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Subspace setup

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Peter Boyle
2026-02-13 17:26:11 -05:00
parent 6ff29f9d4f
commit 2a8084d569
1 changed files with 6 additions and 6 deletions
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12
Grid/algorithms/multigrid/Aggregates.h
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@@ -97,7 +97,7 @@ public:
RealD scale;
ConjugateGradient<FineField> CG(1.0e-3,400,false);
ConjugateGradient<FineField> CG(1.0e-4,2000,false);
FineField noise(FineGrid);
FineField Mn(FineGrid);
@@ -131,7 +131,7 @@ public:
RealD scale;
TrivialPrecon<FineField> simple_fine;
PrecGeneralisedConjugateResidualNonHermitian<FineField> GCR(0.001,30,DiracOp,simple_fine,12,12);
PrecGeneralisedConjugateResidualNonHermitian<FineField> GCR(0.001,10,DiracOp,simple_fine,30,30);
FineField noise(FineGrid);
FineField src(FineGrid);
FineField guess(FineGrid);
@@ -146,16 +146,16 @@ public:
DiracOp.Op(noise,Mn); std::cout<<GridLogMessage << "noise ["<<b<<"] <n|Op|n> "<<innerProduct(noise,Mn)<<std::endl;
for(int i=0;i<2;i++){
for(int i=0;i<3;i++){
// void operator() (const Field &src, Field &psi){
#if 1
std::cout << GridLogMessage << " inverting on noise "<<std::endl;
if (i==0)std::cout << GridLogMessage << " inverting on noise "<<std::endl;
src = noise;
guess=Zero();
GCR(src,guess);
subspace[b] = guess;
#else
std::cout << GridLogMessage << " inverting on zero "<<std::endl;
if (i==0)std::cout << GridLogMessage << " inverting on zero "<<std::endl;
src=Zero();
guess = noise;
GCR(src,guess);
@@ -167,7 +167,7 @@ public:
}
DiracOp.Op(noise,Mn); std::cout<<GridLogMessage << "filtered["<<b<<"] <f|Op|f> "<<innerProduct(noise,Mn)<<std::endl;
DiracOp.Op(noise,Mn); std::cout<<GridLogMessage << "filtered["<<b<<"] <f|Op|f> "<<innerProduct(noise,Mn)<<" <f|OpDagOp|f>"<<norm2(Mn)<<std::endl;
subspace[b] = noise;
}