Squashed 'third_party/boostorg/ublas/' content from commit e8607b3
Change-Id: Ia06afd642157a24e17fa9ddea28fb8601810b78e
git-subtree-dir: third_party/boostorg/ublas
git-subtree-split: e8607b3eea238e590eca93bfe498c21f470155c1
diff --git a/benchmarks/bench2/bench21.cpp b/benchmarks/bench2/bench21.cpp
new file mode 100644
index 0000000..50d70a4
--- /dev/null
+++ b/benchmarks/bench2/bench21.cpp
@@ -0,0 +1,282 @@
+//
+// 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 "bench2.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, N), v2 (N, N);
+ initialize_vector (v1);
+ initialize_vector (v2);
+ boost::timer t;
+ for (int i = 0; i < runs; ++ i) {
+ static value_type s (0);
+ s = ublas::inner_prod (v1, v2);
+// sink_scalar (s);
+ BOOST_UBLAS_NOT_USED(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);
+ BOOST_UBLAS_NOT_USED(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, N), v2 (N, N), v3 (N, 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;
+ }
+ }
+ void operator () (int runs, fast_tag) const {
+ try {
+ static V v1 (N, N), v2 (N, N), v3 (N, N);
+ initialize_vector (v1);
+ initialize_vector (v2);
+ boost::timer t;
+ for (int i = 0; i < runs; ++ i) {
+ v3.assign (- (v1 + v2));
+// sink_vector (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_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_MAPPED_VECTOR
+#ifdef USE_MAP_ARRAY
+ header ("mapped_vector<map_array>");
+ bench_my_inner_prod<ublas::mapped_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs);
+#endif
+
+#ifdef USE_STD_MAP
+ header ("mapped_vector<std::map>");
+ bench_my_inner_prod<ublas::mapped_vector<T, std::map<std::size_t, T> >, N> () (runs);
+#endif
+#endif
+
+#ifdef USE_COMPRESSED_VECTOR
+ header ("compressed_vector");
+ bench_my_inner_prod<ublas::compressed_vector<T>, N> () (runs);
+#endif
+
+#ifdef USE_COORDINATE_VECTOR
+ header ("coordinate_vector");
+ bench_my_inner_prod<ublas::coordinate_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_MAPPED_VECTOR
+#ifdef USE_MAP_ARRAY
+ header ("mapped_vector<map_array> safe");
+ bench_my_vector_add<ublas::mapped_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, safe_tag ());
+
+ header ("maped_vector<map_array> fast");
+ bench_my_vector_add<ublas::mapped_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, fast_tag ());
+#endif
+
+#ifdef USE_STD_MAP
+ header ("mapped_vector<std::map> safe");
+ bench_my_vector_add<ublas::mapped_vector<T, std::map<std::size_t, T> >, N> () (runs, safe_tag ());
+
+ header ("mapped_vector<std::map> fast");
+ bench_my_vector_add<ublas::mapped_vector<T, std::map<std::size_t, T> >, N> () (runs, fast_tag ());
+#endif
+#endif
+
+#ifdef USE_COMPRESSED_VECTOR
+#ifdef USE_MAP_ARRAY
+ header ("compressed_vector safe");
+ bench_my_vector_add<ublas::compressed_vector<T>, N> () (runs, safe_tag ());
+
+ header ("compressed_vector fast");
+ bench_my_vector_add<ublas::compressed_vector<T>, N> () (runs, fast_tag ());
+#endif
+#endif
+
+#ifdef USE_COORDINATE_VECTOR
+#ifdef USE_MAP_ARRAY
+ header ("coordinate_vector safe");
+ bench_my_vector_add<ublas::coordinate_vector<T>, N> () (runs, safe_tag ());
+
+ header ("coordinate_vector fast");
+ bench_my_vector_add<ublas::coordinate_vector<T>, N> () (runs, fast_tag ());
+#endif
+#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