112 lines
4.2 KiB
C
112 lines
4.2 KiB
C
/*********************************************************************/
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/* Copyright 2009, 2010 The University of Texas at Austin. */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* 1. Redistributions of source code must retain the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer. */
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/* */
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/* 2. Redistributions in binary form must reproduce the above */
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/* copyright notice, this list of conditions and the following */
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/* disclaimer in the documentation and/or other materials */
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/* provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
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/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
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/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
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/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
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/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
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/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
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/* POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/* The views and conclusions contained in the software and */
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/* documentation are those of the authors and should not be */
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/* interpreted as representing official policies, either expressed */
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/* or implied, of The University of Texas at Austin. */
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/*********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "common.h"
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int blas_level1_thread(int mode, BLASLONG m, BLASLONG n, BLASLONG k, void *alpha,
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void *a, BLASLONG lda,
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void *b, BLASLONG ldb,
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void *c, BLASLONG ldc, int (*function)(), int nthreads){
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blas_queue_t queue[MAX_CPU_NUMBER];
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blas_arg_t args [MAX_CPU_NUMBER];
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BLASLONG i, width, astride, bstride;
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int num_cpu, calc_type;
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calc_type = (mode & BLAS_PREC) + ((mode & BLAS_COMPLEX) != 0) + 2;
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mode |= BLAS_LEGACY;
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for (i = 0; i < nthreads; i++) blas_queue_init(&queue[i]);
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num_cpu = 0;
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i = m;
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while (i > 0){
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/* Adjust Parameters */
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width = blas_quickdivide(i + nthreads - num_cpu - 1,
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nthreads - num_cpu);
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i -= width;
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if (i < 0) width = width + i;
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astride = width * lda;
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if (!(mode & BLAS_TRANSB_T)) {
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bstride = width * ldb;
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} else {
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bstride = width;
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}
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astride <<= calc_type;
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bstride <<= calc_type;
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args[num_cpu].m = width;
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args[num_cpu].n = n;
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args[num_cpu].k = k;
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args[num_cpu].a = (void *)a;
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args[num_cpu].b = (void *)b;
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args[num_cpu].c = (void *)c;
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args[num_cpu].lda = lda;
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args[num_cpu].ldb = ldb;
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args[num_cpu].ldc = ldc;
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args[num_cpu].alpha = alpha;
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queue[num_cpu].mode = mode;
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queue[num_cpu].routine = function;
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queue[num_cpu].args = &args[num_cpu];
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queue[num_cpu].next = &queue[num_cpu + 1];
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a = (void *)((BLASULONG)a + astride);
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b = (void *)((BLASULONG)b + bstride);
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num_cpu ++;
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}
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if (num_cpu) {
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queue[num_cpu - 1].next = NULL;
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exec_blas(num_cpu, queue);
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}
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return 0;
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}
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