bench32.cpp

C++的一个好库。。。现在很流行

            }
            footer<value_type> () (0, 2 * N * N, runs, t.elapsed ());
        }
        catch (std::exception &e) {
            std::cout << e.what () << std::endl;
        }
    }
    void operator () (int runs, fast_tag) const {
        try {
            static M m1 (N, N), m2 (N, N), m3 (N, N);
            initialize_matrix (m1);
            initialize_matrix (m2);
            boost::timer t;
            for (int i = 0; i < runs; ++ i) {
                m3.assign (- (m1 + m2));
//                sink_matrix (m3);
            }
            footer<value_type> () (0, 2 * N * N, runs, t.elapsed ());
        }
        catch (std::exception &e) {
            std::cout << e.what () << std::endl;
        }
    }
};
template<class M, int N>
struct bench_cpp_matrix_add {
    typedef typename M::value_type value_type;

    void operator () (int runs) const {
        try {
            static M m1 (N * N), m2 (N * N), m3 (N * N);
            initialize_vector (m1);
            initialize_vector (m2);
            boost::timer t;
            for (int i = 0; i < runs; ++ i) {
                m3 = - (m1 + m2);
//                sink_vector (m3);
            }
            footer<value_type> () (0, 2 * N * N, runs, t.elapsed ());
        }
        catch (std::exception &e) {
            std::cout << e.what () << std::endl;
        }
    }
};

// Benchmark O (n ^ 2)
template<class T, int N>
void bench_2<T, N>::operator () (int runs) {
    header ("bench_2");

    header ("outer_prod");

    header ("C array");
    bench_c_outer_prod<T, N> () (runs);

#ifdef USE_C_ARRAY
    header ("c_matrix, c_vector safe");
    bench_my_outer_prod<ublas::c_matrix<T, N, N>,
                        ublas::c_vector<T, N>, N> () (runs, safe_tag ());

    header ("c_matrix, c_vector fast");
    bench_my_outer_prod<ublas::c_matrix<T, N, N>,
                        ublas::c_vector<T, N>, N> () (runs, fast_tag ());
#endif

#ifdef USE_BOUNDED_ARRAY
    header ("matrix<bounded_array>, vector<bounded_array> safe");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, ublas::bounded_array<T, N * N> >,
                        ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, safe_tag ());

    header ("matrix<bounded_array>, vector<bounded_array> fast");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, ublas::bounded_array<T, N * N> >,
                        ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_UNBOUNDED_ARRAY
    header ("matrix<unbounded_array>, vector<unbounded_array> safe");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, ublas::unbounded_array<T> >,
                        ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, safe_tag ());

    header ("matrix<unbounded_array>, vector<unbounded_array> fast");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, ublas::unbounded_array<T> >,
                        ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VALARRAY
    header ("matrix<std::valarray>, vector<std::valarray> safe");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, std::valarray<T> >,
                        ublas::vector<T, std::valarray<T> >, N> () (runs, safe_tag ());

    header ("matrix<std::valarray>, vector<std::valarray> fast");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, std::valarray<T> >,
                        ublas::vector<T, std::valarray<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VECTOR
    header ("matrix<std::vector>, vector<std::vector> safe");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, std::vector<T> >,
                        ublas::vector<T, std::vector<T> >, N> () (runs, safe_tag ());

    header ("matrix<std::vector>, vector<std::vector> fast");
    bench_my_outer_prod<ublas::matrix<T, ublas::row_major, std::vector<T> >,
                        ublas::vector<T, std::vector<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VALARRAY
    header ("std::valarray");
    bench_cpp_outer_prod<std::valarray<T>, std::valarray<T>, N> () (runs);
#endif

    header ("prod (matrix, vector)");

    header ("C array");
    bench_c_matrix_vector_prod<T, N> () (runs);

#ifdef USE_C_ARRAY
    header ("c_matrix, c_vector safe");
    bench_my_matrix_vector_prod<ublas::c_matrix<T, N, N>,
                                ublas::c_vector<T, N>, N> () (runs, safe_tag ());

    header ("c_matrix, c_vector fast");
    bench_my_matrix_vector_prod<ublas::c_matrix<T, N, N>,
                                ublas::c_vector<T, N>, N> () (runs, fast_tag ());
#endif

