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Adding tests for WilsonFlow classes

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This commit is contained in:
Guido Cossu
2017-03-21 16:11:35 +09:00
parent fd56b3ff38
commit 120fb59978
10 changed files with 142 additions and 52 deletions
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65
lib/Init.cc
View File

@@ -1,6 +1,6 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/Init.cc
@@ -36,7 +36,7 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
#include <stdint.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <signal.h>
#include <iostream>
@@ -92,14 +92,14 @@ const std::vector<int> GridDefaultSimd(int dims,int nsimd)
if ( nn>=2) {
layout[d]=2;
nn/=2;
} else {
} else {
layout[d]=1;
}
}
assert(nn==1);
return layout;
}
////////////////////////////////////////////////////////////
// Command line parsing assist for stock controls
////////////////////////////////////////////////////////////
@@ -143,7 +143,7 @@ void GridCmdOptionIntVector(std::string &str,std::vector<int> & vec)
vec.push_back(i);
if(std::ispunct(ss.peek()))
ss.ignore();
}
}
return;
}
@@ -248,24 +248,24 @@ void Grid_init(int *argc,char ***argv)
std::cout<<GridLogMessage<<" --help : this message"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Geometry:"<<std::endl;
std::cout<<GridLogMessage<<" --mpi n.n.n.n : default MPI decomposition"<<std::endl;
std::cout<<GridLogMessage<<" --mpi n.n.n.n : default MPI decomposition"<<std::endl;
std::cout<<GridLogMessage<<" --threads n : default number of OMP threads"<<std::endl;
std::cout<<GridLogMessage<<" --grid n.n.n.n : default Grid size"<<std::endl;
std::cout<<GridLogMessage<<" --shm M : allocate M megabytes of shared memory for comms"<<std::endl;
std::cout<<GridLogMessage<<" --grid n.n.n.n : default Grid size"<<std::endl;
std::cout<<GridLogMessage<<" --shm M : allocate M megabytes of shared memory for comms"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Verbose and debug:"<<std::endl;
std::cout<<GridLogMessage<<" --log list : comma separted list of streams from Error,Warning,Message,Performance,Iterative,Integrator,Debug,Colours"<<std::endl;
std::cout<<GridLogMessage<<" --decomposition : report on default omp,mpi and simd decomposition"<<std::endl;
std::cout<<GridLogMessage<<" --decomposition : report on default omp,mpi and simd decomposition"<<std::endl;
std::cout<<GridLogMessage<<" --debug-signals : catch sigsegv and print a blame report"<<std::endl;
std::cout<<GridLogMessage<<" --debug-stdout : print stdout from EVERY node"<<std::endl;
std::cout<<GridLogMessage<<" --notimestamp : suppress millisecond resolution stamps"<<std::endl;
std::cout<<GridLogMessage<<" --debug-stdout : print stdout from EVERY node"<<std::endl;
std::cout<<GridLogMessage<<" --notimestamp : suppress millisecond resolution stamps"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
std::cout<<GridLogMessage<<"Performance:"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-generic: Wilson kernel for generic Nc"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-unroll : Wilson kernel for Nc=3"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-asm : Wilson kernel for AVX512"<<std::endl;
std::cout<<GridLogMessage<<" --lebesgue : Cache oblivious Lebesgue curve/Morton order/Z-graph stencil looping"<<std::endl;
std::cout<<GridLogMessage<<" --cacheblocking n.m.o.p : Hypercuboidal cache blocking"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-generic: Wilson kernel for generic Nc"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-unroll : Wilson kernel for Nc=3"<<std::endl;
std::cout<<GridLogMessage<<" --dslash-asm : Wilson kernel for AVX512"<<std::endl;
std::cout<<GridLogMessage<<" --lebesgue : Cache oblivious Lebesgue curve/Morton order/Z-graph stencil looping"<<std::endl;
std::cout<<GridLogMessage<<" --cacheblocking n.m.o.p : Hypercuboidal cache blocking"<<std::endl;
std::cout<<GridLogMessage<<std::endl;
exit(EXIT_SUCCESS);
}
@@ -281,22 +281,22 @@ void Grid_init(int *argc,char ***argv)
std::string COL_BLUE = GridLogColours.colour["BLUE"];
