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paboyle
2017-04-02 00:29:40 +09:00
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tests/testu01/Test_smallcrush.cc Normal file
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/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./tests/Test_smallcrush.cc
Copyright (C) 2015
Author: Peter Boyle <paboyle@ph.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>
using namespace std;
using namespace Grid;
using namespace Grid::QCD;
// Wrap Grid's parallel RNG for testU01
extern "C" {
#include "TestU01.h"
#include "gdef.h"
#include "unif01.h"
#include "ucarry.h"
#include "bbattery.h"
}
std::vector<std::ranlux48> EngineRanlux;
std::vector<std::mt19937> EngineMT;
std::vector<sitmo::prng_engine> EngineSitmo;
std::uniform_int_distribution<uint32_t> uid;
uint32_t GetU01Ranlux(void) {
return uid(EngineRanlux[0]);
};
uint32_t GetU01MT(void) {
return uid(EngineMT[0]);
};
uint32_t GetU01Sitmo(void) {
return uid(EngineSitmo[0]);
};
typedef Grid::GridRNGbase::RngEngine RngEngine;
struct TestRNG {
public:
static GridParallelRNG *pRNG;
static GridSerialRNG *sRNG;
static GridBase *_grid;
static RngEngine Eng;
static uint64_t site;
static uint64_t gsites;
static char *name;
static void Init(GridParallelRNG *_pRNG,GridSerialRNG *_sRNG,GridBase *grid) {
pRNG = _pRNG;
sRNG = _sRNG;
_grid= grid;
gsites= grid->_gsites;
std::cout << "Init: Global sites is " <<gsites<<std::endl;
site = 0;
}
static uint32_t GetU01(void) {
// std::uniform_int_distribution<uint32_t> uid;
uint32_t ret_val;
#if 0
ret_val = sRNG->_uid[0](sRNG->_generators[0]);
#else
ret_val = pRNG->GlobalU01(site);
site=(site+1)%gsites;
#endif
// std::cout << "site "<<site <<" "<<std::hex << ret_val <<std::dec<<std::endl;
return ret_val;
}
};
GridParallelRNG *TestRNG::pRNG;
GridSerialRNG *TestRNG::sRNG;
GridBase *TestRNG::_grid;
RngEngine TestRNG::Eng;
uint64_t TestRNG::site;
uint64_t TestRNG::gsites;
#ifdef RNG_SITMO
char * TestRNG::name = (char *)"Grid_Sitmo";
#endif
#ifdef RNG_RANLUX
char * TestRNG::name = (char *)"Grid_ranlux48";
#endif
#ifdef RNG_MT19937
char * TestRNG::name = (char *)"Grid_mt19937";
#endif
int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(4,vComplex::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();
GridCartesian Grid(latt_size,simd_layout,mpi_layout);
std::vector<int> seeds({1,2,3,4});
std::seed_seq seq(seeds.begin(),seeds.end());
EngineRanlux.push_back(std::ranlux48(seq));
EngineMT.push_back(std::mt19937(seq));
EngineSitmo.push_back(sitmo::prng_engine(seq));
std::cout << GridLogMessage<< "Initialising Grid RNGs "<<std::endl;
GridParallelRNG pRNG(&Grid);
pRNG.SeedFixedIntegers(std::vector<int>({43,12,7019,9}));
GridSerialRNG sRNG;
sRNG.SeedFixedIntegers(std::vector<int>({102,12,99,15}));
std::cout << GridLogMessage<< "Initialised Grid RNGs "<<std::endl;
TestRNG::Init(&pRNG,&sRNG,&Grid);
std::cout << GridLogMessage<< "Grid RNG's are "<< std::string(TestRNG::name) <<std::endl;
unif01_Gen * gen;
// gen = ulcg_CreateLCG (2147483647, 397204094, 0, 12345);
// bbattery_SmallCrush (gen);
// gen = ucarry_CreateRanlux (48, 0x12345);
// bbattery_SmallCrush (gen);
/*
std::cout << GridLogMessage<< "Testing Standalone Ranlux" <<std::endl;
gen = unif01_CreateExternGenBits ((char *)"GridRanlux",GetU01Ranlux);
bbattery_SmallCrush (gen);
unif01_DeleteExternGenBits(gen);
std::cout << GridLogMessage<< "Testing Standalone Ranlux is complete" <<std::endl;
*/
/*
std::cout << GridLogMessage<< "Testing Standalone Mersenne Twister" <<std::endl;
gen = unif01_CreateExternGenBits ((char *)"GridMT",GetU01MT);
bbattery_SmallCrush (gen);
unif01_DeleteExternGenBits(gen);
std::cout << GridLogMessage<< "Testing Standalone Mersenne Twister is complete" <<std::endl;
std::cout << GridLogMessage<< "Testing Standalone Sitmo" <<std::endl;
gen = unif01_CreateExternGenBits ((char *)"GridSitmo",GetU01Sitmo);
bbattery_SmallCrush (gen);
unif01_DeleteExternGenBits(gen);
std::cout << GridLogMessage<< "Testing Standalone Sitmo is complete" <<std::endl;
*/
// gen = unif01_CreateExternGenBits ((char *)"xorshift", xorshift);
std::cout << GridLogMessage<< "Testing Grid "<< std::string(TestRNG::name) <<std::endl;
gen = unif01_CreateExternGenBits(TestRNG::name,TestRNG::GetU01);
bbattery_SmallCrush (gen);
std::cout << GridLogMessage<< "Testing Grid "<< std::string(TestRNG::name)<<" is complete" <<std::endl;
Grid_finalize();
}