| /* GLIB - Library of useful routines for C programming |
| * |
| * Copyright (C) 2010 Mikhail Zabaluev <mikhail.zabaluev@gmail.com> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include <string.h> |
| |
| #include <glib.h> |
| |
| #define NUM_ITERATIONS 500000 |
| |
| static const char str_ascii[] = |
| "The quick brown fox jumps over the lazy dog"; |
| |
| static const gchar str_latin1[] = |
| "Zwölf Boxkämpfer jagen Viktor quer über den großen Sylter Deich"; |
| |
| /* Energizing GOELRO-talk in Russian, used by KDE */ |
| static const char str_cyrillic[] = |
| "Широкая электрификация южных губерний даст мощный толчок подъёму " |
| "сельского хозяйства."; |
| |
| /* First sentence from the Wikipedia article: |
| * http://zh.wikipedia.org/w/index.php?title=%E6%B1%89%E5%AD%97&oldid=13053137 */ |
| static const char str_chinese[] = |
| "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"; |
| |
| typedef int (* GrindFunc) (const char *, gsize); |
| |
| static int |
| grind_get_char (const char *str, gsize len) |
| { |
| gunichar acc = 0; |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| const char *p = str; |
| while (*p) { |
| acc += g_utf8_get_char (p); |
| p = g_utf8_next_char (p); |
| } |
| } |
| return acc; |
| } |
| |
| static int |
| grind_get_char_validated (const char *str, gsize len) |
| { |
| gunichar acc = 0; |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| const char *p = str; |
| while (*p) { |
| acc += g_utf8_get_char_validated (p, -1); |
| p = g_utf8_next_char (p); |
| } |
| } |
| return acc; |
| } |
| |
| static int |
| grind_utf8_to_ucs4 (const char *str, gsize len) |
| { |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| gunichar *ustr; |
| ustr = g_utf8_to_ucs4 (str, -1, NULL, NULL, NULL); |
| g_free (ustr); |
| } |
| return 0; |
| } |
| |
| static int |
| grind_get_char_backwards (const char *str, gsize len) |
| { |
| gunichar acc = 0; |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| const char *p = str + len; |
| do |
| { |
| p = g_utf8_prev_char (p); |
| acc += g_utf8_get_char (p); |
| } |
| while (p != str); |
| } |
| return acc; |
| } |
| |
| static int |
| grind_utf8_to_ucs4_sized (const char *str, gsize len) |
| { |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| gunichar *ustr; |
| ustr = g_utf8_to_ucs4 (str, len, NULL, NULL, NULL); |
| g_free (ustr); |
| } |
| return 0; |
| } |
| |
| static int |
| grind_utf8_to_ucs4_fast (const char *str, gsize len) |
| { |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| gunichar *ustr; |
| ustr = g_utf8_to_ucs4_fast (str, -1, NULL); |
| g_free (ustr); |
| } |
| return 0; |
| } |
| |
| static int |
| grind_utf8_to_ucs4_fast_sized (const char *str, gsize len) |
| { |
| int i; |
| for (i = 0; i < NUM_ITERATIONS; i++) |
| { |
| gunichar *ustr; |
| ustr = g_utf8_to_ucs4_fast (str, len, NULL); |
| g_free (ustr); |
| } |
| return 0; |
| } |
| |
| static void |
| perform_for (GrindFunc grind_func, const char *str, const char *label) |
| { |
| gsize len; |
| gulong bytes_ground; |
| gdouble time_elapsed; |
| gdouble result; |
| |
| len = strlen (str); |
| bytes_ground = (gulong) len * NUM_ITERATIONS; |
| |
| g_test_timer_start (); |
| |
| grind_func (str, len); |
| |
| time_elapsed = g_test_timer_elapsed (); |
| |
| result = ((gdouble) bytes_ground / time_elapsed) * 1.0e-6; |
| |
| g_test_maximized_result (result, "%-9s %6.1f MB/s", label, result); |
| } |
| |
| static void |
| perform (gconstpointer data) |
| { |
| GrindFunc grind_func = (GrindFunc) data; |
| |
| if (!g_test_perf ()) |
| return; |
| |
| perform_for (grind_func, str_ascii, "ASCII:"); |
| perform_for (grind_func, str_latin1, "Latin-1:"); |
| perform_for (grind_func, str_cyrillic, "Cyrillic:"); |
| perform_for (grind_func, str_chinese, "Chinese:"); |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| g_test_init (&argc, &argv, NULL); |
| |
| if (g_test_perf ()) |
| { |
| g_test_add_data_func ("/utf8/perf/get_char", grind_get_char, perform); |
| g_test_add_data_func ("/utf8/perf/get_char-backwards", grind_get_char_backwards, perform); |
| g_test_add_data_func ("/utf8/perf/get_char_validated", grind_get_char_validated, perform); |
| g_test_add_data_func ("/utf8/perf/utf8_to_ucs4", grind_utf8_to_ucs4, perform); |
| g_test_add_data_func ("/utf8/perf/utf8_to_ucs4-sized", grind_utf8_to_ucs4_sized, perform); |
| g_test_add_data_func ("/utf8/perf/utf8_to_ucs4_fast", grind_utf8_to_ucs4_fast, perform); |
| g_test_add_data_func ("/utf8/perf/utf8_to_ucs4_fast-sized", grind_utf8_to_ucs4_fast_sized, perform); |
| } |
| |
| return g_test_run (); |
| } |