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updated wilson spec

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This commit is contained in:
Patrick Oare
2025-09-23 15:24:50 +00:00
parent 612049f1dd
commit fa30c791aa
1 changed files with 20 additions and 10 deletions
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30
examples/Example_wilson_spectrum.cc
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@@ -2,6 +2,8 @@
Runs the Krylov-Schur algorithm on a Wilson fermion operator to determine part of its spectrum.
TODO rename this file: really is running the topology change jobs on Aurora.
Usage :
$ ./Example_spec_kryschur <Nm> <Nk> <maxiter> <Nstop> <inFile> <outDir> <?rf>
@@ -276,12 +278,11 @@ int main (int argc, char ** argv)
}
std::cout << "Sorting eigenvalues using " << rfToString(RF) << std::endl;
//const int Ls=16;
const int Ls = 8;
const int Ls=16;
// GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
//std::vector<int> lat_size {16, 16, 16, 32};
std::vector<int> lat_size {8, 8, 8, 8};
std::vector<int> lat_size {32, 32, 32, 32};
std::cout << "Lattice size: " << lat_size << std::endl;
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(lat_size,
GridDefaultSimd(Nd,vComplex::Nsimd()),
@@ -298,18 +299,26 @@ int main (int argc, char ** argv)
LatticeGaugeField Umu(UGrid);
FieldMetaData header;
NerscIO::readConfiguration(Umu,header,file);
NerscIO::readConfiguration(Umu, header, file);
RealD mass = -0.1;
WilsonFermionD DWilson (Umu,*FGrid,*FrbGrid,mass);
RealD mass = 0.01;
RealD M5 = 1.8;
// Define domain wall D
DomainWallFermionD Ddwf(Umu, *FGrid, *FrbGrid, *UGrid, *UrbGrid, mass, M5);
NonHermitianLinearOperator<DomainWallFermionD, LatticeFermionD> DLinOp (Ddwf);
// Define PV^dag D (if we want)
DomainWallFermionD Dpv(Umu, *FGrid, *FrbGrid, *UGrid, *UrbGrid, 1.0, M5);
typedef PVdagMLinearOperator<DomainWallFermionD,LatticeFermionD> PVdagM_t;
PVdagM_t PVdagM(Ddwf, Dpv);
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"*******************************************"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
SquaredLinearOperator<WilsonFermionD, LatticeFermionD> Dsq (DWilson);
NonHermitianLinearOperator<WilsonFermionD, LatticeFermionD> DLinOp (DWilson);
// SquaredLinearOperator<WilsonFermionD, LatticeFermionD> Dsq (DWilson);
// NonHermitianLinearOperator<WilsonFermionD, LatticeFermionD> DLinOp (DWilson);
int Nm = std::stoi(NmStr);
int Nk = std::stoi(NkStr);
@@ -319,7 +328,8 @@ int main (int argc, char ** argv)
std::cout << GridLogMessage << "Runnning Krylov Schur. Nm = " << Nm << ", Nk = " << Nk << ", maxIter = " << maxIter
<< ", Nstop = " << Nstop << std::endl;
KrylovSchur KrySchur (DLinOp, FGrid, 1e-8, RF); // use DWilson
// KrylovSchur KrySchur (PVdagM, FGrid, 1e-8, RF); // use PV^\dag M
KrylovSchur KrySchur (DLinOp, FGrid, 1e-8, RF); // use Ddwf
KrySchur(src, maxIter, Nm, Nk, Nstop);
std::cout<<GridLogMessage << "*******************************************" << std::endl;