mirror of
https://github.com/triqs/dft_tools
synced 2024-12-25 13:53:40 +01:00
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/*******************************************************************************
|
|
*
|
|
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
|
|
*
|
|
* Copyright (C) 2011 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/arrays/matrix.hpp>
|
|
#include <triqs/arrays/array.hpp>
|
|
|
|
using namespace triqs::arrays;
|
|
using namespace triqs;
|
|
const int N1= 200, N2 = 300;
|
|
namespace tqa=triqs::arrays; namespace tql=triqs::clef;
|
|
|
|
struct plain {
|
|
void operator()() {
|
|
triqs::arrays::array<double,2> A (N1,N2,FORTRAN_LAYOUT);
|
|
for (int u =0; u<5000; ++u)
|
|
{
|
|
for (int j=0; j<N2; ++j)
|
|
for (int i =0; i<N1; ++i)
|
|
A(i,j) = i+ 2*j;
|
|
}
|
|
}
|
|
};
|
|
|
|
struct lazy {
|
|
void operator()() {
|
|
tql::placeholder<0> i_; tql::placeholder<1> j_;
|
|
triqs::arrays::array<double,2,TRAVERSAL_ORDER_FORTRAN> A (N1,N2,FORTRAN_LAYOUT);
|
|
for (int u =0; u<5000; ++u)
|
|
A(i_,j_) << i_+ 2*j_;
|
|
}
|
|
};
|
|
|
|
struct foreach_lambda {
|
|
void operator()() {
|
|
triqs::arrays::array<double,2,TRAVERSAL_ORDER_FORTRAN> A (N1,N2,FORTRAN_LAYOUT);
|
|
for (int u =0; u<5000; ++u)
|
|
//assign_foreach(A, [](size_t i, size_t j) { return i + 2.0*j;});
|
|
assign_foreach(A, [](long i, long j) { return i + 2.0*j;});
|
|
}
|
|
};
|
|
|
|
#include "./speed_tester.hpp"
|
|
int main() {
|
|
const int l = 100;
|
|
speed_tester<plain> (l);
|
|
speed_tester<lazy> (l);
|
|
speed_tester<foreach_lambda> (l);
|
|
return 0;
|
|
}
|
|
|