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huangweifeng
2026-10-22 09:23:54 +08:00
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third_party/eigen/bench/btl/libs/ublas/CMakeLists.txt
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find_package(Boost)
if (Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
include_directories(${Boost_INCLUDES})
btl_add_bench(btl_ublas main.cpp)
endif ()
third_party/eigen/bench/btl/libs/ublas/main.cpp
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//=====================================================
// File : main.cpp
// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:27 CEST 2002
//=====================================================
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
#include "utilities.h"
#include "ublas_interface.hh"
#include "bench.hh"
#include "basic_actions.hh"
BTL_MAIN;
int main() {
bench<Action_axpy<ublas_interface<REAL_TYPE> > >(MIN_AXPY, MAX_AXPY, NB_POINT);
bench<Action_axpby<ublas_interface<REAL_TYPE> > >(MIN_AXPY, MAX_AXPY, NB_POINT);
bench<Action_matrix_vector_product<ublas_interface<REAL_TYPE> > >(MIN_MV, MAX_MV, NB_POINT);
bench<Action_atv_product<ublas_interface<REAL_TYPE> > >(MIN_MV, MAX_MV, NB_POINT);
bench<Action_matrix_matrix_product<ublas_interface<REAL_TYPE> > >(MIN_MM, MAX_MM, NB_POINT);
// bench<Action_ata_product<ublas_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
// bench<Action_aat_product<ublas_interface<REAL_TYPE> > >(MIN_MM,MAX_MM,NB_POINT);
bench<Action_trisolve<ublas_interface<REAL_TYPE> > >(MIN_MM, MAX_MM, NB_POINT);
return 0;
}
third_party/eigen/bench/btl/libs/ublas/ublas_interface.hh
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//=====================================================
// File : ublas_interface.hh
// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:27 CEST 2002
//=====================================================
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
#ifndef UBLAS_INTERFACE_HH
#define UBLAS_INTERFACE_HH
#include <boost/numeric/ublas/vector.hpp>
#include <boost/numeric/ublas/matrix.hpp>
#include <boost/numeric/ublas/io.hpp>
#include <boost/numeric/ublas/triangular.hpp>
using namespace boost::numeric;
template <class real>
class ublas_interface {
public:
typedef real real_type;
typedef std::vector<real> stl_vector;
typedef std::vector<stl_vector> stl_matrix;
typedef typename boost::numeric::ublas::matrix<real, boost::numeric::ublas::column_major> gene_matrix;
typedef typename boost::numeric::ublas::vector<real> gene_vector;
static inline std::string name(void) { return "ublas"; }
static void free_matrix(gene_matrix& A, int N) {}
static void free_vector(gene_vector& B) {}
static inline void matrix_from_stl(gene_matrix& A, stl_matrix& A_stl) {
A.resize(A_stl.size(), A_stl[0].size());
for (int j = 0; j < A_stl.size(); j++)
for (int i = 0; i < A_stl[j].size(); i++) A(i, j) = A_stl[j][i];
}
static inline void vector_from_stl(gene_vector& B, stl_vector& B_stl) {
B.resize(B_stl.size());
for (int i = 0; i < B_stl.size(); i++) B(i) = B_stl[i];
}
static inline void vector_to_stl(gene_vector& B, stl_vector& B_stl) {
for (int i = 0; i < B_stl.size(); i++) B_stl[i] = B(i);
}
static inline void matrix_to_stl(gene_matrix& A, stl_matrix& A_stl) {
int N = A_stl.size();
for (int j = 0; j < N; j++) {
A_stl[j].resize(N);
for (int i = 0; i < N; i++) A_stl[j][i] = A(i, j);
}
}
static inline void copy_vector(const gene_vector& source, gene_vector& cible, int N) {
for (int i = 0; i < N; i++) {
cible(i) = source(i);
}
}
static inline void copy_matrix(const gene_matrix& source, gene_matrix& cible, int N) {
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++) {
cible(i, j) = source(i, j);
}
}
}
static inline void matrix_vector_product_slow(gene_matrix& A, gene_vector& B, gene_vector& X, int N) {
X = prod(A, B);
}
static inline void matrix_matrix_product_slow(gene_matrix& A, gene_matrix& B, gene_matrix& X, int N) {
X = prod(A, B);
}
static inline void axpy_slow(const real coef, const gene_vector& X, gene_vector& Y, int N) { Y += coef * X; }
// alias free assignments
static inline void matrix_vector_product(gene_matrix& A, gene_vector& B, gene_vector& X, int N) {
X.assign(prod(A, B));
}
static inline void atv_product(gene_matrix& A, gene_vector& B, gene_vector& X, int N) { X.assign(prod(trans(A), B)); }
static inline void matrix_matrix_product(gene_matrix& A, gene_matrix& B, gene_matrix& X, int N) {
X.assign(prod(A, B));
}
static inline void axpy(const real coef, const gene_vector& X, gene_vector& Y, int N) { Y.plus_assign(coef * X); }
static inline void axpby(real a, const gene_vector& X, real b, gene_vector& Y, int N) { Y = a * X + b * Y; }
static inline void ata_product(gene_matrix& A, gene_matrix& X, int N) {
// X = prod(trans(A),A);
X.assign(prod(trans(A), A));
}
static inline void aat_product(gene_matrix& A, gene_matrix& X, int N) {
// X = prod(A,trans(A));
X.assign(prod(A, trans(A)));
}
static inline void trisolve_lower(const gene_matrix& L, const gene_vector& B, gene_vector& X, int N) {
X = solve(L, B, ublas::lower_tag());
}
};
#endif