libxkbcommon/bench/atom.c

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/*
* Copyright © 2021 Ran Benita <ran@unusedvar.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "atom.h"
#include "bench.h"
#include "darray.h"
#define BENCHMARK_ITERATIONS 100
int
main(void)
{
FILE *file;
char wordbuf[1024];
darray(char *) words;
char **worditer;
struct atom_table *table;
xkb_atom_t atom;
const char *text;
struct bench bench;
char *elapsed;
darray_init(words);
file = fopen("/usr/share/dict/words", "rb");
if (file == NULL) {
perror("/usr/share/dict/words");
return -1;
}
while (fgets(wordbuf, sizeof(wordbuf), file)) {
size_t len = strlen(wordbuf);
if (len > 0 && wordbuf[len - 1] == '\n')
wordbuf[len - 1] = '\0';
darray_append(words, strdup(wordbuf));
}
fclose(file);
bench_start(&bench);
for (int i = 0; i < BENCHMARK_ITERATIONS; i++) {
table = atom_table_new();
assert(table);
darray_foreach(worditer, words) {
atom = atom_intern(table, *worditer, strlen(*worditer) - 1, true);
assert(atom != XKB_ATOM_NONE);
text = atom_text(table, atom);
assert(text != NULL);
}
atom_table_free(table);
}
bench_stop(&bench);
elapsed = bench_elapsed_str(&bench);
fprintf(stderr, "%d iterations in %ss\n",
BENCHMARK_ITERATIONS, elapsed);
free(elapsed);
darray_foreach(worditer, words) {
free(*worditer);
}
darray_free(words);
return 0;
}