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Both changes to improve the buffer persistence in teh dense distributed inverse and to add verbosity to polynomial smoothers

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Peter Boyle
2026-08-26 17:48:03 -04:00
parent 5f8f396e9b
commit e15099eb7b
10 changed files with 266 additions and 18 deletions
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examples/Example_pvdagm_v2_3level_DenseCoarseMatrix.cc
+8
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@@ -103,6 +103,7 @@ int PowerIterations = 0; // >0: power-iterate the smoother operators
std::string FineSmootherMode = "gcr";
std::string CoarseSmootherMode = "gcr";
int PolyRecordIters = 4;
int PolyVerbose = 0; // 1: fixed-polynomial smoothers print |r_m|/|r_0| per call
RealD FineChebLo = 3.0, FineChebHi = 137.0; // from the harvested polynomial and PowerIterations edge
RealD CoarseChebLo = 8.0, CoarseChebHi = 45.0;
int CoarseSmootherNstep = 2;
@@ -152,6 +153,7 @@ void ParseEnvironment(void)
if(getenv("FineSmootherMode")) FineSmootherMode = getenv("FineSmootherMode");
if(getenv("CoarseSmootherMode")) CoarseSmootherMode = getenv("CoarseSmootherMode");
if(getenv("PolyRecordIters")) PolyRecordIters = atoi(getenv("PolyRecordIters"));
if(getenv("PolyVerbose")) PolyVerbose = atoi(getenv("PolyVerbose"));
if(getenv("FineChebLo")) FineChebLo = atof(getenv("FineChebLo"));
if(getenv("FineChebHi")) FineChebHi = atof(getenv("FineChebHi"));
if(getenv("CoarseChebLo")) CoarseChebLo = atof(getenv("CoarseChebLo"));
@@ -991,10 +993,12 @@ int main (int argc, char ** argv)
GCRCoefficients recF, recC;
if ( FineSmootherMode == "cheb" ) {
FineCheb.reset(new ChebyshevNonHermitianSmoother<LatticeFermionD>(FineChebLo,FineChebHi,FineSmootherOrder,ShiftedPVdagM));
FineCheb->Verbose = PolyVerbose; FineCheb->name = "Fsmoother";
FineSmootherSlot.Set(*FineCheb,"Fsmoother Chebyshev");
}
if ( CoarseSmootherMode == "cheb" ) {
CoarseCheb.reset(new ChebyshevNonHermitianSmoother<CoarseVector>(CoarseChebLo,CoarseChebHi,CoarseSmootherNstep,ShiftedC));
CoarseCheb->Verbose = PolyVerbose; CoarseCheb->name = "Csmoother";
CoarseSmootherSlot.Set(*CoarseCheb,"Csmoother Chebyshev");
}
if ( FineSmootherMode == "replay" ) SmootherGCR.SetCoefficientRecorder(&recF);
@@ -1005,13 +1009,17 @@ int main (int argc, char ** argv)
SmootherGCR.SetCoefficientRecorder(nullptr);
recF.Report("Fsmoother");
FineReplay.reset(new GCRReplaySmoother<LatticeFermionD>(ShiftedPVdagM,recF));
FineReplay->Verbose = PolyVerbose; FineReplay->name = "Fsmoother";
FineSmootherSlot.Set(*FineReplay,"Fsmoother replay");
SmootherGCR.ReleaseHistory(); // memory-neutral swap: the GCR's history goes as the replay's comes
}
if ( CoarseSmootherMode == "replay" ) {
CoarseSmootherGCR.SetCoefficientRecorder(nullptr);
recC.Report("Csmoother");
CoarseReplay.reset(new GCRReplaySmoother<CoarseVector>(ShiftedC,recC));
CoarseReplay->Verbose = PolyVerbose; CoarseReplay->name = "Csmoother";
CoarseSmootherSlot.Set(*CoarseReplay,"Csmoother replay");
CoarseSmootherGCR.ReleaseHistory();
}
};
std::cout << GridLogMessage << "Smoother modes: fine " << FineSmootherMode << " coarse " << CoarseSmootherMode