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, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
25 #define NUM_ITERATIONS 500000
27 static const char str_ascii[] =
28 "The quick brown fox jumps over the lazy dog";
30 static const gchar str_latin1[] =
31 "Zwölf Boxkämpfer jagen Viktor quer über den großen Sylter Deich";
33 /* Energizing GOELRO-talk in Russian, used by KDE */
34 static const char str_cyrillic[] =
35 "Широкая электрификация южных губерний даст мощный толчок подъёму "
36 "сельского хозяйства.";
38 /* First sentence from the Wikipedia article:
39 * http://zh.wikipedia.org/w/index.php?title=%E6%B1%89%E5%AD%97&oldid=13053137 */
40 static const char str_chinese[] =
41 "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";
43 typedef int (* GrindFunc) (const char *, gsize);
46 grind_get_char (const char *str, gsize len)
50 for (i = 0; i < NUM_ITERATIONS; i++)
54 acc += g_utf8_get_char (p);
55 p = g_utf8_next_char (p);
62 grind_get_char_validated (const char *str, gsize len)
66 for (i = 0; i < NUM_ITERATIONS; i++)
70 acc += g_utf8_get_char_validated (p, -1);
71 p = g_utf8_next_char (p);
78 grind_utf8_to_ucs4 (const char *str, gsize len)
81 for (i = 0; i < NUM_ITERATIONS; i++)
84 ustr = g_utf8_to_ucs4 (str, -1, NULL, NULL, NULL);
91 grind_get_char_backwards (const char *str, gsize len)
95 for (i = 0; i < NUM_ITERATIONS; i++)
97 const char *p = str + len;
100 p = g_utf8_prev_char (p);
101 acc += g_utf8_get_char (p);
109 grind_utf8_to_ucs4_sized (const char *str, gsize len)
112 for (i = 0; i < NUM_ITERATIONS; i++)
115 ustr = g_utf8_to_ucs4 (str, len, NULL, NULL, NULL);
122 grind_utf8_to_ucs4_fast (const char *str, gsize len)
125 for (i = 0; i < NUM_ITERATIONS; i++)
128 ustr = g_utf8_to_ucs4_fast (str, -1, NULL);
135 grind_utf8_to_ucs4_fast_sized (const char *str, gsize len)
138 for (i = 0; i < NUM_ITERATIONS; i++)
141 ustr = g_utf8_to_ucs4_fast (str, len, NULL);
148 perform_for (GrindFunc grind_func, const char *str, const char *label)
152 gdouble time_elapsed;
156 bytes_ground = (gulong) len * NUM_ITERATIONS;
158 g_test_timer_start ();
160 grind_func (str, len);
162 time_elapsed = g_test_timer_elapsed ();
164 result = ((gdouble) bytes_ground / time_elapsed) * 1.0e-6;
166 g_test_maximized_result (result, "%-9s %6.1f MB/s", label, result);
170 perform (gconstpointer data)
172 GrindFunc grind_func = (GrindFunc) data;
177 perform_for (grind_func, str_ascii, "ASCII:");
178 perform_for (grind_func, str_latin1, "Latin-1:");
179 perform_for (grind_func, str_cyrillic, "Cyrillic:");
180 perform_for (grind_func, str_chinese, "Chinese:");
184 main (int argc, char **argv)
186 g_test_init (&argc, &argv, NULL);
190 g_test_add_data_func ("/utf8/perf/get_char", grind_get_char, perform);
191 g_test_add_data_func ("/utf8/perf/get_char-backwards", grind_get_char_backwards, perform);
192 g_test_add_data_func ("/utf8/perf/get_char_validated", grind_get_char_validated, perform);
193 g_test_add_data_func ("/utf8/perf/utf8_to_ucs4", grind_utf8_to_ucs4, perform);
194 g_test_add_data_func ("/utf8/perf/utf8_to_ucs4-sized", grind_utf8_to_ucs4_sized, perform);
195 g_test_add_data_func ("/utf8/perf/utf8_to_ucs4_fast", grind_utf8_to_ucs4_fast, perform);
196 g_test_add_data_func ("/utf8/perf/utf8_to_ucs4_fast-sized", grind_utf8_to_ucs4_fast_sized, perform);
199 return g_test_run ();