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Alternate multigrids

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This commit is contained in:
Peter Boyle
2026-02-13 17:25:45 -05:00
parent 7cd3f21e6b
commit 6ff29f9d4f
8 changed files with 76 additions and 44 deletions
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tests/debug/Test_general_coarse_wilson_svd.cc
+6 -6
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@@ -170,11 +170,11 @@ int main (int argc, char ** argv)
LatticeGaugeField Umu(UGrid);
FieldMetaData header;
std::string file("ckpoint_lat.1000");
std::string file("ckpoint_lat");
NerscIO::readConfiguration(Umu,header,file);
RealD csw =1.0;
RealD mass=-0.6222;
RealD csw =0.0;
RealD mass=-0.92;
WilsonCloverFermionD Dw(Umu,*UGrid,*UrbGrid,mass,csw,csw);
@@ -272,7 +272,7 @@ int main (int argc, char ** argv)
TrivialPrecon<CoarseVector> simple;
NonHermitianLinearOperator<LittleDiracOperator,CoarseVector> LinOpCoarse(LittleDiracOp);
// PrecGeneralisedConjugateResidualNonHermitian<CoarseVector> L2PGCR(1.0e-4, 100, LinOpCoarse,simple,10,10);
PrecGeneralisedConjugateResidualNonHermitian<CoarseVector> L2PGCR(3.0e-2, 100, LinOpCoarse,simple,10,10);
PrecGeneralisedConjugateResidualNonHermitian<CoarseVector> L2PGCR(1.0e-2, 100, LinOpCoarse,simple,30,30);
L2PGCR.Level(3);
c_res=Zero();
L2PGCR(c_src,c_res);
@@ -285,7 +285,7 @@ int main (int argc, char ** argv)
std::cout<<GridLogMessage<<"******************* "<<std::endl;
TrivialPrecon<LatticeFermionD> simple_fine;
PrecGeneralisedConjugateResidualNonHermitian<LatticeFermionD> SmootherGCR(0.01,1,ShiftedLinOpDw,simple_fine,16,16);
PrecGeneralisedConjugateResidualNonHermitian<LatticeFermionD> SmootherGCR(0.01,1,ShiftedLinOpDw,simple_fine,4,4);
SmootherGCR.Level(2);
LatticeFermionD f_src(FGrid);
@@ -304,7 +304,7 @@ int main (int argc, char ** argv)
LinOpCoarse,
L2PGCR);
PrecGeneralisedConjugateResidualNonHermitian<LatticeFermion> L1PGCR(1.0e-8,1000,LinOpDw,TwoLevelPrecon,16,16);
PrecGeneralisedConjugateResidualNonHermitian<LatticeFermion> L1PGCR(1.0e-8,1000,LinOpDw,TwoLevelPrecon,32,32);
L1PGCR.Level(1);
f_res=Zero();