https://hal.archives-ouvertes.fr/hal-02128878
Tip revision: 4201397494d9af8b687117e8ff4d85a8944f5c5a authored by Software Heritage on 11 June 2019, 10:15:02 UTC
hal: Deposit 298 in collection hal
hal: Deposit 298 in collection hal
Tip revision: 4201397
benchmark-ftrsm-mp.C
/*
* Copyright (C) FFLAS-FFPACK
* Written by Pascal Giorgi <pascal.giorgi@lirmm.fr>
*
* This file is Free Software and part of FFLAS-FFPACK.
*
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*.
*/
// declare that the call to openblas_set_numthread will be made here, hence don't do it
// everywhere in the call stack
#define __FFLASFFPACK_OPENBLAS_NT_ALREADY_SET 1
#include "fflas-ffpack/fflas-ffpack-config.h"
#include <iostream>
#include <vector>
#include <string>
using namespace std;
#include "fflas-ffpack/utils/timer.h"
#include "fflas-ffpack/fflas/fflas.h"
#include "fflas-ffpack/utils/args-parser.h"
#include "givaro/modular-integer.h"
int main(int argc, char** argv){
#ifdef __FFLASFFPACK_OPENBLAS_NUM_THREADS
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
srand((int)time(NULL));
srand48(time(NULL));
static size_t iters = 3 ;
static Givaro::Integer q = -1 ;
static unsigned long b = 512 ;
static size_t m = 512 ;
static size_t n = 512 ;
static Argument as[] = {
{ 'q', "-q Q", "Set the field characteristic (-1 for random).", TYPE_INTEGER , &q },
{ 'b', "-b B", "Set the bitsize of the random characteristic.", TYPE_INT , &b },
{ 'm', "-m M", "Set the dimension m of the matrix.", TYPE_INT , &m },
{ 'n', "-n N", "Set the dimension n of the matrix.", TYPE_INT , &n },
{ 'i', "-i R", "Set number of repetitions.", TYPE_INT , &iters },
END_OF_ARGUMENTS
};
FFLAS::parseArguments(argc,argv,as);
size_t seed= time(NULL);
typedef Givaro::Modular<Givaro::Integer> Field;
FFLAS::Timer chrono;
double time=0.;
Givaro::Integer p;
Givaro::IntPrimeDom IPD;
for (size_t i=0;i<iters;i++) {
Givaro::Integer::random_exact_2exp(p, b);
IPD.prevprimein(p);
Field F(p);
size_t lda,ldb;
lda=m;
ldb=n;
typename Field::RandIter Rand(F,seed);
Field::Element_ptr A,B;
A= FFLAS::fflas_new(F,m,lda);
B= FFLAS::fflas_new(F,m,ldb);
for (size_t ii=0;ii<m*m;++ii)
Rand.random(A[ii]);
for (size_t ii=0;ii<m*n;++ii)
Rand.random(B[ii]);
Givaro::Integer alpha;
alpha=1;
chrono.clear();chrono.start();
FFLAS::ftrsm(F,FFLAS::FflasRight, FFLAS::FflasUpper,FFLAS::FflasNoTrans,FFLAS::FflasUnit, m,n,alpha,A,lda,B,ldb);
chrono.stop();
time+=chrono.usertime();
FFLAS::fflas_delete(A);
FFLAS::fflas_delete(B);
}
double Gflops=(1.*double(m)/1000.*double(m)/1000.*double(n)/1000.0) / chrono.usertime() * double(iters);
Gflops*=p.bitsize()/16.;
cout<<"Time: "<<time/iters<<" Gfops: "<<Gflops<<endl;
return 0;
}
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s