mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 06:14:14 +01:00
fa07abbea9
- change the underlying data : do not flatten the linear indices of the mesh into a single index, keep a higher dim array. - easier for various places, and necessary for g(nu,nu'). - work on several 2 part. containers. - add default target (may not be always matrix_valued)
57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
#define TRIQS_ARRAYS_ENFORCE_BOUNDCHECK
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//#define TRIQS_ARRAYS_CHECK_WEAK_REFS
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#include <triqs/gfs.hpp>
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using namespace triqs::gfs;
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using namespace triqs::arrays;
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#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> " << (X) << std::endl << std::endl;
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#include <triqs/gfs/local/functions.hpp>
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const int nl_interne = 1000;
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const int N = 1000;
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typedef double VALUE_TYPE;
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// typedef int VALUE_TYPE;
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// inline VALUE_TYPE fnt(size_t i) { return i*(i+2.0)*(i-8.0);}
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inline VALUE_TYPE fnt(size_t i) { return i; } //*(i+2.0)*(i-8);}
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// inline VALUE_TYPE fnt(size_t i) { return i*(i+2.0)*(i-8);}
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struct with_g {
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void operator()() {
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double beta = 1;
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auto G = gf<imfreq>{{beta, Fermion, N}, {2, 2}};
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G() = 0;
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for (int u = 0; u < nl_interne; ++u)
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// for (int i =0; i<N-1; ++i) G.on_mesh(i)(0,0) = fnt(i);
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for (int i = 0; i < N - 1; ++i) G[i](0, 0) = fnt(i);
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}
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};
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struct array_code {
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void operator()() {
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double beta = 1;
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auto G = gf<imfreq>{{beta, Fermion, N}, {2, 2}};
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G() = 0;
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auto V = G.data();
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for (int u = 0; u < nl_interne; ++u)
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for (int i = 0; i < N - 1; ++i) V(i, 0, 0) = fnt(i);
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}
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};
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#include "./speed_tester.hpp"
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int main() {
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try {
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speed_tester<array_code>(100);
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speed_tester<with_g>(100);
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}
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TRIQS_CATCH_AND_ABORT;
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}
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