/* * Copyright (C) 1997 Robey Pointer * Copyright (C) 1999 - 2002 Eggheads Development Team * Copyright (C) 2002 - 2008 Bryan Drewery * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* profile.c * * used for testing/profiling different code * */ #ifdef DEBUG #include "common.h" #include "hash_table.h" double gettime(clock_t start) { clock_t end; double cpu_time_used; end = clock(); cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC; return cpu_time_used; } static int my_walk(const void *key, void *dataptr, void *param) { char *data = *(char **)dataptr; printf("key: %s data: %s\n", (char *) key, data); return 0; } #define display_results(_start, _name, _iterations) do { \ total = gettime(start); \ printf("%s: %d iterations; total: %.12fs; avg: %.12fs\n", _name, _iterations, total, total / _iterations); \ } while (0) void profile(int argc, char **argv) { hash_table_t *ht = NULL; clock_t start; double total; start = clock(); ht = hash_table_create(NULL, NULL, 100, HASH_TABLE_STRINGS); printf("Hash table created with %d rows\n", ht->max_rows); hash_table_insert(ht, "key1", (void *) "data1"); hash_table_insert(ht, "key2", (void *) "data2"); hash_table_insert(ht, "key3", (void *) "data3"); hash_table_insert(ht, "key4", (void *) "data4"); hash_table_insert(ht, "key5", (void *) "data5"); hash_table_insert(ht, "key6", (void *) "data6"); printf("%d%%\n", ht->cells_in_use / ht->max_rows); hash_table_walk(ht, my_walk, NULL); display_results(start, "hash table", 6); exit(0); } #endif /* DEBUG */