portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-11-03 21:44:33 +00:00
Code Releases Activity

Logging improvement; reunified the Lanczos codes

Browse Source
This commit is contained in:
paboyle
2017-10-13 13:23:07 +01:00
parent 4b4d187935
commit 47af3565f4
5 changed files with 36 additions and 804 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
tests/lanczos/Test_dwf_compressed_lanczos.cc
View File

@@ -21,7 +21,14 @@
(ortho krylov low poly); and then fix up lowest say 200 eigenvalues by 1 run with high-degree poly (600 could be enough)
*/
#include <Grid/Grid.h>
#include <Grid/algorithms/iterative/BlockImplicitlyRestartedLanczos/BlockImplicitlyRestartedLanczos.h>
#include <Grid/algorithms/iterative/ImplicitlyRestartedLanczos.h>
/////////////////////////////////////////////////////////////////////////////
// The following are now decoupled from the Lanczos and deal with grids.
// Safe to replace functionality
/////////////////////////////////////////////////////////////////////////////
#include <Grid/algorithms/iterative/BlockImplicitlyRestartedLanczos/BlockedGrid.h>
#include <Grid/algorithms/iterative/BlockImplicitlyRestartedLanczos/FieldBasisVector.h>
#include <Grid/algorithms/iterative/BlockImplicitlyRestartedLanczos/BlockProjector.h>
#include "FieldVectorIO.h"
#include "Params.h"
@@ -319,7 +326,7 @@ void CoarseGridLanczos(BlockProjector<Field>& pr,RealD alpha2,RealD beta,int Npo
Op2 = &Op2plain;
}
ProjectedHermOp<CoarseLatticeFermion<Nstop1>,LatticeFermion> Op2nopoly(pr,HermOp);
BlockImplicitlyRestartedLanczos<CoarseLatticeFermion<Nstop1> > IRL2(*Op2,*Op2,Nstop2,Nk2,Nm2,resid2,betastp2,MaxIt,MinRes2);
ImplicitlyRestartedLanczos<CoarseLatticeFermion<Nstop1> > IRL2(*Op2,*Op2,Nstop2,Nk2,Nm2,resid2,betastp2,MaxIt,MinRes2);
src_coarse = 1.0;
@@ -350,7 +357,7 @@ void CoarseGridLanczos(BlockProjector<Field>& pr,RealD alpha2,RealD beta,int Npo
) {
IRL2.calc(eval2,coef,src_coarse,Nconv,true,SkipTest2);
IRL2.calc(eval2,coef._v,src_coarse,Nconv,true,SkipTest2);
coef.resize(Nstop2);
eval2.resize(Nstop2);
@@ -641,7 +648,7 @@ int main (int argc, char ** argv) {
}
// First round of Lanczos to get low mode basis
BlockImplicitlyRestartedLanczos<LatticeFermion> IRL1(Op1,Op1test,Nstop1,Nk1,Nm1,resid1,betastp1,MaxIt,MinRes1);
ImplicitlyRestartedLanczos<LatticeFermion> IRL1(Op1,Op1test,Nstop1,Nk1,Nm1,resid1,betastp1,MaxIt,MinRes1);
int Nconv;
char tag[1024];
@@ -650,7 +657,7 @@ int main (int argc, char ** argv) {
if (simple_krylov_basis) {
quick_krylov_basis(evec,src,Op1,Nstop1);
} else {
IRL1.calc(eval1,evec,src,Nconv,false,1);
IRL1.calc(eval1,evec._v,src,Nconv,false,1);
}
evec.resize(Nstop1); // and throw away superfluous
eval1.resize(Nstop1);