Revision 19a064b61efe7699b51684ce3aae8cf5b7037aa8 authored by Clément Pernet on 11 February 2019, 16:54:03 UTC, committed by GitHub on 11 February 2019, 16:54:03 UTC
Unify code style
benchmark-fdot.C
/* Copyright (c) FFLAS-FFPACK
* Written by Philippe LEDENT <philippe.ledent@etu.univ-grenoble-alpes.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========
*/
#include "fflas-ffpack/fflas-ffpack-config.h"
#include <iostream>
#include <givaro/modular.h>
#include <givaro/givrational.h>
#include "fflas-ffpack/fflas-ffpack.h"
#include "fflas-ffpack/utils/timer.h"
#include "fflas-ffpack/utils/fflas_io.h"
#include "fflas-ffpack/paladin/parallel.h"
#include "fflas-ffpack/paladin/fflas_plevel1.h"
#include "fflas-ffpack/utils/args-parser.h"
using namespace std;
using namespace FFLAS;
using namespace FFPACK;
template<class Field>
typename Field::Element run_with_field(int q, size_t iter, size_t N, const size_t BS, const size_t p, const size_t threads){
Field F(q);
typename Field::RandIter G(F, BS);
typename Field::Element_ptr A, B;
typename Field::Element d; F.init(d);
#ifdef __GIVARO_USE_OPENMP
Givaro::OMPTimer chrono, time;
#else
Givaro::Timer chrono, time;
#endif
time.clear();
for (size_t i=0;i<iter;++i){
A = fflas_new(F, N);
B = fflas_new(F, N);
PAR_BLOCK { pfrand(F, G, N, 1, A); pfrand(F, G, N, 1, B); }
// FFLAS::WriteMatrix(std::cerr, F, 1, N, A, 1);
// FFLAS::WriteMatrix(std::cerr, F, 1, N, B, 1);
F.assign(d, F.zero);
FFLAS::ParSeqHelper::Parallel<
FFLAS::CuttingStrategy::Block,
FFLAS::StrategyParameter::Threads> ParHelper(threads);
chrono.clear();
if (p){
chrono.start();
F.assign(d, fdot(F, N, A, 1U, B, 1U, ParHelper));
chrono.stop();
} else {
chrono.start();
F.assign(d, fdot(F, N, A, 1U, B, 1U, FFLAS::ParSeqHelper::Sequential()));
chrono.stop();
}
// std::cerr << chrono
// << " Gfops: " << ((double(2*N)/1000.)/1000.)/(1000.*chrono.realtime())
// << std::endl;
time+=chrono;
FFLAS::fflas_delete(A);
FFLAS::fflas_delete(B);
}
// -----------
// Standard output for benchmark
std::cout << "Time: " << time.realtime()
<< " Gfops: " << ((double(2*N)/1000.)/1000.)/(1000.*time.realtime())* double(iter);
// F.write(std::cerr, d) << std::endl;
return d;
}
int main(int argc, char** argv) {
size_t iter = 20; // to get nonzero time
size_t N = 5000;
size_t BS = 5000;
int q = 131071101;
size_t p =0;
size_t maxallowed_threads; PAR_BLOCK { maxallowed_threads=NUM_THREADS; }
size_t threads=maxallowed_threads;
Argument as[] = {
{ 'n', "-n N", "Set the dimension of the matrix C.",TYPE_INT , &N },
{ 'q', "-q Q", "Set the field characteristic (0 for the integers).", TYPE_INT , &q },
{ 'i', "-i R", "Set number of repetitions.", TYPE_INT , &iter },
{ 'b', "-b B", "Set the bitsize of the random elements.", TYPE_INT , &BS},
{ 'p', "-p P", "0 for sequential, 1 for parallel.", TYPE_INT , &p },
{ 't', "-t T", "number of virtual threads to drive the partition.", TYPE_INT , &threads },
END_OF_ARGUMENTS
};
FFLAS::parseArguments(argc,argv,as);
if (q > 0){
BS = Givaro::Integer(q).bitsize();
double d = run_with_field<Givaro::ModularBalanced<double> >(q, iter, N, BS, p, threads);
std::cout << " d: " << d;
} else {
auto d = run_with_field<Givaro::ZRing<Givaro::Integer> > (q, iter, N, BS, p, threads);
std::cout << " size: " << logtwo(d>0?d:-d);
}
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
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