// // Copyright (c) 2000-2002 // Joerg Walter, Mathias Koch // // Distributed under the Boost Software License, Version 1.0. (See // accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // // The authors gratefully acknowledge the support of // GeNeSys mbH & Co. KG in producing this work. // #include "bench3.hpp" template<class T, int N> struct bench_c_inner_prod { typedef T value_type; void operator () (int runs) const { try { static typename c_vector_traits<T, N>::type v1, v2; initialize_c_vector<T, N> () (v1); initialize_c_vector<T, N> () (v2); boost::timer t; for (int i = 0; i < runs; ++ i) { static value_type s (0); for (int j = 0; j < N; ++ j) { s += v1 [j] * v2 [j]; } // sink_scalar (s); } footer<value_type> () (N, N - 1, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } }; template<class V, int N> struct bench_my_inner_prod { typedef typename V::value_type value_type; void operator () (int runs) const { try { static V v1 (N), v2 (N); ublas::vector_range<V> vr1 (v1, ublas::range (0, N)), vr2 (v2, ublas::range (0, N)); initialize_vector (vr1); initialize_vector (vr2); boost::timer t; for (int i = 0; i < runs; ++ i) { static value_type s (0); s = ublas::inner_prod (vr1, vr2); // sink_scalar (s); } footer<value_type> () (N, N - 1, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } }; template<class V, int N> struct bench_cpp_inner_prod { typedef typename V::value_type value_type; void operator () (int runs) const { try { static V v1 (N), v2 (N); initialize_vector (v1); initialize_vector (v2); boost::timer t; for (int i = 0; i < runs; ++ i) { static value_type s (0); s = (v1 * v2).sum (); // sink_scalar (s); } footer<value_type> () (N, N - 1, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } }; template<class T, int N> struct bench_c_vector_add { typedef T value_type; void operator () (int runs) const { try { static typename c_vector_traits<T, N>::type v1, v2, v3; initialize_c_vector<T, N> () (v1); initialize_c_vector<T, N> () (v2); boost::timer t; for (int i = 0; i < runs; ++ i) { for (int j = 0; j < N; ++ j) { v3 [j] = - (v1 [j] + v2 [j]); } // sink_c_vector<T, N> () (v3); } footer<value_type> () (0, 2 * N, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } }; template<class V, int N> struct bench_my_vector_add { typedef typename V::value_type value_type; void operator () (int runs, safe_tag) const { try { static V v1 (N), v2 (N), v3 (N); ublas::vector_range<V> vr1 (v1, ublas::range (0, N)), vr2 (v2, ublas::range (0, N)), vr3 (v2, ublas::range (0, N)); initialize_vector (vr1); initialize_vector (vr2); initialize_vector (vr3); boost::timer t; for (int i = 0; i < runs; ++ i) { vr3 = - (vr1 + vr2); // sink_vector (vr3); } footer<value_type> () (0, 2 * N, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } void operator () (int runs, fast_tag) const { try { static V v1 (N), v2 (N), v3 (N); ublas::vector_range<V> vr1 (v1, ublas::range (0, N)), vr2 (v2, ublas::range (0, N)), vr3 (v2, ublas::range (0, N)); initialize_vector (vr1); initialize_vector (vr2); boost::timer t; for (int i = 0; i < runs; ++ i) { vr3.assign (- (vr1 + vr2)); // sink_vector (vr3); } footer<value_type> () (0, 2 * N, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } }; template<class V, int N> struct bench_cpp_vector_add { typedef typename V::value_type value_type; void operator () (int runs) const { try { static V v1 (N), v2 (N), v3 (N); initialize_vector (v1); initialize_vector (v2); boost::timer t; for (int i = 0; i < runs; ++ i) { v3 = - (v1 + v2); // sink_vector (v3); } footer<value_type> () (0, 2 * N, runs, t.elapsed ()); } catch (std::exception &e) { std::cout << e.what () << std::endl; } } }; // Benchmark O (n) template<class T, int N> void bench_1<T, N>::operator () (int runs) { header ("bench_1"); header ("inner_prod"); header ("C array"); bench_c_inner_prod<T, N> () (runs); #ifdef USE_C_ARRAY header ("c_vector"); bench_my_inner_prod<ublas::c_vector<T, N>, N> () (runs); #endif #ifdef USE_BOUNDED_ARRAY header ("vector<bounded_array>"); bench_my_inner_prod<ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs); #endif #ifdef USE_UNBOUNDED_ARRAY header ("vector<unbounded_array>"); bench_my_inner_prod<ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs); #endif #ifdef USE_STD_VALARRAY header ("vector<std::valarray>"); bench_my_inner_prod<ublas::vector<T, std::valarray<T> >, N> () (); #endif #ifdef USE_STD_VECTOR header ("vector<std::vector>"); bench_my_inner_prod<ublas::vector<T, std::vector<T> >, N> () (runs); #endif #ifdef USE_STD_VALARRAY header ("std::valarray"); bench_cpp_inner_prod<std::valarray<T>, N> () (runs); #endif header ("vector + vector"); header ("C array"); bench_c_vector_add<T, N> () (runs); #ifdef USE_C_ARRAY header ("c_vector safe"); bench_my_vector_add<ublas::c_vector<T, N>, N> () (runs, safe_tag ()); header ("c_vector fast"); bench_my_vector_add<ublas::c_vector<T, N>, N> () (runs, fast_tag ()); #endif #ifdef USE_BOUNDED_ARRAY header ("vector<bounded_array> safe"); bench_my_vector_add<ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, safe_tag ()); header ("vector<bounded_array> fast"); bench_my_vector_add<ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, fast_tag ()); #endif #ifdef USE_UNBOUNDED_ARRAY header ("vector<unbounded_array> safe"); bench_my_vector_add<ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, safe_tag ()); header ("vector<unbounded_array> fast"); bench_my_vector_add<ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, fast_tag ()); #endif #ifdef USE_STD_VALARRAY header ("vector<std::valarray> safe"); bench_my_vector_add<ublas::vector<T, std::valarray<T> >, N> () (runs, safe_tag ()); header ("vector<std::valarray> fast"); bench_my_vector_add<ublas::vector<T, std::valarray<T> >, N> () (runs, fast_tag ()); #endif #ifdef USE_STD_VECTOR header ("vector<std::vector> safe"); bench_my_vector_add<ublas::vector<T, std::vector<T> >, N> () (runs, safe_tag ()); header ("vector<std::vector> fast"); bench_my_vector_add<ublas::vector<T, std::vector<T> >, N> () (runs, fast_tag ()); #endif #ifdef USE_STD_VALARRAY header ("std::valarray"); bench_cpp_vector_add<std::valarray<T>, N> () (runs); #endif } #ifdef USE_FLOAT template struct bench_1<float, 3>; template struct bench_1<float, 10>; template struct bench_1<float, 30>; template struct bench_1<float, 100>; #endif #ifdef USE_DOUBLE template struct bench_1<double, 3>; template struct bench_1<double, 10>; template struct bench_1<double, 30>; template struct bench_1<double, 100>; #endif #ifdef USE_STD_COMPLEX #ifdef USE_FLOAT template struct bench_1<std::complex<float>, 3>; template struct bench_1<std::complex<float>, 10>; template struct bench_1<std::complex<float>, 30>; template struct bench_1<std::complex<float>, 100>; #endif #ifdef USE_DOUBLE template struct bench_1<std::complex<double>, 3>; template struct bench_1<std::complex<double>, 10>; template struct bench_1<std::complex<double>, 30>; template struct bench_1<std::complex<double>, 100>; #endif #endif