source/test/mat_performance_test.cc File Reference

Performs some matrix-matrix multiplication operations and outputs timings. More...

#include <stdio.h>
#include <unistd.h>
#include <memory>
#include <limits>
#include "matrix_typedefs.h"
#include "matrix_utilities.h"
#include "utilities.h"
#include "config.h"

Functions
static void	get_random_matrix_full (int n, std::vector< ergo_real > &fullMat)
static void	get_matrix_from_full (normalMatrix &result, mat::SizesAndBlocks sizeBlockInfo, const std::vector< ergo_real > &fullMat)
static void	verify_mmul_result (int n, const std::vector< ergo_real > &fullMat_A, const std::vector< ergo_real > &fullMat_B, const normalMatrix &C)
int	main (int argc, char *argv[])

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Detailed Description

Performs some matrix-matrix multiplication operations and outputs timings.

The point is to show how different block sizes affects the performance of matrix-matrix multiplication using the hierarchic matrix library.

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Function Documentation

static void get_matrix_from_full	(	normalMatrix &	result,
		mat::SizesAndBlocks	sizeBlockInfo,
		const std::vector< ergo_real > &	fullMat
	)			[static]

static void get_random_matrix_full	(	int	n,
		std::vector< ergo_real > &	fullMat
	)			[static]

Referenced by main().

int main	(	int	argc,
		char *	argv[]
	)

References A, B, get_matrix_from_full(), get_random_matrix_full(), Util::TimeMeter::get_start_time_wall_seconds(), Util::TimeMeter::get_wall_seconds(), mat::Params::getMatrixParallelLevel(), mat::Params::getNProcs(), prepareMatrixSizesAndBlocks(), mat::Params::setMatrixParallelLevel(), mat::Params::setNProcs(), and verify_mmul_result().

static void verify_mmul_result	(	int	n,
		const std::vector< ergo_real > &	fullMat_A,
		const std::vector< ergo_real > &	fullMat_B,
		const normalMatrix &	C
	)			[static]

References template_blas_fabs().

Referenced by main().