#ifdef USE_BOUNDED_ARRAY
    header ("matrix<bounded_array>, vector<bounded_array> safe");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, ublas::bounded_array<T, N * N> >,
                                ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, safe_tag ());

    header ("matrix<bounded_array>, vector<bounded_array> fast");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, ublas::bounded_array<T, N * N> >,
                                ublas::vector<T, ublas::bounded_array<T, N> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_UNBOUNDED_ARRAY
    header ("matrix<unbounded_array>, vector<unbounded_array> safe");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, ublas::unbounded_array<T> >,
                                ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, safe_tag ());

    header ("matrix<unbounded_array>, vector<unbounded_array> fast");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, ublas::unbounded_array<T> >,
                                ublas::vector<T, ublas::unbounded_array<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VALARRAY
    header ("matrix<std::valarray>, vector<std::valarray> safe");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, std::valarray<T> >,
                                ublas::vector<T, std::valarray<T> >, N> () (runs, safe_tag ());

    header ("matrix<std::valarray>, vector<std::valarray> fast");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, std::valarray<T> >,
                                ublas::vector<T, std::valarray<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VECTOR
    header ("matrix<std::vector>, vector<std::vector> safe");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, std::vector<T> >,
                                ublas::vector<T, std::vector<T> >, N> () (runs, safe_tag ());

    header ("matrix<std::vector>, vector<std::vector> fast");
    bench_my_matrix_vector_prod<ublas::matrix<T, ublas::row_major, std::vector<T> >,
                                ublas::vector<T, std::vector<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VALARRAY
    header ("std::valarray");
    bench_cpp_matrix_vector_prod<std::valarray<T>, std::valarray<T>, N> () (runs);
#endif

    header ("matrix + matrix");

    header ("C array");
    bench_c_matrix_add<T, N> () (runs);

#ifdef USE_C_ARRAY
    header ("c_matrix safe");
    bench_my_matrix_add<ublas::c_matrix<T, N, N>, N> () (runs, safe_tag ());

    header ("c_matrix fast");
    bench_my_matrix_add<ublas::c_matrix<T, N, N>, N> () (runs, fast_tag ());
#endif

#ifdef USE_BOUNDED_ARRAY
    header ("matrix<bounded_array> safe");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, ublas::bounded_array<T, N * N> >, N> () (runs, safe_tag ());

    header ("matrix<bounded_array> fast");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, ublas::bounded_array<T, N * N> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_UNBOUNDED_ARRAY
    header ("matrix<unbounded_array> safe");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, ublas::unbounded_array<T> >, N> () (runs, safe_tag ());

    header ("matrix<unbounded_array> fast");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, ublas::unbounded_array<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VALARRAY
    header ("matrix<std::valarray> safe");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, std::valarray<T> >, N> () (runs, safe_tag ());

    header ("matrix<std::valarray> fast");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, std::valarray<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VECTOR
    header ("matrix<std::vector> safe");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, std::vector<T> >, N> () (runs, safe_tag ());

    header ("matrix<std::vector> fast");
    bench_my_matrix_add<ublas::matrix<T, ublas::row_major, std::vector<T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_VALARRAY
    header ("std::valarray");
    bench_cpp_matrix_add<std::valarray<T>, N> () (runs);
#endif
}

#ifdef USE_FLOAT
template struct bench_2<float, 3>;
template struct bench_2<float, 10>;
template struct bench_2<float, 30>;
template struct bench_2<float, 100>;
#endif

#ifdef USE_DOUBLE
template struct bench_2<double, 3>;
template struct bench_2<double, 10>;
template struct bench_2<double, 30>;
template struct bench_2<double, 100>;
#endif

#ifdef USE_STD_COMPLEX
#ifdef USE_FLOAT
template struct bench_2<std::complex<float>, 3>;
template struct bench_2<std::complex<float>, 10>;
template struct bench_2<std::complex<float>, 30>;
template struct bench_2<std::complex<float>, 100>;
#endif

#ifdef USE_DOUBLE
template struct bench_2<std::complex<double>, 3>;
template struct bench_2<std::complex<double>, 10>;
template struct bench_2<std::complex<double>, 30>;
template struct bench_2<std::complex<double>, 100>;
#endif
#endif