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