95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
#include <stdio.h>
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#include <assert.h>
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#include <time.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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typedef const char *str_t;
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#include "kbtree.h"
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KBTREE_INIT(int, uint32_t, kb_generic_cmp)
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KBTREE_INIT(str, str_t, kb_str_cmp)
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static int data_size = 5000000;
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static unsigned *int_data;
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static char **str_data;
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void ht_init_data()
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{
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int i;
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char buf[256];
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printf("--- generating data... ");
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srand48(11);
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int_data = (unsigned*)calloc(data_size, sizeof(unsigned));
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str_data = (char**)calloc(data_size, sizeof(char*));
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for (i = 0; i < data_size; ++i) {
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int_data[i] = (unsigned)(data_size * drand48() / 4) * 271828183u;
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sprintf(buf, "%x", int_data[i]);
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str_data[i] = strdup(buf);
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}
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printf("done!\n");
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}
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void ht_destroy_data()
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{
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int i;
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for (i = 0; i < data_size; ++i) free(str_data[i]);
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free(str_data); free(int_data);
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}
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void ht_khash_int()
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{
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int i;
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unsigned *data = int_data;
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uint32_t *l, *u;
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kbtree_t(int) *h;
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h = kb_init(int, KB_DEFAULT_SIZE);
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for (i = 0; i < data_size; ++i) {
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if (kb_get(int, h, data[i]) == 0) kb_put(int, h, data[i]);
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else kb_del(int, h, data[i]);
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}
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printf("[ht_khash_int] size: %d\n", kb_size(h));
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if (1) {
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int cnt = 0;
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uint32_t x, y;
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kb_interval(int, h, 2174625464u, &l, &u);
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printf("interval for 2174625464: (%u, %u)\n", l? *l : 0, u? *u : 0);
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#define traverse_f(p) { if (cnt == 0) y = *p; ++cnt; }
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__kb_traverse(uint32_t, h, traverse_f);
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__kb_get_first(uint32_t, h, x);
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printf("# of elements from traversal: %d\n", cnt);
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printf("first element: %d == %d\n", x, y);
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}
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__kb_destroy(h);
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}
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void ht_khash_str()
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{
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int i;
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char **data = str_data;
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kbtree_t(str) *h;
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h = kb_init(str, KB_DEFAULT_SIZE);
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for (i = 0; i < data_size; ++i) {
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if (kb_get(str, h, data[i]) == 0) kb_put(str, h, data[i]);
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else kb_del(str, h, data[i]);
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}
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printf("[ht_khash_int] size: %d\n", kb_size(h));
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__kb_destroy(h);
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}
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void ht_timing(void (*f)(void))
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{
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clock_t t = clock();
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(*f)();
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printf("[ht_timing] %.3lf sec\n", (double)(clock() - t) / CLOCKS_PER_SEC);
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}
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int main(int argc, char *argv[])
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{
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if (argc > 1) data_size = atoi(argv[1]);
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ht_init_data();
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ht_timing(ht_khash_int);
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ht_timing(ht_khash_str);
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ht_destroy_data();
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return 0;
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}
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