mirror of
https://github.com/triqs/dft_tools
synced 2024-12-26 06:14:14 +01:00
70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
//#define TRIQS_ARRAYS_ENFORCE_BOUNDCHECK
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#include <triqs/gfs/imfreq.hpp>
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#include <triqs/gfs/imtime.hpp>
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#include <triqs/gfs/local/functions.hpp>
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namespace tql= triqs::clef;
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namespace tqa= triqs::arrays;
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using tqa::range;
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using triqs::arrays::make_shape;
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using triqs::gfs::Fermion;
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using triqs::gfs::imfreq;
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using triqs::gfs::imtime;
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using triqs::gfs::make_gf;
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#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> "<< (X) <<std::endl<<std::endl;
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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_sliding_view {
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void operator()() {
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double beta =1;
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auto G = make_gf<imfreq> (beta, Fermion, make_shape(2,2),N);
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G() =0;
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//auto slv = G.data_getter.slv;
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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.data_getter.slv[i](0,0) = fnt(i);}
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//for (int i =0; i<N-1; ++i) { slv.set(i); slv(0,0) = fnt(i);}
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//for (int i =0; i<N-1; ++i) G.data_getter(i)(0,0) = fnt(i);
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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 = make_gf<imfreq> (beta, Fermion, make_shape(2,2),N);
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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(0,0,i) = 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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speed_tester<array_code> (5000);
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speed_tester<with_sliding_view> (5000);
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//speed_tester<with_slices> (5000);
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return 0;
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}
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