time_dgesv.c

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#define _TYPE  double
#define _PREC  double
#define _LAMCH LAPACKE_dlamch_work

#define _NAME  "PLASMA_dgesv"
/* See Lawn 41 page 120 */
#define _FMULS (FMULS_GETRF( N, N ) + FMULS_GETRS( N, NRHS ))
#define _FADDS (FADDS_GETRF( N, N ) + FADDS_GETRS( N, NRHS ))

#include "./timing.c"

static int
RunTest(int *iparam, double *dparam, real_Double_t *t_) 
{
    PASTE_CODE_IPARAM_LOCALS( iparam );
    
    if ( M != N ) {
        fprintf(stderr, "This timing works only with M == N\n");
        return -1;
    }
    
    /* Allocate Data */
    PASTE_CODE_ALLOCATE_MATRIX( A, 1, double, LDA, N    );
    PASTE_CODE_ALLOCATE_MATRIX( X, 1, double, LDB, NRHS );
    PASTE_CODE_ALLOCATE_MATRIX( piv, 1, int, N, 1 );
    
    /* Initialiaze Data */
    PLASMA_dplrnt( N, N,    A, LDA,   51 );
    PLASMA_dplrnt( N, NRHS, X, LDB, 5673 );

    /* Save A and b  */
    PASTE_CODE_ALLOCATE_COPY( Acpy, check, double, A, LDA, N    );
    PASTE_CODE_ALLOCATE_COPY( B,    check, double, X, LDB, NRHS );

    START_TIMING();
    PLASMA_dgesv( N, NRHS, A, N, piv, X, LDB );
    STOP_TIMING();
    
    /* Check the solution */
    if (check)
      {
        dparam[IPARAM_RES] = d_check_solution(N, N, NRHS, Acpy, LDA, B, X, LDB,
                                              &(dparam[IPARAM_ANORM]), 
                                              &(dparam[IPARAM_BNORM]), 
                                              &(dparam[IPARAM_XNORM]));
        free(Acpy); free(B);
      }

    free( piv );
    free( X );
    free( A );

    return 0;
}