1 /* Copyright (C) 2021-2023 Free Software Foundation, Inc. 2 Contributed by Oracle. 3 4 This file is part of GNU Binutils. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 #include "mydefs.h" 22 23 bool verbose; 24 25 /* 26 * ----------------------------------------------------------------------------- 27 * This function allocates the data and sets up the data structures to be used 28 * in the remainder. 29 * ----------------------------------------------------------------------------- 30 */ 31 void allocate_data (int active_threads, 32 int64_t number_of_rows, 33 int64_t number_of_columns, 34 double ***A, 35 double **b, 36 double **c, 37 double **ref, 38 thread_data **thread_data_arguments, 39 pthread_t **pthread_ids) 40 { 41 if ((*b = (double *) malloc (number_of_columns * sizeof (double))) == NULL) 42 { 43 printf ("Error: allocation of vector b failed\n"); 44 perror ("vector b"); 45 exit (-1); 46 } 47 else 48 { 49 if (verbose) printf ("Vector b allocated\n"); 50 } 51 52 if ((*c = (double *) malloc (number_of_rows * sizeof (double))) == NULL) 53 { 54 printf ("Error: allocation of vector c failed\n"); 55 perror ("vector c"); 56 exit (-1); 57 } 58 else 59 { 60 if (verbose) printf ("Vector c allocated\n"); 61 } 62 63 if ((*ref = (double *) malloc (number_of_rows * sizeof (double))) == NULL) 64 { 65 printf ("Error: allocation of vector ref failed\n"); 66 perror ("vector ref"); 67 exit (-1); 68 } 69 70 if ((*A = (double **) malloc (number_of_rows * sizeof (double))) == NULL) 71 { 72 printf ("Error: allocation of matrix A failed\n"); 73 perror ("matrix A"); 74 exit (-1); 75 } 76 else 77 { 78 for (int64_t i=0; i<number_of_rows; i++) 79 { 80 if (((*A)[i] = (double *) malloc (number_of_columns 81 * sizeof (double))) == NULL) 82 { 83 printf ("Error: allocation of matrix A columns failed\n"); 84 perror ("matrix A[i]"); 85 exit (-1); 86 } 87 } 88 if (verbose) printf ("Matrix A allocated\n"); 89 } 90 91 92 if ((*thread_data_arguments = (thread_data *) malloc ((active_threads) 93 * sizeof (thread_data))) == NULL) 94 { 95 perror ("malloc thread_data_arguments"); 96 exit (-1); 97 } 98 else 99 { 100 if (verbose) printf ("Structure thread_data_arguments allocated\n"); 101 } 102 103 if ((*pthread_ids = (pthread_t *) malloc ((active_threads) 104 * sizeof (pthread_t))) == NULL) 105 { 106 perror ("malloc pthread_ids"); 107 exit (-1); 108 } 109 else 110 { 111 if (verbose) printf ("Structure pthread_ids allocated\n"); 112 } 113 } 114 115 /* 116 * ----------------------------------------------------------------------------- 117 * This function initializes the data. 118 * ----------------------------------------------------------------------------- 119 */ 120 void init_data (int64_t m, 121 int64_t n, 122 double **restrict A, 123 double *restrict b, 124 double *restrict c, 125 double *restrict ref) 126 { 127 128 (void) srand48 (2020L); 129 130 for (int64_t j=0; j<n; j++) 131 b[j] = 1.0; 132 133 for (int64_t i=0; i<m; i++) 134 { 135 ref[i] = n*i; 136 c[i] = -2022; 137 for (int64_t j=0; j<n; j++) 138 A[i][j] = drand48 (); 139 } 140 141 for (int64_t i=0; i<m; i++) 142 { 143 double row_sum = 0.0; 144 for (int64_t j=0; j<n; j++) 145 row_sum += A[i][j]; 146 ref[i] = row_sum; 147 } 148 } 149