benchmark-fsyrk.C
/* Copyright (c) FFLAS-FFPACK
* Written by Clément Pernet <clement.pernet@imag.fr>
* ========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 <givaro/modular.h>
#include "fflas-ffpack/fflas-ffpack.h"
#include "fflas-ffpack/utils/timer.h"
#include "fflas-ffpack/utils/args-parser.h"
using namespace std;
using namespace FFLAS;
using namespace FFPACK;
int main(int argc, char** argv) {
#ifdef __FFLASFFPACK_OPENBLAS_NUM_THREADS
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
size_t iter = 3;
int q = 131071;
size_t n = 1000;
size_t k = 1000;
size_t threshold = 64;
bool up =true;
std::string file = "";
Argument as[] = {
{ 'q', "-q Q", "Set the field characteristic (-1 for random).", TYPE_INT , &q },
{ 'n', "-n N", "Set the dimension of the matrix C.", TYPE_INT , &n },
{ 'k', "-k K", "Set the other dimension of the matrix A.", TYPE_INT , &k },
{ 'u', "-u yes/no", "Updates an upper/lower triangular matrix.", TYPE_BOOL , &up },
{ 'i', "-i R", "Set number of repetitions.", TYPE_INT , &iter },
{ 't', "-t T", "Set the threshold to the base case.", TYPE_INT , &threshold },
END_OF_ARGUMENTS
};
FFLAS::parseArguments(argc,argv,as);
typedef Givaro::ModularBalanced<double> Field;
typedef Field::Element Element;
Field F(q);
Field::Element * A, *C;
FFLAS::Timer chrono;
double time=0.0;
FFLAS_UPLO uplo = up?FflasUpper:FflasLower;
for (size_t i=0;i<=iter;++i){
A = fflas_new<Element>(n*k);
size_t lda=k;
C = fflas_new<Element>(n*n);
size_t ldc=n;
Field::RandIter G(F);
RandomMatrix (F, n, k, A, k, G);
RandomTriangularMatrix (F, n,n,uplo, FflasNonUnit, true, C, ldc, G);
Field::Element_ptr D = FFLAS::fflas_new(F,k,1);
Givaro::GeneralRingNonZeroRandIter<Field,Field::RandIter> nzG (G);
for (size_t i=0; i<k; i++)
nzG.random(D[i]);
chrono.clear();
if (i) chrono.start();
fsyrk (F, uplo, FflasTrans, n, k, F.mOne, A, lda, D, 1, F.one, C, ldc, threshold);
if (i) chrono.stop();
time+=chrono.usertime();
FFLAS::fflas_delete( A);
FFLAS::fflas_delete( C);
FFLAS::fflas_delete( D);
}
// -----------
// Standard output for benchmark - Alexis Breust 2014/11/14
#define CUBE(x) ((x)*(x)*(x))
std::cout << "Time: " << time / double(iter)
<< " Gfops: " << CUBE(double(n)/1000.)/ time * double(iter);
FFLAS::writeCommandString(std::cout, as) << std::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