std::string COL_YELLOW = GridLogColours.colour["YELLOW"];
std::string COL_BACKGROUND = GridLogColours.colour["NORMAL"];
std::cout <<std::endl;
std::cout <<COL_RED << "__|__|__|__|__"<< "|__|__|_"<<COL_PURPLE<<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_RED << "__|__|__|__|__"<< "|__|__|_"<<COL_PURPLE<<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_RED << "__|_ | | | "<< "| | | "<<COL_PURPLE<<" | | |"<< " | | | _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<< " "<<COL_PURPLE<<" "<< " _|__"<<std::endl;
std::cout <<COL_RED << "__|__|__|__|__"<< "|__|__|_"<<COL_PURPLE<<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_RED << "__|__|__|__|__"<< "|__|__|_"<<COL_PURPLE<<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_RED << "__|_ | | | "<< "| | | "<<COL_PURPLE<<" | | |"<< " | | | _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<< " "<<COL_PURPLE<<" "<< " _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<<COL_GREEN<<" GGGG "<<COL_RED<<" RRRR "<<COL_BLUE <<" III "<<COL_PURPLE<<"DDDD "<<COL_PURPLE<<" _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<<COL_GREEN<<"G "<<COL_RED<<" R R "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D "<<COL_PURPLE<<" _|__"<<std::endl;
std::cout <<COL_RED << "__|_ "<<COL_GREEN<<"G "<<COL_RED<<" R R "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D"<<COL_PURPLE<<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<<COL_GREEN<<"G GG "<<COL_RED<<" RRRR "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D"<<COL_GREEN <<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<<COL_GREEN<<"G G "<<COL_RED<<" R R "<<COL_BLUE <<" I "<<COL_PURPLE<<"D D "<<COL_GREEN <<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<<COL_GREEN<<" GGGG "<<COL_RED<<" R R "<<COL_BLUE <<" III "<<COL_PURPLE<<"DDDD "<<COL_GREEN <<" _|__"<<std::endl;
std::cout <<COL_BLUE << "__|_ "<< " "<<COL_GREEN <<" "<< " _|__"<<std::endl;
std::cout <<COL_BLUE << "__|__|__|__|__"<< "|__|__|_"<<COL_GREEN <<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_BLUE << "__|__|__|__|__"<< "|__|__|_"<<COL_GREEN <<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_BLUE << " | | | | "<< "| | | "<<COL_GREEN <<" | | |"<< " | | | | "<<std::endl;
std::cout <<COL_BLUE << "__|_ "<< " "<<COL_GREEN <<" "<< " _|__"<<std::endl;
std::cout <<COL_BLUE << "__|__|__|__|__"<< "|__|__|_"<<COL_GREEN <<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_BLUE << "__|__|__|__|__"<< "|__|__|_"<<COL_GREEN <<"_|__|__|"<< "__|__|__|__|__"<<std::endl;
std::cout <<COL_BLUE << " | | | | "<< "| | | "<<COL_GREEN <<" | | |"<< " | | | | "<<std::endl;
std::cout << std::endl;
std::cout << std::endl;
std::cout <<COL_YELLOW<< std::endl;
@@ -342,7 +342,7 @@ void Grid_init(int *argc,char ***argv)
}
if( GridCmdOptionExists(*argv,*argv+*argc,"--notimestamp") ){
GridLogTimestamp(0);
} else {
} else {
GridLogTimestamp(1);
}
@@ -350,7 +350,7 @@ void Grid_init(int *argc,char ***argv)
Grid_default_latt,
Grid_default_mpi);
std::cout << GridLogMessage << "Requesting "<< CartesianCommunicator::MAX_MPI_SHM_BYTES <<" byte stencil comms buffers "<<std::endl;
std::cout << GridLogDebug << "Requesting "<< CartesianCommunicator::MAX_MPI_SHM_BYTES <<" byte stencil comms buffers "<<std::endl;
if( GridCmdOptionExists(*argv,*argv+*argc,"--decomposition") ){
std::cout<<GridLogMessage<<"Grid Decomposition\n";
@@ -366,15 +366,22 @@ void Grid_init(int *argc,char ***argv)
Grid_is_initialised = 1;
}
void Grid_finalize(void)
{
#if defined (GRID_COMMS_MPI) || defined (GRID_COMMS_MPI3)
#if defined (GRID_COMMS_MPI) || defined (GRID_COMMS_MPI3)
MPI_Finalize();
Grid_unquiesce_nodes();
#endif
}
void GridLogLayout() {
std::cout << GridLogMessage << "Grid Layout\n";
std::cout << GridLogMessage << "\tGlobal lattice size : "<< GridCmdVectorIntToString(GridDefaultLatt()) << std::endl;
std::cout << GridLogMessage << "\tOpenMP threads : "<< GridThread::GetThreads() <<std::endl;
std::cout << GridLogMessage << "\tMPI tasks : "<< GridCmdVectorIntToString(GridDefaultMpi()) << std::endl;
}
void * Grid_backtrace_buffer[_NBACKTRACE];
void Grid_sa_signal_handler(int sig,siginfo_t *si,void * ptr)

