mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 09:15:38 +01:00
add projection on sp2n algebra
This commit is contained in:
Alessandro Lupo
parent
4d8ae6221c
commit
4044536eea
@ -141,7 +141,37 @@ public:
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline Field projectForce(Field &P) { return Ta(P); }
|
|
||||||
|
|
||||||
|
static inline Field projectForce(Field &P)
|
||||||
|
{
|
||||||
|
if (isSp2n == true)
|
||||||
|
{
|
||||||
|
P = Ta(P);
|
||||||
|
const int nsp = Nc / 2;
|
||||||
|
|
||||||
|
Sp<nsp>::iSp2nMatrix<Complex> gen;
|
||||||
|
|
||||||
|
|
||||||
|
auto Psum = P;
|
||||||
|
|
||||||
|
Psum = Zero();
|
||||||
|
|
||||||
|
for (int a = 0; a < Sp<nsp>::AlgebraDimension; a++)
|
||||||
|
{
|
||||||
|
Sp<nsp>::generator(a, gen);
|
||||||
|
|
||||||
|
auto coeff = 2. * trace(P * gen);
|
||||||
|
Psum += coeff * gen;
|
||||||
|
}
|
||||||
|
|
||||||
|
return Psum;
|
||||||
|
|
||||||
|
} else
|
||||||
|
{
|
||||||
|
return Ta(P);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
static inline void update_field(Field& P, Field& U, double ep){
|
static inline void update_field(Field& P, Field& U, double ep){
|
||||||
//static std::chrono::duration<double> diff;
|
//static std::chrono::duration<double> diff;
|
||||||
|
|||||||
@ -137,6 +137,9 @@ accelerator_inline iMatrix<vtype,N> ProjectOnGroup(const iMatrix<vtype,N> &arg)
|
|||||||
|
|
||||||
// re-do for sp2n
|
// re-do for sp2n
|
||||||
|
|
||||||
|
// Ta cannot be defined here for Sp2n because I need the generators from the Sp class
|
||||||
|
// It is defined in gauge impl types
|
||||||
|
|
||||||
template<class vtype> accelerator_inline iScalar<vtype> ProjectOnSpGroup(const iScalar<vtype>&r)
|
template<class vtype> accelerator_inline iScalar<vtype> ProjectOnSpGroup(const iScalar<vtype>&r)
|
||||||
{
|
{
|
||||||
iScalar<vtype> ret;
|
iScalar<vtype> ret;
|
||||||
@ -217,88 +220,6 @@ accelerator_inline iMatrix<vtype,N> ProjectOnSpGroup(const iMatrix<vtype,N> &arg
|
|||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/*
|
|
||||||
template<class vtype,int N, typename std::enable_if< GridTypeMapper<vtype>::TensorLevel == 0 >::type * =nullptr>
|
|
||||||
accelerator_inline iMatrix<vtype,N> ProjectOnSpGroup(const iMatrix<vtype,N> &arg)
|
|
||||||
{
|
|
||||||
// need a check for the group type?
