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//
// 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 "bench1.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);
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);
}
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);
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), v2 (N), v3 (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_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
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