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283 lines
8.1 KiB
C++
283 lines
8.1 KiB
C++
//
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// Copyright (c) 2000-2002
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// Joerg Walter, Mathias Koch
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// The authors gratefully acknowledge the support of
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// GeNeSys mbH & Co. KG in producing this work.
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//
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#include "bench2.hpp"
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template<class T, int N>
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struct bench_c_inner_prod {
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typedef T value_type;
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void operator () (int runs) const {
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try {
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static typename c_vector_traits<T, N>::type v1, v2;
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initialize_c_vector<T, N> () (v1);
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initialize_c_vector<T, N> () (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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static value_type s (0);
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for (int j = 0; j < N; ++ j) {
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s += v1 [j] * v2 [j];
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}
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// sink_scalar (s);
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}
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footer<value_type> () (N, N - 1, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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};
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template<class V, int N>
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struct bench_my_inner_prod {
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typedef typename V::value_type value_type;
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void operator () (int runs) const {
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try {
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static V v1 (N, N), v2 (N, N);
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initialize_vector (v1);
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initialize_vector (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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static value_type s (0);
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s = ublas::inner_prod (v1, v2);
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// sink_scalar (s);
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BOOST_UBLAS_NOT_USED(s);
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}
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footer<value_type> () (N, N - 1, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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};
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template<class V, int N>
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struct bench_cpp_inner_prod {
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typedef typename V::value_type value_type;
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void operator () (int runs) const {
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try {
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static V v1 (N), v2 (N);
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initialize_vector (v1);
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initialize_vector (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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static value_type s (0);
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s = (v1 * v2).sum ();
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// sink_scalar (s);
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}
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footer<value_type> () (N, N - 1, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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};
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template<class T, int N>
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struct bench_c_vector_add {
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typedef T value_type;
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void operator () (int runs) const {
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try {
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static typename c_vector_traits<T, N>::type v1, v2, v3;
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initialize_c_vector<T, N> () (v1);
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initialize_c_vector<T, N> () (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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for (int j = 0; j < N; ++ j) {
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v3 [j] = - (v1 [j] + v2 [j]);
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}
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// sink_c_vector<T, N> () (v3);
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BOOST_UBLAS_NOT_USED(v3);
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}
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footer<value_type> () (0, 2 * N, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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};
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template<class V, int N>
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struct bench_my_vector_add {
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typedef typename V::value_type value_type;
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void operator () (int runs, safe_tag) const {
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try {
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static V v1 (N, N), v2 (N, N), v3 (N, N);
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initialize_vector (v1);
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initialize_vector (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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v3 = - (v1 + v2);
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// sink_vector (v3);
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}
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footer<value_type> () (0, 2 * N, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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void operator () (int runs, fast_tag) const {
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try {
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static V v1 (N, N), v2 (N, N), v3 (N, N);
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initialize_vector (v1);
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initialize_vector (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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v3.assign (- (v1 + v2));
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// sink_vector (v3);
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}
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footer<value_type> () (0, 2 * N, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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};
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template<class V, int N>
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struct bench_cpp_vector_add {
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typedef typename V::value_type value_type;
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void operator () (int runs) const {
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try {
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static V v1 (N), v2 (N), v3 (N);
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initialize_vector (v1);
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initialize_vector (v2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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v3 = - (v1 + v2);
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// sink_vector (v3);
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}
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footer<value_type> () (0, 2 * N, runs, t.elapsed ());
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}
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catch (std::exception &e) {
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std::cout << e.what () << std::endl;
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}
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}
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};
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// Benchmark O (n)
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template<class T, int N>
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void bench_1<T, N>::operator () (int runs) {
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header ("bench_1");
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header ("inner_prod");
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header ("C array");
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bench_c_inner_prod<T, N> () (runs);
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#ifdef USE_MAPPED_VECTOR
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#ifdef USE_MAP_ARRAY
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header ("mapped_vector<map_array>");
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bench_my_inner_prod<ublas::mapped_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs);
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#endif
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#ifdef USE_STD_MAP
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header ("mapped_vector<std::map>");
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bench_my_inner_prod<ublas::mapped_vector<T, std::map<std::size_t, T> >, N> () (runs);
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#endif
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#endif
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#ifdef USE_COMPRESSED_VECTOR
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header ("compressed_vector");
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bench_my_inner_prod<ublas::compressed_vector<T>, N> () (runs);
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#endif
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#ifdef USE_COORDINATE_VECTOR
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header ("coordinate_vector");
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bench_my_inner_prod<ublas::coordinate_vector<T>, N> () (runs);
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#endif
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#ifdef USE_STD_VALARRAY
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header ("std::valarray");
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bench_cpp_inner_prod<std::valarray<T>, N> () (runs);
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#endif
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header ("vector + vector");
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header ("C array");
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bench_c_vector_add<T, N> () (runs);
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#ifdef USE_MAPPED_VECTOR
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#ifdef USE_MAP_ARRAY
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header ("mapped_vector<map_array> safe");
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bench_my_vector_add<ublas::mapped_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, safe_tag ());
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header ("maped_vector<map_array> fast");
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bench_my_vector_add<ublas::mapped_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, fast_tag ());
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#endif
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#ifdef USE_STD_MAP
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header ("mapped_vector<std::map> safe");
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bench_my_vector_add<ublas::mapped_vector<T, std::map<std::size_t, T> >, N> () (runs, safe_tag ());
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header ("mapped_vector<std::map> fast");
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bench_my_vector_add<ublas::mapped_vector<T, std::map<std::size_t, T> >, N> () (runs, fast_tag ());
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#endif
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#endif
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#ifdef USE_COMPRESSED_VECTOR
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#ifdef USE_MAP_ARRAY
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header ("compressed_vector safe");
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bench_my_vector_add<ublas::compressed_vector<T>, N> () (runs, safe_tag ());
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header ("compressed_vector fast");
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bench_my_vector_add<ublas::compressed_vector<T>, N> () (runs, fast_tag ());
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#endif
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#endif
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#ifdef USE_COORDINATE_VECTOR
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#ifdef USE_MAP_ARRAY
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header ("coordinate_vector safe");
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bench_my_vector_add<ublas::coordinate_vector<T>, N> () (runs, safe_tag ());
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header ("coordinate_vector fast");
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bench_my_vector_add<ublas::coordinate_vector<T>, N> () (runs, fast_tag ());
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#endif
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#endif
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#ifdef USE_STD_VALARRAY
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header ("std::valarray");
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bench_cpp_vector_add<std::valarray<T>, N> () (runs);
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#endif
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}
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#ifdef USE_FLOAT
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template struct bench_1<float, 3>;
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template struct bench_1<float, 10>;
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template struct bench_1<float, 30>;
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template struct bench_1<float, 100>;
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#endif
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#ifdef USE_DOUBLE
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template struct bench_1<double, 3>;
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template struct bench_1<double, 10>;
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template struct bench_1<double, 30>;
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template struct bench_1<double, 100>;
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#endif
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#ifdef USE_STD_COMPLEX
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#ifdef USE_FLOAT
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template struct bench_1<std::complex<float>, 3>;
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template struct bench_1<std::complex<float>, 10>;
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template struct bench_1<std::complex<float>, 30>;
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template struct bench_1<std::complex<float>, 100>;
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#endif
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#ifdef USE_DOUBLE
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template struct bench_1<std::complex<double>, 3>;
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template struct bench_1<std::complex<double>, 10>;
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template struct bench_1<std::complex<double>, 30>;
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template struct bench_1<std::complex<double>, 100>;
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#endif
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#endif
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