bench22.cpp

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            for (int i = 0; i < runs; ++ i) {
                m3 = - (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;
        }
    }
    void operator () (int runs, fast_tag) const {
        try {
            static M m1 (N, N, N * N), m2 (N, N, N * N), m3 (N, N, 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_SPARSE_MATRIX
#ifdef USE_MAP_ARRAY
    header ("sparse_matrix<map_array>, sparse_vector<map_array> safe");
    bench_my_outer_prod<ublas::sparse_matrix<T, ublas::row_major, ublas::map_array<std::size_t, T> >,
                        ublas::sparse_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, safe_tag ());

    header ("sparse_matrix<map_array>, sparse_vector<map_array> fast");
    bench_my_outer_prod<ublas::sparse_matrix<T, ublas::row_major, ublas::map_array<std::size_t, T> >,
                        ublas::sparse_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_MAP
    header ("sparse_matrix<std::map>, sparse_vector<std::map> safe");
    bench_my_outer_prod<ublas::sparse_matrix<T, ublas::row_major, std::map<std::size_t, T> >,
                        ublas::sparse_vector<T, std::map<std::size_t, T> >, N> () (runs, safe_tag ());

    header ("sparse_matrix<std::map>, sparse_vector<std::map> fast");
    bench_my_outer_prod<ublas::sparse_matrix<T, ublas::row_major, std::map<std::size_t, T> >,
                        ublas::sparse_vector<T, std::map<std::size_t, T> >, N> () (runs, fast_tag ());
#endif
#endif

#ifdef USE_COMPRESSED_MATRIX
    header ("compressed_matrix, compressed_vector safe");
    bench_my_outer_prod<ublas::compressed_matrix<T, ublas::row_major>,
                        ublas::compressed_vector<T>, N> () (runs, safe_tag ());

    header ("compressed_matrix, compressed_vector fast");
    bench_my_outer_prod<ublas::compressed_matrix<T, ublas::row_major>,
                        ublas::compressed_vector<T>, N> () (runs, fast_tag ());
#endif

#ifdef USE_COORDINATE_MATRIX
    header ("coordinate_matrix, coordinate_vector safe");
    bench_my_outer_prod<ublas::coordinate_matrix<T, ublas::row_major>,
                        ublas::coordinate_vector<T>, N> () (runs, safe_tag ());

    header ("coordinate_matrix, coordinate_vector fast");
    bench_my_outer_prod<ublas::coordinate_matrix<T, ublas::row_major>,
                        ublas::coordinate_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_SPARSE_MATRIX
#ifdef USE_MAP_ARRAY
    header ("sparse_matrix<map_array>, sparse_vector<map_array> safe");
    bench_my_matrix_vector_prod<ublas::sparse_matrix<T, ublas::row_major, ublas::map_array<std::size_t, T> >,
                                ublas::sparse_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, safe_tag ());

    header ("sparse_matrix<map_array>, sparse_vector<map_array> fast");
    bench_my_matrix_vector_prod<ublas::sparse_matrix<T, ublas::row_major, ublas::map_array<std::size_t, T> >,
                                ublas::sparse_vector<T, ublas::map_array<std::size_t, T> >, N> () (runs, fast_tag ());
#endif

#ifdef USE_STD_MAP
    header ("sparse_matrix<std::map>, sparse_vector<std::map> safe");
    bench_my_matrix_vector_prod<ublas::sparse_matrix<T, ublas::row_major, std::map<std::size_t, T> >,
                                ublas::sparse_vector<T, std::map<std::size_t, T> >, N> () (runs, safe_tag ());

    header ("sparse_matrix<std::map>, sparse_vector<std::map> fast");
    bench_my_matrix_vector_prod<ublas::sparse_matrix<T, ublas::row_major, std::map<std::size_t, T> >,
                                ublas::sparse_vector<T, std::map<std::size_t, T> >, N> () (runs, fast_tag ());
#endif
#endif

#ifdef USE_COMPRESSED_MATRIX
    header ("compressed_matrix, compressed_vector safe");
    bench_my_matrix_vector_prod<ublas::compressed_matrix<T, ublas::row_major>,
                                ublas::compressed_vector<T>, N> () (runs, safe_tag ());

    header ("compressed_matrix, compressed_vector fast");
    bench_my_matrix_vector_prod<ublas::compressed_matrix<T, ublas::row_major>,
                                ublas::compressed_vector<T>, N> () (runs, fast_tag ());
#endif

#ifdef USE_COORDINATE_MATRIX
    header ("coordinate_matrix, coordinate_vector safe");
    bench_my_matrix_vector_prod<ublas::coordinate_matrix<T, ublas::row_major>,
                                ublas::coordinate_vector<T>, N> () (runs, safe_tag ());

    header ("coordinate_matrix, coordinate_vector fast");
    bench_my_matrix_vector_prod<ublas::coordinate_matrix<T, ublas::row_major>,
                                ublas::coordinate_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_SPARSE_MATRIX
#ifdef USE_MAP_ARRAY
    header ("sparse_matrix<map_array> safe");
    bench_my_matrix_add<ublas::sparse_matrix<T, ublas::row_major, ublas::map_array<std::size_t, T> >, N> () (runs, safe_tag ());

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

#ifdef USE_STD_MAP
    header ("sparse_matrix<std::map> safe");
    bench_my_matrix_add<ublas::sparse_matrix<T, ublas::row_major, std::map<std::size_t, T> >, N> () (runs, safe_tag ());

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

#ifdef USE_COMPRESSED_MATRIX
    header ("compressed_matrix safe");
    bench_my_matrix_add<ublas::compressed_matrix<T, ublas::row_major>, N> () (runs, safe_tag ());

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

#ifdef USE_COORDINATE_MATRIX
    header ("coordinate_matrix safe");
    bench_my_matrix_add<ublas::coordinate_matrix<T, ublas::row_major>, N> () (runs, safe_tag ());

    header ("coordinate_matrix fast");
    bench_my_matrix_add<ublas::coordinate_matrix<T, ublas::row_major>, 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