Commit baf5522649954d54ebb0227d42ceb71c7c6ea32c
2021-04-08T10:51:07
bench: add atom benchmark Signed-off-by: Ran Benita <ran@unusedvar.com>
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diff --git a/bench/atom.c b/bench/atom.c
new file mode 100644
index 0000000..7d78f64
--- /dev/null
+++ b/bench/atom.c
@@ -0,0 +1,93 @@
+/*
+ * 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;
+}
diff --git a/meson.build b/meson.build
index 9c238be..f178ead 100644
--- a/meson.build
+++ b/meson.build
@@ -751,6 +751,11 @@ benchmark(
executable('bench-compose', 'bench/compose.c', dependencies: test_dep),
env: bench_env,
)
+benchmark(
+ 'atom',
+ executable('bench-atom', 'bench/atom.c', dependencies: test_dep),
+ env: bench_env,
+)
if get_option('enable-x11')
benchmark(
'x11',