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/* Copyright (C) LinBox
*
*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox 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========
*/
/*! @file tests/test-optimization.C
* @ingroup tests
* @brief no doc.
* @test no doc
*/
#include "linbox/linbox-config.h"
#include <iostream>
#include <fstream>
#include "linbox/ring/modular.h" /* WHY ?? */
/* otherwise the compiler says :
* /usr/bin/ld: test-optimization.o: undefined reference to symbol 'dtrmm_'
* /usr/bin/ld: note: 'dtrmm_' is defined in DSO /usr/lib64/libblas.so.3gf so try adding it to the linker command line
*/
#include "linbox/config-blas.h"
#include <fflas-ffpack/fflas/fflas.h>
#include "linbox/util/timer.h"
#include "linbox/util/commentator.h"
#include "test-common.h"
using namespace LinBox;
int main (int argc, char ** argv)
{
size_t n=300, nmax=1000, prec=256;
static Argument args[] = {
{ 'n', "-n n", "Operate over the \"field\" GF(Q) [1] for integer modulus.", TYPE_INT, &n },
{ 'm', "-m m", "Operate over the \"field\" GF(Q) [1] for uint32_t modulus.", TYPE_INT, &nmax },
{ 'p', "-p p", "Operate over the \"field\" GF(Q) [1] for uint16_t modulus.", TYPE_INT, &prec },
END_OF_ARGUMENTS
};
parseArguments (argc, argv, args);
commentator().start("Optimization suite", "Optim");
std::ostream& report = commentator().report();
typedef Givaro::Modular<double> Field;
Field F(17);
Timer chrono;
double *A, *C;
A = new double[nmax*nmax];
C = new double[nmax*nmax];
for (size_t i=0; i<nmax*nmax;++i){
A[i]=rand() % 17;
}
do {
chrono.start();
FFLAS::fgemm(F, FFLAS::FflasNoTrans, FFLAS::FflasNoTrans,
n, n, n, 1., A, n, A, n, 0., C, n);
chrono.stop();
report << std::endl
<< "fgemm " << FFLAS::Protected::WinogradSteps(F,n) << "Wino: " << n << "x" << n << ": "
<< chrono.usertime() << " s, "
<< (2.0/chrono.usertime()*(double)n/100.0*(double)n/100.0*(double)n/100.0) << " Mffops"
<< std::endl;
n+=prec;
} while ((n < nmax));
delete[] A;
delete[] C;
return 0;
}
// Local Variables:
// mode: C++
// tab-width: 4
// indent-tabs-mode: nil
// c-basic-offset: 4
// End:
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
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