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https://github.com/saitohirga/WSJT-X.git
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297 lines
8.9 KiB
C++
297 lines
8.9 KiB
C++
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//
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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 "bench3.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), v2 (N);
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ublas::vector_range<V> vr1 (v1, ublas::range (0, N)),
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vr2 (v2, ublas::range (0, N));
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initialize_vector (vr1);
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initialize_vector (vr2);
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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 (vr1, vr2);
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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), v2 (N), v3 (N);
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ublas::vector_range<V> vr1 (v1, ublas::range (0, N)),
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vr2 (v2, ublas::range (0, N)),
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vr3 (v2, ublas::range (0, N));
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initialize_vector (vr1);
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initialize_vector (vr2);
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initialize_vector (vr3);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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vr3 = - (vr1 + vr2);
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// sink_vector (vr3);
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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), v2 (N), v3 (N);
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ublas::vector_range<V> vr1 (v1, ublas::range (0, N)),
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vr2 (v2, ublas::range (0, N)),
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vr3 (v2, ublas::range (0, N));
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initialize_vector (vr1);
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initialize_vector (vr2);
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boost::timer t;
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for (int i = 0; i < runs; ++ i) {
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vr3.assign (- (vr1 + vr2));
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// sink_vector (vr3);
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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_C_ARRAY
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header ("c_vector");
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bench_my_inner_prod<ublas::c_vector<T, N>, N> () (runs);
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#endif
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#ifdef USE_BOUNDED_ARRAY
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header ("vector<bounded_array>");
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bench_my_inner_prod<ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs);
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#endif
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#ifdef USE_UNBOUNDED_ARRAY
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header ("vector<unbounded_array>");
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bench_my_inner_prod<ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs);
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#endif
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#ifdef USE_STD_VALARRAY
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header ("vector<std::valarray>");
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bench_my_inner_prod<ublas::vector<T, std::valarray<T> >, N> () ();
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#endif
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#ifdef USE_STD_VECTOR
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header ("vector<std::vector>");
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bench_my_inner_prod<ublas::vector<T, std::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_C_ARRAY
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header ("c_vector safe");
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bench_my_vector_add<ublas::c_vector<T, N>, N> () (runs, safe_tag ());
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header ("c_vector fast");
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bench_my_vector_add<ublas::c_vector<T, N>, N> () (runs, fast_tag ());
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#endif
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#ifdef USE_BOUNDED_ARRAY
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header ("vector<bounded_array> safe");
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bench_my_vector_add<ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, safe_tag ());
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header ("vector<bounded_array> fast");
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bench_my_vector_add<ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, fast_tag ());
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#endif
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#ifdef USE_UNBOUNDED_ARRAY
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header ("vector<unbounded_array> safe");
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bench_my_vector_add<ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, safe_tag ());
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header ("vector<unbounded_array> fast");
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bench_my_vector_add<ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, fast_tag ());
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#endif
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#ifdef USE_STD_VALARRAY
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header ("vector<std::valarray> safe");
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bench_my_vector_add<ublas::vector<T, std::valarray<T> >, N> () (runs, safe_tag ());
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header ("vector<std::valarray> fast");
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bench_my_vector_add<ublas::vector<T, std::valarray<T> >, N> () (runs, fast_tag ());
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#endif
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#ifdef USE_STD_VECTOR
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header ("vector<std::vector> safe");
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bench_my_vector_add<ublas::vector<T, std::vector<T> >, N> () (runs, safe_tag ());
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header ("vector<std::vector> fast");
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bench_my_vector_add<ublas::vector<T, std::vector<T> >, N> () (runs, fast_tag ());
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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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