mirror of
https://github.com/paboyle/Grid.git
synced 2025-06-20 00:36:55 +01:00
Merge branch 'develop' into feature/gpu-port
This commit is contained in:
Peter Boyle
@ -1,5 +1,4 @@
|
||||
/*************************************************************************************
|
||||
|
||||
Grid physics library, www.github.com/paboyle/Grid
|
||||
|
||||
Source file: ./tests/Test_cayley_cg.cc
|
||||
@ -27,6 +26,7 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
|
||||
*************************************************************************************/
|
||||
/* END LEGAL */
|
||||
#include <Grid/Grid.h>
|
||||
#include <Grid/qcd/action/fermion/Reconstruct5Dprop.h>
|
||||
|
||||
using namespace std;
|
||||
using namespace Grid;
|
||||
@ -46,6 +46,7 @@ struct scal {
|
||||
|
||||
template<class What>
|
||||
void TestCGinversions(What & Ddwf,
|
||||
LatticeGaugeField &Umu,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
||||
RealD mass, RealD M5,
|
||||
@ -75,6 +76,25 @@ void TestCGprec(What & Ddwf,
|
||||
GridParallelRNG *RNG4,
|
||||
GridParallelRNG *RNG5);
|
||||
|
||||
template<class What>
|
||||
void TestReconstruct5D(What & Ddwf,
|
||||
LatticeGaugeField &Umu,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
||||
RealD mass, RealD M5,
|
||||
GridParallelRNG *RNG4,
|
||||
GridParallelRNG *RNG5);
|
||||
|
||||
template<class What,class WhatF>
|
||||
void TestReconstruct5DFA(What & Ddwf,
|
||||
WhatF & DdwfF,
|
||||
LatticeGaugeField &Umu,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
||||
RealD mass, RealD M5,
|
||||
GridParallelRNG *RNG4,
|
||||
GridParallelRNG *RNG5);
|
||||
|
||||
int main (int argc, char ** argv)
|
||||
{
|
||||
Grid_init(&argc,&argv);
|
||||
@ -83,63 +103,104 @@ int main (int argc, char ** argv)
|
||||
std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
|
||||
|
||||
const int Ls=8;
|
||||
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
|
||||
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(),
|
||||
GridDefaultSimd(Nd,vComplex::Nsimd()),
|
||||
GridDefaultMpi());
|
||||
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
|
||||
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
|
||||
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
|
||||
|
||||
|
||||
GridCartesian * UGridF = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(),
|
||||
GridDefaultSimd(Nd,vComplexF::Nsimd()),
|
||||
GridDefaultMpi());
|
||||
GridRedBlackCartesian * UrbGridF = SpaceTimeGrid::makeFourDimRedBlackGrid(UGridF);
|
||||
GridCartesian * FGridF = SpaceTimeGrid::makeFiveDimGrid(Ls,UGridF);
|
||||
GridRedBlackCartesian * FrbGridF = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGridF);
|
||||
|
||||
|
||||
std::vector<int> seeds4({1,2,3,4});
|
||||
std::vector<int> seeds5({5,6,7,8});
|
||||
GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
|
||||
GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
|
||||
|
||||
LatticeGaugeField Umu(UGrid);
|
||||
LatticeGaugeFieldF UmuF(UGridF);
|
||||
SU3::HotConfiguration(RNG4,Umu);
|
||||
precisionChange(UmuF,Umu);
|
||||
std::vector<LatticeColourMatrix> U(4,UGrid);
|
||||
|
||||
RealD mass=0.1;
|
||||
RealD M5 =1.8;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"DomainWallFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
DomainWallFermionR Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
||||
TestCGinversions<DomainWallFermionR>(Ddwf,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
