1 /* GLIB - Library of useful routines for C programming
3 * Copyright (C) 2010 Mikhail Zabaluev <mikhail.zabaluev@gmail.com>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
23 #define NUM_ITERATIONS 500000
25 static const char str_ascii[] =
26 "The quick brown fox jumps over the lazy dog";
28 static const gchar str_latin1[] =
29 "Zwölf Boxkämpfer jagen Viktor quer über den großen Sylter Deich";
31 /* Energizing GOELRO-talk in Russian, used by KDE */
32 static const char str_cyrillic[] =
33 "Широкая электрификация южных губерний даст мощный толчок подъёму "
34 "сельского хозяйства.";
36 /* First sentence from the Wikipedia article:
37 * http://zh.wikipedia.org/w/index.php?title=%E6%B1%89%E5%AD%97&oldid=13053137 */
38 static const char str_han[] =
39 "漢字,亦稱中文字、中国字,在台灣又被稱為國字,是漢字文化圈廣泛使用的一種文字,屬於表意文字的詞素音節文字";
41 typedef int (* GrindFunc) (const char *, gsize);
43 #define GRIND_LOOP_BEGIN \
46 for (i = 0; i < NUM_ITERATIONS; i++)
48 #define GRIND_LOOP_END \
52 grind_get_char (const char *str, gsize len)
60 acc += g_utf8_get_char (p);
61 p = g_utf8_next_char (p);
69 grind_get_char_validated (const char *str, gsize len)
77 acc += g_utf8_get_char_validated (p, -1);
78 p = g_utf8_next_char (p);
86 grind_utf8_to_ucs4 (const char *str, gsize len)
91 ustr = g_utf8_to_ucs4 (str, -1, NULL, NULL, NULL);
99 grind_get_char_backwards (const char *str, gsize len)
104 const char *p = str + len;
107 p = g_utf8_prev_char (p);
108 acc += g_utf8_get_char (p);
117 grind_utf8_to_ucs4_sized (const char *str, gsize len)
122 ustr = g_utf8_to_ucs4 (str, len, NULL, NULL, NULL);
130 grind_utf8_to_ucs4_fast (const char *str, gsize len)
135 ustr = g_utf8_to_ucs4_fast (str, -1, NULL);
143 grind_utf8_to_ucs4_fast_sized (const char *str, gsize len)
148 ustr = g_utf8_to_ucs4_fast (str, len, NULL);
156 grind_utf8_validate (const char *str, gsize len)
159 g_utf8_validate (str, -1, NULL);
165 grind_utf8_validate_sized (const char *str, gsize len)
168 g_utf8_validate (str, len, NULL);
173 typedef struct _GrindData {
179 perform (gconstpointer data)
181 GrindData *gd = (GrindData *) data;
182 GrindFunc grind_func = gd->func;
183 const char *str = gd->str;
186 gdouble time_elapsed;
190 bytes_ground = (gulong) len * NUM_ITERATIONS;
192 g_test_timer_start ();
194 grind_func (str, len);
196 time_elapsed = g_test_timer_elapsed ();
198 result = ((gdouble) bytes_ground / time_elapsed) * 1.0e-6;
200 g_test_maximized_result (result, "%7.1f MB/s", result);
202 g_slice_free (GrindData, gd);
206 add_cases(const char *path, GrindFunc func)
208 #define ADD_CASE(script) \
212 gd = g_slice_new0(GrindData); \
214 gd->str = str_##script; \
215 full_path = g_strdup_printf("%s/" #script, path); \
216 g_test_add_data_func (full_path, gd, perform); \
217 g_free (full_path); \
229 main (int argc, char **argv)
231 g_test_init (&argc, &argv, NULL);
235 add_cases ("/utf8/perf/get_char", grind_get_char);
236 add_cases ("/utf8/perf/get_char-backwards", grind_get_char_backwards);
237 add_cases ("/utf8/perf/get_char_validated", grind_get_char_validated);
238 add_cases ("/utf8/perf/utf8_to_ucs4", grind_utf8_to_ucs4);
239 add_cases ("/utf8/perf/utf8_to_ucs4-sized", grind_utf8_to_ucs4_sized);
240 add_cases ("/utf8/perf/utf8_to_ucs4_fast", grind_utf8_to_ucs4_fast);
241 add_cases ("/utf8/perf/utf8_to_ucs4_fast-sized", grind_utf8_to_ucs4_fast_sized);
242 add_cases ("/utf8/perf/utf8_validate", grind_utf8_validate);
243 add_cases ("/utf8/perf/utf8_validate-sized", grind_utf8_validate_sized);
246 return g_test_run ();