コード例 #1
0
static int
RunTest(int *iparam, float *dparam, real_Double_t *t_) 
{
    float *A = NULL, *AT, *b = NULL, *bT, *x;
    PLASMA_desc        *descA, *descB, *descT;
    real_Double_t       t;
    int nb, nb2, nt;
    int n     = iparam[TIMING_N];
    int nrhs  = iparam[TIMING_NRHS];
    int check = iparam[TIMING_CHECK];
    int lda = n;
    int ldb = n;

    /* Initialize Plasma */ 
    PLASMA_Init( iparam[TIMING_THRDNBR] );
    if ( iparam[TIMING_SCHEDULER] )
        PLASMA_Set(PLASMA_SCHEDULING_MODE, PLASMA_DYNAMIC_SCHEDULING );
    else
        PLASMA_Set(PLASMA_SCHEDULING_MODE, PLASMA_STATIC_SCHEDULING );

    /*if ( !iparam[TIMING_AUTOTUNING] ) {*/
        PLASMA_Disable(PLASMA_AUTOTUNING);
        PLASMA_Set(PLASMA_TILE_SIZE,        iparam[TIMING_NB] );
        PLASMA_Set(PLASMA_INNER_BLOCK_SIZE, iparam[TIMING_IB] );
    /* } else { */
    /*     PLASMA_Get(PLASMA_TILE_SIZE,        &iparam[TIMING_NB] ); */
    /*     PLASMA_Get(PLASMA_INNER_BLOCK_SIZE, &iparam[TIMING_IB] ); */
    /* }  */
    nb  = iparam[TIMING_NB];
    nb2 = nb * nb;
    nt  = n / nb + ((n % nb == 0) ? 0 : 1);
    
    /* Allocate Data */
    AT  = (float *)malloc(nt*nt*nb2*sizeof(float));

    /* Check if unable to allocate memory */
    if ( !AT ){
        printf("Out of Memory \n ");
        exit(0);
    }

    /* Initialiaze Data */
    PLASMA_Desc_Create(&descA, AT, PlasmaRealFloat, nb, nb, nb*nb, n, n, 0, 0, n, n);
    LAPACKE_slarnv_work(1, ISEED, nt*nt*nb2, AT);

    /* Allocate Workspace */
    PLASMA_Alloc_Workspace_sgels_Tile(n, n, &descT);

    /* Save AT in lapack layout for check */
    if ( check ) {
        A = (float *)malloc(lda*n    *sizeof(float));
        PLASMA_Tile_to_Lapack(descA, (void*)A, n);
    }

    t = -cWtime();
    PLASMA_sgeqrf_Tile( descA, descT );
    t += cWtime();
    *t_ = t;
    
    /* Check the solution */
    if ( check )
      {
        b  = (float *)malloc(ldb*nrhs *sizeof(float));
        bT = (float *)malloc(nt*nb2   *sizeof(float));
        x  = (float *)malloc(ldb*nrhs *sizeof(float));

        LAPACKE_slarnv_work(1, ISEED, nt*nb2, bT);
        PLASMA_Desc_Create(&descB, bT, PlasmaRealFloat, nb, nb, nb*nb, n, nrhs, 0, 0, n, nrhs);
        PLASMA_Tile_to_Lapack(descB, (void*)b, n);

        PLASMA_sgeqrs_Tile( descA, descT, descB );

        PLASMA_Tile_to_Lapack(descB, (void*)x, n);

        dparam[TIMING_RES] = s_check_solution(n, n, nrhs, A, lda, b, x, ldb,
                                             &(dparam[TIMING_ANORM]), &(dparam[TIMING_BNORM]), 
                                             &(dparam[TIMING_XNORM]));

        PLASMA_Desc_Destroy(&descB);
        free( A ); 
        free( b ); 
        free( bT ); 
        free( x );
      }

    /* Allocate Workspace */
    PLASMA_Dealloc_Handle_Tile(&descT);

    PLASMA_Desc_Destroy(&descA);

    free( AT );
    PLASMA_Finalize();

    return 0;
}
コード例 #2
0
static int
RunTest(int *iparam, float *dparam, real_Double_t *t_) 
{
    float *AT;
    PLASMA_desc        *descA, *descT;
    real_Double_t       t;
    int nb;
    //int M = N/nrhs; // (ALSO USED IN TIMING.C)
    int M     = iparam[TIMING_M];
    int N     = iparam[TIMING_N];
    int lda = M;

    /* Initialize Plasma */ 
    PLASMA_Init( iparam[TIMING_THRDNBR] );
    if ( iparam[TIMING_SCHEDULER] )
        PLASMA_Set(PLASMA_SCHEDULING_MODE, PLASMA_DYNAMIC_SCHEDULING );
    else
        PLASMA_Set(PLASMA_SCHEDULING_MODE, PLASMA_STATIC_SCHEDULING );

    /*if ( !iparam[TIMING_AUTOTUNING] ) {*/
        PLASMA_Disable(PLASMA_AUTOTUNING);
        PLASMA_Set(PLASMA_TILE_SIZE,        iparam[TIMING_NB] );
        PLASMA_Set(PLASMA_INNER_BLOCK_SIZE, iparam[TIMING_IB] );
    /* } else { */
    /*     PLASMA_Get(PLASMA_TILE_SIZE,        &iparam[TIMING_NB] ); */
    /*     PLASMA_Get(PLASMA_INNER_BLOCK_SIZE, &iparam[TIMING_IB] ); */
    /* }  */
    nb  = iparam[TIMING_NB];

    /* Householder mode */
    //PLASMA_Set(PLASMA_HOUSEHOLDER_MODE, PLASMA_FLAT_HOUSEHOLDER);
    PLASMA_Set(PLASMA_HOUSEHOLDER_MODE, PLASMA_TREE_HOUSEHOLDER);
    PLASMA_Set(PLASMA_HOUSEHOLDER_SIZE, 4);
    
    /* Allocate Data */
    AT  = (float *)malloc(lda*N*sizeof(float));

    /* Check if unable to allocate memory */
    if ( !AT ){
        printf("Out of Memory \n ");
        exit(0);
    }

    /* Initialiaze Data */
    PLASMA_Desc_Create(&descA, AT, PlasmaRealFloat, nb, nb, nb*nb, M, N, 0, 0, M, N);
    LAPACKE_slarnv_work(1, ISEED, lda*N, AT);

    /* Allocate Workspace */
    PLASMA_Alloc_Workspace_sgels_Tile(M, N, &descT);

    t = -cWtime();
    PLASMA_sgelqf_Tile( descA, descT );
    t += cWtime();
    *t_ = t;
    
    /* Allocate Workspace */
    PLASMA_Dealloc_Handle_Tile(&descT);

    PLASMA_Desc_Destroy(&descA);

    free( AT );
    PLASMA_Finalize();

    return 0;
}