DomainWallFermionF DdwfF(UmuF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,mass,M5);
|
||||
TestCGinversions<DomainWallFermionR>(Ddwf,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5DFA<DomainWallFermionR,DomainWallFermionF>(Ddwf,DdwfF,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
RealD b=1.5;// Scale factor b+c=2, b-c=1
|
||||
RealD c=0.5;
|
||||
std::vector<ComplexD> gamma(Ls,ComplexD(1.0,0.0));
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"MobiusFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
MobiusFermionR Dmob(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,b,c);
|
||||
TestCGinversions<MobiusFermionR>(Dmob,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
MobiusFermionF DmobF(UmuF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,mass,M5,b,c);
|
||||
TestCGinversions<MobiusFermionR>(Dmob,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5DFA<MobiusFermionR,MobiusFermionF>(Dmob,DmobF,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"ZMobiusFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
ZMobiusFermionR ZDmob(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,gamma,b,c);
|
||||
TestCGinversions<ZMobiusFermionR>(ZDmob,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestCGinversions<ZMobiusFermionR>(ZDmob,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5D<ZMobiusFermionR>(ZDmob,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"MobiusZolotarevFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
MobiusZolotarevFermionR Dzolo(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,b,c,0.1,2.0);
|
||||
TestCGinversions<MobiusZolotarevFermionR>(Dzolo,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestCGinversions<MobiusZolotarevFermionR>(Dzolo,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5D<MobiusZolotarevFermionR>(Dzolo,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"ScaledShamirFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
ScaledShamirFermionR Dsham(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,2.0);
|
||||
TestCGinversions<ScaledShamirFermionR>(Dsham,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
ScaledShamirFermionF DshamF(UmuF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,mass,M5,2.0);
|
||||
TestCGinversions<ScaledShamirFermionR>(Dsham,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5DFA<ScaledShamirFermionR,ScaledShamirFermionF>(Dsham,DshamF,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"ShamirZolotarevFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
ShamirZolotarevFermionR Dshamz(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,0.1,2.0);
|
||||
TestCGinversions<ShamirZolotarevFermionR>(Dshamz,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestCGinversions<ShamirZolotarevFermionR>(Dshamz,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5D<ShamirZolotarevFermionR>(Dshamz,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"OverlapWilsonCayleyTanhFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
OverlapWilsonCayleyTanhFermionR Dov(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,1.0);
|
||||
TestCGinversions<OverlapWilsonCayleyTanhFermionR>(Dov,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
OverlapWilsonCayleyTanhFermionF DovF(UmuF,*FGridF,*FrbGridF,*UGridF,*UrbGridF,mass,M5,1.0);
|
||||
