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dft_tools/test/speed/apply_on_tuple_s.cpp
Olivier Parcollet f2c7d449cc First commit : triqs libs version 1.0 alpha1
for earlier commits, see TRIQS0.x repository.
2013-07-17 19:24:07 +02:00

59 lines
1.7 KiB
C++

/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2013 by O. Parcollet
*
* TRIQS 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 3 of the License, or (at your option) any later
* version.
*
* TRIQS 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
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include <triqs/utility/tuple_tools.hpp>
#include <functional>
#include <iostream>
struct fun { double operator()(int i, double x, double y, int k) {return k + i+ x + 2*y;} };
const int nl_interne = 1000000;
struct with_unpack {
double s;
~with_unpack() { std::cout << s<< std::endl ;}
void operator()() {
//std::function<double(int,double,double,int)> F(f);
fun F;
auto t = std::make_tuple(1,2.3,4.3,8);
for (int u =0; u<nl_interne; ++u) { s += triqs::tuple::apply(F,t);}
}
};
struct manual_code {
double s;
~manual_code() { std::cout << s<< std::endl ;}
void operator()() {
// std::function<double(int,double,double,int)> F(f);
fun F;
for (int u =0; u<nl_interne; ++u) { s += F(1,2.3,4.3,8); }
}
};
#include "./speed_tester.hpp"
int main() {
speed_tester<with_unpack> (50000);
speed_tester<manual_code> (50000);
return 0;
}