3
lib/Init.h
View File

@@ -1,6 +1,6 @@
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/Init.h
@@ -46,6 +46,7 @@ namespace Grid {
const int &GridThreads(void) ;
void GridSetThreads(int t) ;
void GridLogTimestamp(int);
void GridLogLayout();
// Common parsing chores
std::string GridCmdOptionPayload(char ** begin, char ** end, const std::string & option);

37
lib/qcd/smearing/WilsonFlow.h
View File

@@ -38,9 +38,9 @@ class WilsonFlow: public Smear<Gimpl>{
unsigned int Nstep;
RealD epsilon;
WilsonGaugeAction<Gimpl> &SG;
mutable WilsonGaugeAction<Gimpl> SG;
void evolve_step(typename Gimpl::GaugeField&);
void evolve_step(typename Gimpl::GaugeField&) const;
RealD tau(unsigned int t)const {return epsilon*(t+1.0); }
@@ -50,7 +50,7 @@ class WilsonFlow: public Smear<Gimpl>{
explicit WilsonFlow(unsigned int Nstep, RealD epsilon):
Nstep(Nstep),
epsilon(epsilon),
SG(3.0) {
SG(WilsonGaugeAction<Gimpl>(3.0)) {
// WilsonGaugeAction with beta 3.0
assert(epsilon > 0.0);
LogMessage();
@@ -58,24 +58,29 @@ class WilsonFlow: public Smear<Gimpl>{
void LogMessage() {
std::cout << GridLogMessage
<< "[WilsonFlow] Nstep : " << Nstep
<< "[WilsonFlow] epsilon : " << epsilon
<< "[WilsonFlow] full trajectory : " << Nstep * epsilon
<< std::endl;
<< "[WilsonFlow] Nstep : " << Nstep << std::endl;
std::cout << GridLogMessage
<< "[WilsonFlow] epsilon : " << epsilon << std::endl;
std::cout << GridLogMessage
<< "[WilsonFlow] full trajectory : " << Nstep * epsilon << std::endl;
}
virtual void smear(GaugeField&, const GaugeField&) const;
virtual void derivative(GaugeField&, const GaugeField&, const GaugeField&) const {
assert(0);
// undefined for WilsonFlow
assert(0);
// undefined for WilsonFlow
}
RealD energyDensityPlaquette(unsigned int step, const GaugeField& U) const;
};
////////////////////////////////////////////////////////////////////////////////
// Implementations
////////////////////////////////////////////////////////////////////////////////
template <class Gimpl>
void WilsonFlow<Gimpl>::evolve_step(typename Gimpl::GaugeField &U) {
void WilsonFlow<Gimpl>::evolve_step(typename Gimpl::GaugeField &U) const{
GaugeField Z(U._grid);
GaugeField tmp(U._grid);
SG.deriv(U, Z);
@@ -104,13 +109,11 @@ void WilsonFlow<Gimpl>::smear(GaugeField& out, const GaugeField& in) const {
out = in;
for (unsigned int step = 0; step < Nstep; step++) {
evolve_step(out);
// Energy density, plaquette
std::cout << GridLogMessage
<< "[WilsonFlow] Energy Density (step) : "
<< step
<< " " << energyDensityPlaquette(step, out)
<< std::endl;
}
std::cout << "[WilsonFlow] Energy density (plaq) : "
<< step << " "
<< energyDensityPlaquette(step,out) << std::endl;
}
}
} // namespace QCD

1
lib/qcd/utils/WilsonLoops.h
View File

@@ -99,6 +99,7 @@ public:
//////////////////////////////////////////////////
static RealD sumPlaquette(const GaugeLorentz &Umu) {
std::vector<GaugeMat> U(Nd, Umu._grid);
// inefficient here
for (int mu = 0; mu < Nd; mu++) {
U[mu] = PeekIndex<LorentzIndex>(Umu, mu);
}