codelet_zsyr2k.c 6.7 KB
Newer Older
1 2
/**
 *
3 4
 * @copyright (c) 2009-2014 The University of Tennessee and The University
 *                          of Tennessee Research Foundation.
5 6
 *                          All rights reserved.
 * @copyright (c) 2012-2014 Inria. All rights reserved.
7
 * @copyright (c) 2012-2014 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
 *
 **/

/**
 *
 * @file codelet_zsyr2k.c
 *
 *  MORSE codelets kernel
 *  MORSE is a software package provided by Univ. of Tennessee,
 *  Univ. of California Berkeley and Univ. of Colorado Denver
 *
 * @version 2.5.0
 * @comment This file has been automatically generated
 *          from Plasma 2.5.0 for MORSE 1.0.0
 * @author Hatem Ltaief
 * @author Jakub Kurzak
 * @author Mathieu Faverge
 * @author Emmanuel Agullo
 * @author Cedric Castagnede
 * @date 2010-11-15
 * @precisions normal z -> c d s
 *
 **/
#include "morse_starpu.h"
#include "codelet_z.h"

/**
 *
 * @ingroup CORE_MORSE_Complex64_t
 *
 **/

void MORSE_TASK_zsyr2k(MORSE_option_t *options,
                       MORSE_enum uplo, MORSE_enum trans,
                       int n, int k, int nb,
                       MORSE_Complex64_t alpha, MORSE_desc_t *A, int Am, int An, int lda,
                       MORSE_desc_t *B, int Bm, int Bn, int ldb,
                       MORSE_Complex64_t beta, MORSE_desc_t *C, int Cm, int Cn, int ldc)
{
    (void)nb;
    struct starpu_codelet *codelet = &cl_zsyr2k;
    void (*callback)(void*) = options->profiling ? cl_zsyr2k_callback : NULL;

    if ( morse_desc_islocal( A, Am, An ) ||
         morse_desc_islocal( B, Bm, Bn ) ||
         morse_desc_islocal( C, Cm, Cn ) )
    {
        starpu_insert_task(
            codelet,
            STARPU_VALUE,      &uplo,                sizeof(MORSE_enum),
            STARPU_VALUE,     &trans,                sizeof(MORSE_enum),
            STARPU_VALUE,         &n,                        sizeof(int),
            STARPU_VALUE,         &k,                        sizeof(int),
            STARPU_VALUE,     &alpha,         sizeof(MORSE_Complex64_t),
            STARPU_R,                 RTBLKADDR(A, MORSE_Complex64_t, Am, An),
            STARPU_VALUE,       &lda,                        sizeof(int),
            STARPU_R,                 RTBLKADDR(B, MORSE_Complex64_t, Bm, Bn),
            STARPU_VALUE,       &ldb,                        sizeof(int),
            STARPU_VALUE,      &beta,         sizeof(MORSE_Complex64_t),
            STARPU_RW,                 RTBLKADDR(C, MORSE_Complex64_t, Cm, Cn),
            STARPU_VALUE,       &ldc,                        sizeof(int),
            STARPU_PRIORITY,    options->priority,
            STARPU_CALLBACK,    callback,
            0);
    }
}


static void cl_zsyr2k_cpu_func(void *descr[], void *cl_arg)
{
    MORSE_enum uplo;
    MORSE_enum trans;
    int n;
    int k;
    MORSE_Complex64_t alpha;
    MORSE_Complex64_t *A;
    int lda;
    MORSE_Complex64_t *B;
    int ldb;
    MORSE_Complex64_t beta;
    MORSE_Complex64_t *C;
    int ldc;

    A = (MORSE_Complex64_t *)STARPU_MATRIX_GET_PTR(descr[0]);
    B = (MORSE_Complex64_t *)STARPU_MATRIX_GET_PTR(descr[1]);
    C = (MORSE_Complex64_t *)STARPU_MATRIX_GET_PTR(descr[2]);
    starpu_codelet_unpack_args(cl_arg, &uplo, &trans, &n, &k, &alpha, &lda, &ldb, &beta, &ldc);
    cblas_zsyr2k(CblasColMajor, (CBLAS_UPLO)uplo, (CBLAS_TRANSPOSE)trans,
                 n, k, CBLAS_SADDR(alpha), A, lda, B, ldb, CBLAS_SADDR(beta), C, ldc);
}

