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add benchmark to see whether matrix multiplication is slower than read from object

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This commit is contained in:
david clarke
2023-06-27 21:28:26 -06:00
parent a7eabaad56
commit 9015c229dc
3 changed files with 188 additions and 164 deletions
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78
tests/smearing/Test_fatLinks.cc
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@ -1,11 +1,35 @@
/*
* Test_fatLinks.cc
*
* D. Clarke
*
* Test the various constructs used to make fat links.
*
*/
/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/smearing/Test_fatLinks.cc
Copyright (C) 2023
Author: D. A. Clarke <clarke.davida@gmail.com>
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
*************************************************************************************/
/*
@file Test_fatLinks.cc
@brief test of the HISQ smearing
*/
#include <Grid/Grid.h>
#include <Grid/lattice/PaddedCell.h>
@ -14,7 +38,7 @@
using namespace Grid;
// Make the logger work like Python print()
/*! @brief make the logger work like python print */
template<typename... Args>
inline std::string sjoin(Args&&... args) noexcept {
std::ostringstream msg;
@ -27,32 +51,26 @@ inline void Grid_log(Args&&... args) {
std::cout << GridLogMessage << msg << std::endl;
}
struct fatParams: Serializable {
GRID_SERIALIZABLE_CLASS_MEMBERS(
fatParams,
std::string, conf_in,
std::string, conf_out);
template <class ReaderClass>
fatParams(Reader<ReaderClass>& Reader){
read(Reader, "parameters", *this);
}
};
//
// one method: input --> fat
// another : input --> long (naik)
// another : input --> unitarize
//
int main (int argc, char **argv)
{
int main (int argc, char** argv) {
// Params for the test.
int Ns = 8;
int Nt = 4;
Coordinate latt_size(Nd,0); latt_size[0]=Ns; latt_size[1]=Ns; latt_size[2]=Ns; latt_size[3]=Nt;
std::string conf_in = "nersc.l8t4b3360";
std::string conf_out = "nersc.l8t4b3360.3link";
// Initialize the Grid
Grid_init(&argc,&argv);
Coordinate latt_size = GridDefaultLatt();
Coordinate simd_layout = GridDefaultSimd(Nd,vComplexD::Nsimd());
Coordinate mpi_layout = GridDefaultMpi();
Grid_log("mpi = ",mpi_layout);
Grid_log(" mpi = ",mpi_layout);
Grid_log("simd = ",simd_layout);
Grid_log("latt = ",latt_size);
GridCartesian GRID(latt_size,simd_layout,mpi_layout);
@ -61,19 +79,15 @@ int main (int argc, char **argv)
LatticeGaugeField Umu(&GRID);
LatticeGaugeField U_smr(&GRID);
// Read in the parameter file
XmlReader Reader("fatParams.xml",false, "grid");
fatParams param(Reader);
FieldMetaData header;
// Read the configuration into Umu
NerscIO::readConfiguration(Umu, header, param.conf_in);
FieldMetaData header;
NerscIO::readConfiguration(Umu, header, conf_in);
// Smear Umu and store result in U_smr
Smear_HISQ_fat<LatticeGaugeField> hisq_fat(&GRID,1/8.,0.,1/16.,1/64.,1/384.,0.);
hisq_fat.smear(U_smr,Umu);
NerscIO::writeConfiguration(U_smr,param.conf_out,"HISQ");
NerscIO::writeConfiguration(U_smr,conf_out,"HISQ");
// Test a C-style instantiation
double path_coeff[6] = {1, 2, 3, 4, 5, 6};