From 43b4207d784f7f3d0dfb8a2651fa4410eb08b8c6 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Tue, 18 Jul 2023 12:15:59 +0200 Subject: [PATCH] mbiterf: Add a benchmark. * tests/bench-mbiterf.c: New file, based on tests/bench-mbiter.c. * modules/mbiterf-bench-tests: New file, based on modules/mbiter-bench-tests. --- ChangeLog | 5 ++ modules/mbiterf-bench-tests | 18 +++++ tests/bench-mbiterf.c | 138 ++++++++++++++++++++++++++++++++++++ 3 files changed, 161 insertions(+) create mode 100644 modules/mbiterf-bench-tests create mode 100644 tests/bench-mbiterf.c diff --git a/ChangeLog b/ChangeLog index 108f1281c8..8581c23a95 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2023-07-18 Bruno Haible + mbiterf: Add a benchmark. + * tests/bench-mbiterf.c: New file, based on tests/bench-mbiter.c. + * modules/mbiterf-bench-tests: New file, based on + modules/mbiter-bench-tests. + mbiterf: New module. * lib/mbiterf.h: New file, based on lib/mbiter.h. * lib/mbiterf.c: New file, based on lib/mbiter.c. diff --git a/modules/mbiterf-bench-tests b/modules/mbiterf-bench-tests new file mode 100644 index 0000000000..dfd39d2006 --- /dev/null +++ b/modules/mbiterf-bench-tests @@ -0,0 +1,18 @@ +Files: +tests/bench-mbiterf.c +tests/bench-multibyte.h +tests/bench.h + +Depends-on: +mbrtoc32-regular +mbiterf +setlocale +striconv +getrusage +gettimeofday + +configure.ac: + +Makefile.am: +noinst_PROGRAMS += bench-mbiterf +bench_mbiterf_LDADD = $(LDADD) $(LIBUNISTRING) $(SETLOCALE_LIB) $(MBRTOWC_LIB) $(LIBC32CONV) diff --git a/tests/bench-mbiterf.c b/tests/bench-mbiterf.c new file mode 100644 index 0000000000..0949fb6752 --- /dev/null +++ b/tests/bench-mbiterf.c @@ -0,0 +1,138 @@ +/* Benchmarks for the mbiterf module. + Copyright (C) 2023 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include + +#include +#include +#include +#include + +#include "bench.h" +#include "bench-multibyte.h" +#include "mbiterf.h" + +unsigned long long volatile result; + +static void +do_test (char test, int repeat, const char *locale_name, const char *text) +{ + printf ("Test %c\n", test); + if (setlocale (LC_ALL, locale_name) != NULL) + { + struct timings_state ts; + timing_start (&ts); + + size_t text_len = strlen (text); + int count; + for (count = 0; count < repeat; count++) + { + unsigned long long sum = 0; + const char *text_end = text + text_len; + mbif_state_t state; + char *iter; + for (mbif_init (state), iter = text; mbif_avail (state, iter, text_end); ) + { + mbchar_t cur = mbif_next (state, iter, text_end); + sum += cur.wc; + iter += mb_len (cur); + } + result = sum; + } + + timing_end (&ts); + timing_output (&ts); + } + else + { + printf ("Skipping test: locale %s not installed.\n", locale_name); + } + printf ("\n"); +} + +/* Performs some or all of the following tests: + a - ASCII text, C locale + b - ASCII text, UTF-8 locale + c - French text, C locale + d - French text, ISO-8859-1 locale + e - French text, UTF-8 locale + f - Greek text, C locale + g - Greek text, ISO-8859-7 locale + h - Greek text, UTF-8 locale + i - Chinese text, UTF-8 locale + j - Chinese text, GB18030 locale + Pass the tests to be performed as first argument. */ +int +main (int argc, char *argv[]) +{ + if (argc != 3) + { + fprintf (stderr, "Usage: %s TESTS REPETITIONS\n", argv[0]); + fprintf (stderr, "Example: %s abcdefghij 100000\n", argv[0]); + exit (1); + } + + const char *tests = argv[1]; + int repeat = atoi (argv[2]); + + text_init (); + + /* Execute each test. */ + size_t i; + for (i = 0; i < strlen (tests); i++) + { + char test = tests[i]; + + switch (test) + { + case 'a': + do_test (test, repeat, "C", text_latin_ascii); + break; + case 'b': + do_test (test, repeat, "en_US.UTF-8", text_latin_ascii); + break; + case 'c': + do_test (test, repeat, "C", text_french_iso8859); + break; + case 'd': + do_test (test, repeat, "fr_FR.ISO-8859-1", text_french_iso8859); + break; + case 'e': + do_test (test, repeat, "en_US.UTF-8", text_french_utf8); + break; + case 'f': + do_test (test, repeat, "C", text_greek_iso8859); + break; + case 'g': + do_test (test, repeat, "el_GR.ISO-8859-7", text_greek_iso8859); + break; + case 'h': + do_test (test, repeat, "en_US.UTF-8", text_greek_utf8); + break; + case 'i': + do_test (test, repeat, "en_US.UTF-8", text_chinese_utf8); + break; + case 'j': + do_test (test, repeat, "zh_CN.GB18030", text_chinese_gb18030); + break; + default: + /* Ignore. */ + ; + } + } + + return 0; +} -- 2.39.5