|
|
||||||
iMatrix<vtype,N> ret(arg);
|
|
||||||
vtype nrm;
|
|
||||||
vtype inner;
|
|
||||||
for(int c1=0;c1<N/2;c1++){
|
|
||||||
|
|
||||||
// Normalises row c1
|
|
||||||
zeroit(inner);
|
|
||||||
for(int c2=0;c2<N;c2++)
|
|
||||||
inner += innerProduct(ret._internal[c1][c2],ret._internal[c1][c2]);
|
|
||||||
|
|
||||||
nrm = sqrt(inner);
|
|
||||||
nrm = 1.0/nrm;
|
|
||||||
for(int c2=0;c2<N;c2++)
|
|
||||||
ret._internal[c1][c2]*= nrm;
|
|
||||||
|
|
||||||
// Compute row c1+N2/2: c1+N/2 = - \Omega c1*
|
|
||||||
for(int c2=0;c2<N/2;c2++)
|
|
||||||
ret._internal[c1+N/2][c2+N/2] = conjugate(ret._internal[c1][c2]); // lupo: c1,c2? dont we want c1 c2+N/2
|
|
||||||
|
|
||||||
for(int c2=N/2;c2<N;c2++)
|
|
||||||
ret._internal[c1+N/2][c2-N/2] = -conjugate(ret._internal[c1][c2]);
|
|
||||||
|
|
||||||
// Remove c1 from rows c1+1...N/2-1
|
|
||||||
for (int b=c1+1; b<N/2; ++b){
|
|
||||||
decltype(ret._internal[b][b]*ret._internal[b][b]) pr;
|
|
||||||
zeroit(pr);
|
|
||||||
for(int c=0; c<N; ++c)
|
|
||||||
pr += conjugate(ret._internal[c1][c])*ret._internal[b][c];
|
|
||||||
|
|
||||||
for(int c=0; c<N; ++c){
|
|
||||||
ret._internal[b][c] -= pr * ret._internal[c1][c];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Remove c1+N/2 from rows c1+1...N/2-1
|
|
||||||
for (int b=c1+1; b<N; ++b){
|
|
||||||
decltype(ret._internal[b][b]*ret._internal[b][b]) pr;
|
|
||||||
zeroit(pr);
|
|
||||||
for(int c=0; c<N; ++c)
|
|
||||||
pr += conjugate(ret._internal[c1+N/2][c])*ret._internal[b][c];
|
|
||||||
|
|
||||||
for(int c=0; c<N; ++c){
|
|
||||||
ret._internal[b][c] -= pr * ret._internal[c1+N/2][c];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} //end c1 0, ... N/2-1 loop
|
|
||||||
|
|
||||||
// Compute the last row
|
|
||||||
{
|
|
||||||
// Normalise last row
|
|
||||||
int c1 = N/2-1;
|
|
||||||
zeroit(inner);
|
|
||||||
for(int c2=0;c2<N;c2++)
|
|
||||||
inner += innerProduct(ret._internal[c1][c2],ret._internal[c1][c2]);
|
|
||||||
|
|
||||||
nrm = sqrt(inner);
|
|
||||||
nrm = 1.0/nrm;
|
|
||||||
for(int c2=0;c2<N;c2++)
|
|
||||||
ret._internal[c1][c2]*= nrm;
|
|
||||||
|
|
||||||
// Compute row cN-1+N2/2: cN-1+N/2 = - \Omega cN-1*
|
|
||||||
for(int c2=0;c2<N/2;c2++)
|
|
||||||
ret._internal[c1+N/2][c2+N/2] = conjugate(ret._internal[c1][c2]);
|
|
||||||
|
|
||||||
for(int c2=N/2;c2<N;c2++)
|
|
||||||
ret._internal[c1+N/2][c2-N/2] = -conjugate(ret._internal[c1][c2]);
|
|
||||||
}
|
|
||||||
// assuming the determinant is ok
|
|
||||||
return ret;
|
|
||||||
}*/
|
|
||||||
|
|
||||||
|
|
||||||
NAMESPACE_END(Grid);
|
NAMESPACE_END(Grid);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
100
tests/sp2n/Test_hmc_Sp_pureGaugeWilson.cc
Normal file
100
tests/sp2n/Test_hmc_Sp_pureGaugeWilson.cc
Normal file
@ -0,0 +1,100 @@
|
|||||||
|
/*************************************************************************************
|
||||||
|
|
||||||
|
Grid physics library, www.github.com/paboyle/Grid
|
||||||
|
|
||||||
|
Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
|
||||||
|
|
||||||
|
Copyright (C) 2015
|
||||||
|
|
||||||
|
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
|
||||||
|