TestCGinversions<OverlapWilsonCayleyTanhFermionR>(Dov,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5DFA<OverlapWilsonCayleyTanhFermionR,OverlapWilsonCayleyTanhFermionF>(Dov,DovF,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"OverlapWilsonCayleyZolotarevFermion test"<<std::endl;
|
||||
std::cout<<GridLogMessage <<"======================"<<std::endl;
|
||||
OverlapWilsonCayleyZolotarevFermionR Dovz(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,0.1,2.0);
|
||||
TestCGinversions<OverlapWilsonCayleyZolotarevFermionR>(Dovz,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestCGinversions<OverlapWilsonCayleyZolotarevFermionR>(Dovz,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
TestReconstruct5D<OverlapWilsonCayleyZolotarevFermionR>(Dovz,Umu,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,&RNG4,&RNG5);
|
||||
|
||||
Grid_finalize();
|
||||
}
|
||||
template<class What>
|
||||
void TestCGinversions(What & Ddwf,
|
||||
LatticeGaugeField &Umu,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
||||
RealD mass, RealD M5,
|
||||
@ -154,6 +215,7 @@ void TestCGinversions(What & Ddwf,
|
||||
TestCGschur<What>(Ddwf,FGrid,FrbGrid,UGrid,UrbGrid,mass,M5,RNG4,RNG5);
|
||||
}
|
||||
|
||||
|
||||
template<class What>
|
||||
void TestCGunprec(What & Ddwf,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
@ -189,6 +251,147 @@ void TestCGprec(What & Ddwf,
|
||||
CG(HermOpEO,src_o,result_o);
|
||||
}
|
||||
|
||||
template<class What>
|
||||
void TestReconstruct5D(What & Ddwf,
|
||||
LatticeGaugeField & Umu,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
||||
RealD mass, RealD M5,
|
||||
GridParallelRNG *RNG4,
|
||||
GridParallelRNG *RNG5)
|
||||
{
|
||||
LatticeFermion src4 (UGrid); random(*RNG4,src4);
|
||||
LatticeFermion res4 (UGrid); res4 = zero;
|
||||
|
||||
LatticeFermion src (FGrid);
|
||||
LatticeFermion src_NE(FGrid);
|
||||
LatticeFermion result(FGrid);
|
||||
LatticeFermion result_rec(FGrid);
|
||||
LatticeFermion result_madwf(FGrid);
|
||||
|
||||
MdagMLinearOperator<What,LatticeFermion> HermOp(Ddwf);
|
||||
double Resid = 1.0e-12;
|
||||
double Residi = 1.0e-6;
|
||||
ConjugateGradient<LatticeFermion> CG(Resid,10000);
|
||||
ConjugateGradient<LatticeFermion> CGi(Residi,10000);
|
||||
|
||||
Ddwf.ImportPhysicalFermionSource(src4,src);
|
||||
Ddwf.Mdag(src,src_NE);
|
||||
CG(HermOp,src_NE,result);
|
||||
|
||||
Ddwf.ExportPhysicalFermionSolution(result, res4);
|
||||
|
||||
Ddwf.M(result,src_NE);
|
||||
src_NE = src_NE - src;
|
||||
std::cout <<GridLogMessage<< " True residual is " << norm2(src_NE)<<std::endl;
|
||||
|
||||
std::cout <<GridLogMessage<< " Reconstructing " <<std::endl;
|
||||
|
||||
////////////////////////////
|
||||
// RBprec PV inverse
|
||||
////////////////////////////
|
||||
typedef LatticeFermion Field;
|
||||
typedef SchurRedBlackDiagTwoSolve<Field> SchurSolverType;
|
||||
typedef SchurRedBlackDiagTwoSolve<Field> SchurSolverTypei;
|
||||
typedef PauliVillarsSolverRBprec<Field,SchurSolverType> PVinverter;
|
||||
SchurSolverType SchurSolver(CG);
|
||||
PVinverter PVinverse(SchurSolver);
|
||||
|
||||
Reconstruct5DfromPhysical<LatticeFermion,PVinverter> reconstructor(PVinverse);
|
||||
|
||||
reconstructor(Ddwf,res4,src4,result_rec);
|
||||
|
||||
std::cout <<GridLogMessage << "Result "<<norm2(result)<<std::endl;
|
||||
std::cout <<GridLogMessage << "Result_rec "<<norm2(result_rec)<<std::endl;
|
||||
|
||||
result_rec = result_rec - result;
|
||||
