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blas_l1_thread.c
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/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin. */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* 1. Redistributions of source code must retain the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer. */
/* */
/* 2. Redistributions in binary form must reproduce the above */
/* copyright notice, this list of conditions and the following */
/* disclaimer in the documentation and/or other materials */
/* provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
/* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
/* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
/* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
/* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
/* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/* POSSIBILITY OF SUCH DAMAGE. */
/* */
/* The views and conclusions contained in the software and */
/* documentation are those of the authors and should not be */
/* interpreted as representing official policies, either expressed */
/* or implied, of The University of Texas at Austin. */
/*********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "common.h"
int blas_level1_thread(int mode, BLASLONG m, BLASLONG n, BLASLONG k, void *alpha,
void *a, BLASLONG lda,
void *b, BLASLONG ldb,
void *c, BLASLONG ldc, int (*function)(void), int nthreads){
blas_queue_t queue[MAX_CPU_NUMBER];
blas_arg_t args [MAX_CPU_NUMBER];
BLASLONG i, width, astride, bstride;
int num_cpu, calc_type_a, calc_type_b;
switch (mode & BLAS_PREC) {
case BLAS_INT8 :
case BLAS_BFLOAT16:
case BLAS_SINGLE :
case BLAS_DOUBLE :
case BLAS_XDOUBLE :
calc_type_a = calc_type_b = (mode & BLAS_PREC) + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_STOBF16 :
calc_type_a = 2 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 1 + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_DTOBF16 :
calc_type_a = 3 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 1 + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_BF16TOS :
calc_type_a = 1 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 2 + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_BF16TOD :
calc_type_a = 1 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 3 + ((mode & BLAS_COMPLEX) != 0);
break;
default:
calc_type_a = calc_type_b = 0;
break;
}
if(!(mode & BLAS_PTHREAD)) mode |= BLAS_LEGACY;
for (i = 0; i < nthreads; i++) blas_queue_init(&queue[i]);
num_cpu = 0;
i = m;
while (i > 0){
/* Adjust Parameters */
width = blas_quickdivide(i + nthreads - num_cpu - 1,
nthreads - num_cpu);
i -= width;
if (i < 0) width = width + i;
astride = width * lda;
if (!(mode & BLAS_TRANSB_T)) {
bstride = width * ldb;
} else {
bstride = width;
}
astride <<= calc_type_a;
bstride <<= calc_type_b;
args[num_cpu].m = width;
args[num_cpu].n = n;
args[num_cpu].k = k;
args[num_cpu].a = (void *)a;
args[num_cpu].b = (void *)b;
args[num_cpu].c = (void *)c;
args[num_cpu].lda = lda;
args[num_cpu].ldb = ldb;
args[num_cpu].ldc = ldc;
args[num_cpu].alpha = alpha;
queue[num_cpu].mode = mode;
queue[num_cpu].routine = function;
queue[num_cpu].args = &args[num_cpu];
queue[num_cpu].next = &queue[num_cpu + 1];
a = (void *)((BLASULONG)a + astride);
b = (void *)((BLASULONG)b + bstride);
num_cpu ++;
}
if (num_cpu) {
queue[num_cpu - 1].next = NULL;
exec_blas(num_cpu, queue);
}
return 0;
}
int blas_level1_thread_with_return_value(int mode, BLASLONG m, BLASLONG n, BLASLONG k, void *alpha,
void *a, BLASLONG lda,
void *b, BLASLONG ldb,
void *c, BLASLONG ldc, int (*function)(void), int nthreads){
blas_queue_t queue[MAX_CPU_NUMBER];
blas_arg_t args [MAX_CPU_NUMBER];
BLASLONG i, width, astride, bstride;
int num_cpu, calc_type_a, calc_type_b;
switch (mode & BLAS_PREC) {
case BLAS_INT8 :
case BLAS_BFLOAT16:
case BLAS_SINGLE :
case BLAS_DOUBLE :
case BLAS_XDOUBLE :
calc_type_a = calc_type_b = (mode & BLAS_PREC) + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_STOBF16 :
calc_type_a = 2 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 1 + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_DTOBF16 :
calc_type_a = 3 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 1 + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_BF16TOS :
calc_type_a = 1 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 2 + ((mode & BLAS_COMPLEX) != 0);
break;
case BLAS_BF16TOD :
calc_type_a = 1 + ((mode & BLAS_COMPLEX) != 0);
calc_type_b = 3 + ((mode & BLAS_COMPLEX) != 0);
break;
default:
calc_type_a = calc_type_b = 0;
break;
}
mode |= BLAS_LEGACY;
for (i = 0; i < nthreads; i++) blas_queue_init(&queue[i]);
num_cpu = 0;
i = m;
while (i > 0){
/* Adjust Parameters */
width = blas_quickdivide(i + nthreads - num_cpu - 1,
nthreads - num_cpu);
i -= width;
if (i < 0) width = width + i;
astride = width * lda;
if (!(mode & BLAS_TRANSB_T)) {
bstride = width * ldb;
} else {
bstride = width;
}
astride <<= calc_type_a;
bstride <<= calc_type_b;
args[num_cpu].m = width;
args[num_cpu].n = n;
args[num_cpu].k = k;
args[num_cpu].a = (void *)a;
args[num_cpu].b = (void *)b;
args[num_cpu].c = (void *)((char *)c + num_cpu * sizeof(double)*2);
args[num_cpu].lda = lda;
args[num_cpu].ldb = ldb;
args[num_cpu].ldc = ldc;
args[num_cpu].alpha = alpha;
queue[num_cpu].mode = mode;
queue[num_cpu].routine = function;
queue[num_cpu].args = &args[num_cpu];
queue[num_cpu].next = &queue[num_cpu + 1];
a = (void *)((BLASULONG)a + astride);
b = (void *)((BLASULONG)b + bstride);
num_cpu ++;
}
if (num_cpu) {
queue[num_cpu - 1].next = NULL;
exec_blas(num_cpu, queue);
}
return 0;
}