99
#ifdef CHAMELEON_USE_CUDA
100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
#if defined(CHAMELEON_USE_CUBLAS_V2)
static void cl_zsyr2k_cuda_func(void *descr[], void *cl_arg)
{
    MORSE_enum uplo;
    MORSE_enum trans;
    int n;
    int k;
    cuDoubleComplex alpha;
    const cuDoubleComplex *A;
    int lda;
    const cuDoubleComplex *B;
    int ldb;
    cuDoubleComplex beta;
    cuDoubleComplex *C;
    int ldc;
115 116 117 118 119
    CUstream stream;
    cublasHandle_t handle;
    cublasStatus_t stat;
    cublasFillMode_t cublasUplo;
    cublasOperation_t cublasTrans;
120 121 122 123 124 125

    A = (const cuDoubleComplex *)STARPU_MATRIX_GET_PTR(descr[0]);
    B = (const cuDoubleComplex *)STARPU_MATRIX_GET_PTR(descr[1]);
    C = (cuDoubleComplex *)STARPU_MATRIX_GET_PTR(descr[2]);
    starpu_codelet_unpack_args(cl_arg, &uplo, &trans, &n, &k, &alpha, &lda, &ldb, &beta, &ldc);

126
    stat = cublasCreate(&handle);
127 128 129 130 131
    if (stat != CUBLAS_STATUS_SUCCESS) {
        printf ("CUBLAS initialization failed\n");
        assert( stat == CUBLAS_STATUS_SUCCESS );
    }

132
    stream = starpu_cuda_get_local_stream();
133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
    stat = cublasSetStream(handle, stream);
    if (stat != CUBLAS_STATUS_SUCCESS) {
        printf ("cublasSetStream failed\n");
        assert( stat == CUBLAS_STATUS_SUCCESS );
    }

    if (uplo == MorseUpper){
        cublasUplo = CUBLAS_FILL_MODE_UPPER;
    }else if(uplo == MorseLower){
        cublasUplo = CUBLAS_FILL_MODE_LOWER;
    }else if(uplo == MorseUpperLower){
        cublasUplo = 0;
    }else{
        fprintf(stderr, "Error in cl_zsyr2k_cuda_func: bad uplo parameter %d\n", uplo);
    }
    if (trans == MorseNoTrans){
        cublasTrans = CUBLAS_OP_N;
    }else if(trans == MorseTrans){
        cublasTrans = CUBLAS_OP_T;
    }else if(trans == MorseConjTrans){
        cublasTrans = CUBLAS_OP_C;
    }else{
        fprintf(stderr, "Error in cl_zsyr2k_cuda_func: bad trans parameter %d\n", trans);
    }

    stat = cublasZsyr2k( handle, cublasUplo, cublasTrans,
        n, k, (const cuDoubleComplex *) &alpha, A, lda, B, ldb,
        (const cuDoubleComplex *) &beta, C, ldc);
    if (stat != CUBLAS_STATUS_SUCCESS){
        printf ("cublasZsyr2k failed");
        cublasDestroy(handle);
        assert( stat == CUBLAS_STATUS_SUCCESS );
    }

    cublasDestroy(handle);

#ifndef STARPU_CUDA_ASYNC
    cudaStreamSynchronize( stream );
#endif

    return;
}
#else /* CHAMELEON_USE_CUBLAS_V2 */
176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
static void cl_zsyr2k_cuda_func(void *descr[], void *cl_arg)
{
    MORSE_enum uplo;
    MORSE_enum trans;
    int n;
    int k;
    cuDoubleComplex alpha;
    cuDoubleComplex *A;
    int lda;
    cuDoubleComplex *B;
    int ldb;
    cuDoubleComplex beta;
    cuDoubleComplex *C;
    int ldc;

    A = (cuDoubleComplex *)STARPU_MATRIX_GET_PTR(descr[0]);
    B = (cuDoubleComplex *)STARPU_MATRIX_GET_PTR(descr[1]);
    C = (cuDoubleComplex *)STARPU_MATRIX_GET_PTR(descr[2]);
    starpu_codelet_unpack_args(cl_arg, &uplo, &trans, &n, &k, &alpha, &lda, &ldb, &beta, &ldc);

    CUstream stream = starpu_cuda_get_local_stream();
    cublasSetKernelStream( stream );

199
    cublasZsyr2k( morse_lapack_const(uplo), morse_lapack_const(trans),
200 201 202 203 204 205 206 207
                 n, k, alpha, A, lda, B, ldb, beta, C, ldc);

#ifndef STARPU_CUDA_ASYNC
    cudaStreamSynchronize( stream );
#endif

    return;
}
208 209
#endif /* CHAMELEON_USE_CUBLAS_V2 */
#endif /* CHAMELEON_USE_CUDA */
210 211 212 213 214

/*
 * Codelet definition
 */
CODELETS(zsyr2k, 3, cl_zsyr2k_cpu_func, cl_zsyr2k_cuda_func, STARPU_CUDA_ASYNC)