std::cout <<GridLogMessage << "Difference "<<norm2(result_rec)<<std::endl;
|
||||
|
||||
//////////////////////////////
|
||||
// Now try MADWF
|
||||
//////////////////////////////
|
||||
SchurSolverTypei SchurSolveri(CGi);
|
||||
ZeroGuesser<LatticeFermion> Guess;
|
||||
MADWF<What,What,PVinverter,SchurSolverTypei,ZeroGuesser<LatticeFermion> >
|
||||
madwf(Ddwf,Ddwf,PVinverse,SchurSolveri,Guess,Resid,10);
|
||||
|
||||
madwf(src4,result_madwf);
|
||||
result_madwf = result_madwf - result;
|
||||
std::cout <<GridLogMessage << "Difference "<<norm2(result_madwf)<<std::endl;
|
||||
|
||||
|
||||
}
|
||||
template<class What,class WhatF>
|
||||
void TestReconstruct5DFA(What & Ddwf,
|
||||
WhatF & DdwfF,
|
||||
LatticeGaugeField & Umu,
|
||||
GridCartesian * FGrid, GridRedBlackCartesian * FrbGrid,
|
||||
GridCartesian * UGrid, GridRedBlackCartesian * UrbGrid,
|
||||
RealD mass, RealD M5,
|
||||
GridParallelRNG *RNG4,
|
||||
GridParallelRNG *RNG5)
|
||||
{
|
||||
LatticeFermion src4 (UGrid); random(*RNG4,src4);
|
||||
LatticeFermion res4 (UGrid); res4 = zero;
|
||||
|
||||
LatticeFermion src (FGrid);
|
||||
LatticeFermion src_NE(FGrid);
|
||||
LatticeFermion result(FGrid);
|
||||
LatticeFermion result_rec(FGrid);
|
||||
LatticeFermion result_madwf(FGrid);
|
||||
|
||||
MdagMLinearOperator<What,LatticeFermion> HermOp(Ddwf);
|
||||
double Resid = 1.0e-12;
|
||||
double Residi = 1.0e-5;
|
||||
ConjugateGradient<LatticeFermion> CG(Resid,10000);
|
||||
ConjugateGradient<LatticeFermionF> CGi(Residi,10000);
|
||||
|
||||
Ddwf.ImportPhysicalFermionSource(src4,src);
|
||||
Ddwf.Mdag(src,src_NE);
|
||||
CG(HermOp,src_NE,result);
|
||||
|
||||
Ddwf.ExportPhysicalFermionSolution(result, res4);
|
||||
|
||||
Ddwf.M(result,src_NE);
|
||||
src_NE = src_NE - src;
|
||||
std::cout <<GridLogMessage<< " True residual is " << norm2(src_NE)<<std::endl;
|
||||
|
||||
std::cout <<GridLogMessage<< " Reconstructing " <<std::endl;
|
||||
|
||||
////////////////////////////
|
||||
// Fourier accel PV inverse
|
||||
////////////////////////////
|
||||
typedef LatticeFermion Field;
|
||||
typedef LatticeFermionF FieldF;
|
||||
typedef SchurRedBlackDiagTwoSolve<FieldF> SchurSolverTypei;
|
||||
typedef PauliVillarsSolverFourierAccel<LatticeFermion,LatticeGaugeField> PVinverter;
|
||||
PVinverter PVinverse(Umu,CG);
|
||||
|
||||
Reconstruct5DfromPhysical<LatticeFermion,PVinverter> reconstructor(PVinverse);
|
||||
|
||||
reconstructor(Ddwf,res4,src4,result_rec);
|
||||
|
||||
std::cout <<GridLogMessage << "Result "<<norm2(result)<<std::endl;
|
||||
std::cout <<GridLogMessage << "Result_rec "<<norm2(result_rec)<<std::endl;
|
||||
|
||||
result_rec = result_rec - result;
|
||||
std::cout <<GridLogMessage << "Difference "<<norm2(result_rec)<<std::endl;
|
||||
|
||||
//////////////////////////////
|
||||
// Now try MADWF
|
||||
//////////////////////////////
|
||||
SchurSolverTypei SchurSolver(CGi);
|
||||
ZeroGuesser<LatticeFermionF> Guess;
|
||||
MADWF<What,WhatF,PVinverter,SchurSolverTypei,ZeroGuesser<LatticeFermionF> >
|
||||
madwf(Ddwf,DdwfF,PVinverse,SchurSolver,Guess,Resid,10);
|
||||
|
||||
madwf(src4,result_madwf);
|
||||
result_madwf = result_madwf - result;
|
||||
std::cout <<GridLogMessage << "Difference "<<norm2(result_madwf)<<std::endl;
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
template<class What>
|
||||
void TestCGschur(What & Ddwf,
|
||||
|
||||
Reference in New Issue
Block a user