blob: 0daa45ccbeeec60de7158ad97004c237f5097c8e [file] [log] [blame]
/*
* Copyright 2012-2015 Samy Al Bahra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <ck_ht.h>
#include <assert.h>
#include <ck_malloc.h>
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "../../common.h"
static ck_ht_t ht;
static char **keys;
static size_t keys_length = 0;
static size_t keys_capacity = 128;
static void *
ht_malloc(size_t r)
{
return malloc(r);
}
static void
ht_free(void *p, size_t b, bool r)
{
(void)b;
(void)r;
free(p);
return;
}
static struct ck_malloc my_allocator = {
.malloc = ht_malloc,
.free = ht_free
};
static void
table_init(void)
{
unsigned int mode = CK_HT_MODE_BYTESTRING;
#ifdef HT_DELETE
mode |= CK_HT_WORKLOAD_DELETE;
#endif
common_srand48((long int)time(NULL));
if (ck_ht_init(&ht, mode, NULL, &my_allocator, 8, common_lrand48()) == false) {
perror("ck_ht_init");
exit(EXIT_FAILURE);
}
return;
}
static bool
table_remove(const char *value)
{
ck_ht_entry_t entry;
ck_ht_hash_t h;
size_t l = strlen(value);
ck_ht_hash(&h, &ht, value, l);
ck_ht_entry_key_set(&entry, value, l);
return ck_ht_remove_spmc(&ht, h, &entry);
}
static bool
table_replace(const char *value)
{
ck_ht_entry_t entry;
ck_ht_hash_t h;
size_t l = strlen(value);
ck_ht_hash(&h, &ht, value, l);
ck_ht_entry_set(&entry, h, value, l, "REPLACED");
return ck_ht_set_spmc(&ht, h, &entry);
}
static void *
table_get(const char *value)
{
ck_ht_entry_t entry;
ck_ht_hash_t h;
size_t l = strlen(value);
void *v = NULL;
ck_ht_hash(&h, &ht, value, l);
ck_ht_entry_key_set(&entry, value, l);
if (ck_ht_get_spmc(&ht, h, &entry) == true) {
v = ck_ht_entry_value(&entry);
}
return v;
}
static bool
table_insert(const char *value)
{
ck_ht_entry_t entry;
ck_ht_hash_t h;
size_t l = strlen(value);
ck_ht_hash(&h, &ht, value, l);
ck_ht_entry_set(&entry, h, value, l, "VALUE");
return ck_ht_put_spmc(&ht, h, &entry);
}
static size_t
table_count(void)
{
return ck_ht_count(&ht);
}
static bool
table_gc(void)
{
return ck_ht_gc(&ht, 0, common_lrand48());
}
static bool
table_reset(void)
{
return ck_ht_reset_spmc(&ht);
}
static void
keys_shuffle(char **k)
{
size_t i, j;
char *t;
for (i = keys_length; i > 1; i--) {
j = rand() % (i - 1);
if (j != i - 1) {
t = k[i - 1];
k[i - 1] = k[j];
k[j] = t;
}
}
return;
}
int
main(int argc, char *argv[])
{
FILE *fp;
char buffer[512];
size_t i, j, r;
unsigned int d = 0;
uint64_t s, e, a, ri, si, ai, sr, rg, sg, ag, sd, ng, gg;
char **t;
struct ck_ht_stat st;
r = 20;
s = 8;
srand(time(NULL));
if (argc < 2) {
ck_error("Usage: ck_ht <dictionary> [<repetitions> <initial size>]\n");
}
if (argc >= 3)
r = atoi(argv[2]);
if (argc >= 4)
s = (uint64_t)atoi(argv[3]);
keys = malloc(sizeof(char *) * keys_capacity);
assert(keys != NULL);
fp = fopen(argv[1], "r");
assert(fp != NULL);
while (fgets(buffer, sizeof(buffer), fp) != NULL) {
buffer[strlen(buffer) - 1] = '\0';
keys[keys_length++] = strdup(buffer);
assert(keys[keys_length - 1] != NULL);
if (keys_length == keys_capacity) {
t = realloc(keys, sizeof(char *) * (keys_capacity *= 2));
assert(t != NULL);
keys = t;
}
}
t = realloc(keys, sizeof(char *) * keys_length);
assert(t != NULL);
keys = t;
table_init();
for (i = 0; i < keys_length; i++)
d += table_insert(keys[i]) == false;
ck_ht_stat(&ht, &st);
fprintf(stderr, "# %zu entries stored, %u duplicates, %" PRIu64 " probe.\n",
table_count(), d, st.probe_maximum);
fprintf(stderr, "# reverse_insertion serial_insertion random_insertion serial_replace reverse_get serial_get random_get serial_remove negative_get garbage_collect\n\n");
a = 0;
for (j = 0; j < r; j++) {
if (table_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = keys_length; i > 0; i--)
d += table_insert(keys[i - 1]) == false;
e = rdtsc();
a += e - s;
}
ri = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
if (table_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = 0; i < keys_length; i++)
d += table_insert(keys[i]) == false;
e = rdtsc();
a += e - s;
}
si = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
keys_shuffle(keys);
if (table_reset() == false) {
ck_error("ERROR: Failed to reset hash table.\n");
}
s = rdtsc();
for (i = 0; i < keys_length; i++)
d += table_insert(keys[i]) == false;
e = rdtsc();
a += e - s;
}
ai = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
table_replace(keys[i]);
e = rdtsc();
a += e - s;
}
sr = a / (r * keys_length);
table_reset();
for (i = 0; i < keys_length; i++)
table_insert(keys[i]);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = keys_length; i > 0; i--) {
if (table_get(keys[i - 1]) == NULL) {
ck_error("ERROR: Unexpected NULL value.\n");
}
}
e = rdtsc();
a += e - s;
}
rg = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++) {
if (table_get(keys[i]) == NULL) {
ck_error("ERROR: Unexpected NULL value.\n");
}
}
e = rdtsc();
a += e - s;
}
sg = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
keys_shuffle(keys);
s = rdtsc();
for (i = 0; i < keys_length; i++) {
if (table_get(keys[i]) == NULL) {
ck_error("ERROR: Unexpected NULL value.\n");
}
}
e = rdtsc();
a += e - s;
}
ag = a / (r * keys_length);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++)
table_remove(keys[i]);
e = rdtsc();
a += e - s;
for (i = 0; i < keys_length; i++)
table_insert(keys[i]);
}
sd = a / (r * keys_length);
for (i = 0; i < keys_length / 2; i++)
table_remove(keys[i]);
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
table_gc();
e = rdtsc();
a += e - s;
}
gg = a / r;
a = 0;
for (j = 0; j < r; j++) {
s = rdtsc();
for (i = 0; i < keys_length; i++) {
table_get("\x50\x03\x04\x05\x06\x10");
}
e = rdtsc();
a += e - s;
}
ng = a / (r * keys_length);
printf("%zu "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 " "
"%" PRIu64 "\n",
keys_length, ri, si, ai, sr, rg, sg, ag, sd, ng, gg);
return 0;
}