Author: neo <cossu@post.kek.jp>
|
||||||
|
Author: Guido Cossu <guido.cossu@ed.ac.uk>
|
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License along
|
||||||
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
||||||
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||||
|
|
||||||
|
See the full license in the file "LICENSE" in the top level distribution
|
||||||
|
directory
|
||||||
|
*************************************************************************************/
|
||||||
|
/* END LEGAL */
|
||||||
|
#include <Grid/Grid.h>
|
||||||
|
|
||||||
|
int main(int argc, char **argv)
|
||||||
|
{
|
||||||
|
using namespace Grid;
|
||||||
|
|
||||||
|
Grid_init(&argc, &argv);
|
||||||
|
GridLogLayout();
|
||||||
|
|
||||||
|
typedef GenericSp2nHMCRunner<MinimumNorm2> HMCWrapper;
|
||||||
|
HMCWrapper TheHMC;
|
||||||
|
|
||||||
|
|
||||||
|
TheHMC.Resources.AddFourDimGrid("gauge");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// Checkpointer definition
|
||||||
|
CheckpointerParameters CPparams;
|
||||||
|
CPparams.config_prefix = "ckpoint_lat";
|
||||||
|
CPparams.rng_prefix = "ckpoint_rng";
|
||||||
|
CPparams.saveInterval = 5;
|
||||||
|
CPparams.format = "IEEE64BIG";
|
||||||
|
|
||||||
|
TheHMC.Resources.LoadNerscCheckpointer(CPparams);
|
||||||
|
|
||||||
|
RNGModuleParameters RNGpar;
|
||||||
|
RNGpar.serial_seeds = "12 22 32 42 52";
|
||||||
|
RNGpar.parallel_seeds = "76 77 87 79 70";
|
||||||
|
TheHMC.Resources.SetRNGSeeds(RNGpar);
|
||||||
|
|
||||||
|
// Construct observables
|
||||||
|
// here there is too much indirection
|
||||||
|
typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
|
||||||
|
typedef TopologicalChargeMod<HMCWrapper::ImplPolicy> QObs;
|
||||||
|
TheHMC.Resources.AddObservable<PlaqObs>();
|
||||||
|
TopologyObsParameters TopParams;
|
||||||
|
TopParams.interval = 5;
|
||||||
|
TopParams.do_smearing = true;
|
||||||
|
TopParams.Smearing.steps = 200;
|
||||||
|
TopParams.Smearing.step_size = 0.01;
|
||||||
|
TopParams.Smearing.meas_interval = 50;
|
||||||
|
TopParams.Smearing.maxTau = 2.0;
|
||||||
|
TheHMC.Resources.AddObservable<QObs>(TopParams);
|
||||||
|
//////////////////////////////////////////////
|
||||||
|
|
||||||
|
/////////////////////////////////////////////////////////////
|
||||||
|
// Collect actions, here use more encapsulation
|
||||||
|
// need wrappers of the fermionic classes
|
||||||
|
// that have a complex construction
|
||||||
|
// standard
|
||||||
|
RealD beta = 8.0 ;
|
||||||
|
SymplWilsonGaugeActionR Waction(beta);
|
||||||
|
|
||||||
|
ActionLevel<HMCWrapper::Field> Level1(1);
|
||||||
|
Level1.push_back(&Waction);
|
||||||
|
//Level1.push_back(WGMod.getPtr());
|
||||||
|
TheHMC.TheAction.push_back(Level1);
|
||||||
|
/////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
// HMC parameters are serialisable
|
||||||
|
TheHMC.Parameters.MD.MDsteps = 10;
|
||||||
|
TheHMC.Parameters.MD.trajL = 1.0;
|
||||||
|
|
||||||
|
TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
|
||||||
|
TheHMC.Run(); // no smearing
|
||||||
|
|
||||||
|
Grid_finalize();
|
||||||
|
|
||||||
|
} // main
|
||||||
Loading…
Reference in New Issue
Block a user