
@ -726,7 +761,7 @@ Conclusion: higher order smoother is doing better. Much better. Use a Krylov smo
MemoryManager::Print();
HDCGmrhs(src_mrhs,res_mrhs);
MemoryManager::Print();
#endif
}
}