149 lines
		
	
	
		
			5.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			5.1 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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| 
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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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| 
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| static const int divide_rule[][2] =
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|   {{ 0,  0},
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|    { 1,  1}, { 1,  2}, { 1,  3}, { 2,  2},
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|    { 1,  5}, { 2,  3}, { 1,  7}, { 2,  4},
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|    { 3,  3}, { 2,  5}, { 1, 11}, { 2,  6},
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|    { 1, 13}, { 2,  7}, { 3,  5}, { 4,  4},
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|    { 1, 17}, { 3,  6}, { 1, 19}, { 4,  5},
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|    { 3,  7}, { 2, 11}, { 1, 23}, { 4,  6},
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|    { 5,  5}, { 2, 13}, { 3,  9}, { 4,  7},
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|    { 1, 29}, { 5,  6}, { 1, 31}, { 4,  8},
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|    { 3, 11}, { 2, 17}, { 5,  7}, { 6,  6},
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|    { 1, 37}, { 2, 19}, { 3, 13}, { 5,  8},
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|    { 1, 41}, { 6,  7}, { 1, 43}, { 4, 11},
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|    { 5,  9}, { 2, 23}, { 1, 47}, { 6,  8},
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|    { 7,  7}, { 5, 10}, { 3, 17}, { 4, 13},
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|    { 1, 53}, { 6,  9}, { 5, 11}, { 7,  8},
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|    { 3, 19}, { 2, 29}, { 1, 59}, { 6, 10},
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|    { 1, 61}, { 2, 31}, { 7,  9}, { 8,  8},
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| };
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| 
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| int CNAME(int mode, blas_arg_t *arg, BLASLONG *range_m, BLASLONG *range_n, int (*function)(), void *sa, void *sb, BLASLONG nthreads) {
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| 
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|   blas_queue_t queue[MAX_CPU_NUMBER];
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| 
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|   BLASLONG range_M[MAX_CPU_NUMBER + 1], range_N[MAX_CPU_NUMBER + 1];
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|   BLASLONG procs, num_cpu_m, num_cpu_n;
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| 
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|   BLASLONG width, i, j;
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|   BLASLONG divM, divN;
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| 
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|   divM = divide_rule[nthreads][0];
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|   divN = divide_rule[nthreads][1];
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| 
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|   if (!range_m) {
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|     range_M[0] = 0;
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|     i          = arg -> m;
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|   } else {
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|     range_M[0] = range_m[0];
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|     i          = range_m[1] - range_m[0];
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|   }
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| 
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|   num_cpu_m  = 0;
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| 
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|   while (i > 0){
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| 
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|     width  = blas_quickdivide(i + divM - num_cpu_m - 1, divM - num_cpu_m);
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| 
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|     i -= width;
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|     if (i < 0) width = width + i;
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| 
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|     range_M[num_cpu_m + 1] = range_M[num_cpu_m] + width;
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| 
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|     num_cpu_m ++;
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|   }
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| 
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|   if (!range_n) {
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|     range_N[0] = 0;
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|     i          = arg -> n;
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|   } else {
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|     range_N[0] = range_n[0];
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|     i          = range_n[1] - range_n[0];
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|   }
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| 
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|   num_cpu_n  = 0;
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| 
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|   while (i > 0){
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| 
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|     width  = blas_quickdivide(i + divN - num_cpu_n - 1, divN - num_cpu_n);
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| 
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|     i -= width;
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|     if (i < 0) width = width + i;
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| 
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|     range_N[num_cpu_n + 1] = range_N[num_cpu_n] + width;
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| 
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|     num_cpu_n ++;
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|   }
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| 
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|   procs = 0;
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| 
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|   for (j = 0; j < num_cpu_n; j++) {
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|     for (i = 0; i < num_cpu_m; i++) {
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| 
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|     queue[procs].mode    = mode;
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|     queue[procs].routine = function;
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|     queue[procs].args    = arg;
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|     queue[procs].range_m = &range_M[i];
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|     queue[procs].range_n = &range_N[j];
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|     queue[procs].sa      = NULL;
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|     queue[procs].sb      = NULL;
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|     queue[procs].next    = &queue[procs + 1];
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| 
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|     procs ++;
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|     }
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|   }
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| 
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|   if (procs) {
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|     queue[0].sa = sa;
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|     queue[0].sb = sb;
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| 
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|     queue[procs - 1].next = NULL;
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| 
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|     exec_blas(procs, queue);
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|   }
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| 
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|   return 0;
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| }
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