Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/benchtests/bench-strcoll.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
275 lines (234 sloc)
6.17 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Measure strcoll execution time in different locales. | |
Copyright (C) 2015-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
The GNU C 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 2.1 of the License, or (at your option) any later version. | |
The GNU C 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 the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <stdio.h> | |
#include <fcntl.h> | |
#include <assert.h> | |
#include <stdlib.h> | |
#include <locale.h> | |
#include <unistd.h> | |
#include "json-lib.h" | |
#include "bench-timing.h" | |
#include <string.h> | |
/* Many thanks to http://generator.lorem-ipsum.info/ */ | |
#define INPUT_PREFIX "strcoll-inputs/" | |
static const char *const input_files[] = { | |
"filelist#C", | |
"filelist#en_US.UTF-8", | |
"lorem_ipsum#vi_VN.UTF-8", | |
"lorem_ipsum#ar_SA.UTF-8", | |
"lorem_ipsum#en_US.UTF-8", | |
"lorem_ipsum#zh_CN.UTF-8", | |
"lorem_ipsum#cs_CZ.UTF-8", | |
"lorem_ipsum#en_GB.UTF-8", | |
"lorem_ipsum#da_DK.UTF-8", | |
"lorem_ipsum#pl_PL.UTF-8", | |
"lorem_ipsum#fr_FR.UTF-8", | |
"lorem_ipsum#pt_PT.UTF-8", | |
"lorem_ipsum#el_GR.UTF-8", | |
"lorem_ipsum#ru_RU.UTF-8", | |
"lorem_ipsum#iw_IL.UTF-8", | |
"lorem_ipsum#es_ES.UTF-8", | |
"lorem_ipsum#hi_IN.UTF-8", | |
"lorem_ipsum#sv_SE.UTF-8", | |
"lorem_ipsum#hu_HU.UTF-8", | |
"lorem_ipsum#tr_TR.UTF-8", | |
"lorem_ipsum#is_IS.UTF-8", | |
"lorem_ipsum#it_IT.UTF-8", | |
"lorem_ipsum#sr_RS.UTF-8", | |
"lorem_ipsum#ja_JP.UTF-8" | |
}; | |
#define TEXTFILE_DELIMITER " \n\r\t.,?!" | |
static char * | |
read_file (const char *filename) | |
{ | |
struct stat stats; | |
char *buffer = NULL; | |
int fd = open (filename, O_CLOEXEC); | |
if (fd >= 0) | |
{ | |
if (fstat (fd, &stats) == 0) | |
{ | |
buffer = malloc (stats.st_size + 1); | |
if (buffer) | |
{ | |
if (read (fd, buffer, stats.st_size) == stats.st_size) | |
buffer[stats.st_size] = '\0'; | |
else | |
{ | |
free (buffer); | |
buffer = NULL; | |
} | |
} | |
} | |
close (fd); | |
} | |
return buffer; | |
} | |
static size_t | |
count_words (const char *text, const char *delim) | |
{ | |
size_t wordcount = 0; | |
char *tmp = strdup (text); | |
char *token = strtok (tmp, delim); | |
while (token != NULL) | |
{ | |
if (*token != '\0') | |
wordcount++; | |
token = strtok (NULL, delim); | |
} | |
free (tmp); | |
return wordcount; | |
} | |
typedef struct | |
{ | |
size_t size; | |
char **words; | |
} word_list; | |
static word_list * | |
new_word_list (size_t size) | |
{ | |
word_list *list = malloc (sizeof (word_list)); | |
assert (list != NULL); | |
list->size = size; | |
list->words = malloc (size * sizeof (char *)); | |
assert (list->words != NULL); | |
return list; | |
} | |
static word_list * | |
str_word_list (const char *str, const char *delim) | |
{ | |
size_t n = 0; | |
word_list *list = new_word_list (count_words (str, delim)); | |
char *toks = strdup (str); | |
char *word = strtok (toks, delim); | |
while (word != NULL && n < list->size) | |
{ | |
if (*word != '\0') | |
list->words[n++] = strdup (word); | |
word = strtok (NULL, delim); | |
} | |
free (toks); | |
return list; | |
} | |
static word_list * | |
copy_word_list (const word_list *list) | |
{ | |
size_t i; | |
word_list *copy = new_word_list (list->size); | |
for (i = 0; i < list->size; i++) | |
copy->words[i] = strdup (list->words[i]); | |
return copy; | |
} | |
static void | |
free_word_list (word_list *list) | |
{ | |
size_t i; | |
for (i = 0; i < list->size; i++) | |
free (list->words[i]); | |
free (list->words); | |
free (list); | |
} | |
static int | |
compare_words (const void *a, const void *b) | |
{ | |
const char *s1 = *(char **) a; | |
const char *s2 = *(char **) b; | |
return strcoll (s1, s2); | |
} | |
#undef INNER_LOOP_ITERS | |
#define INNER_LOOP_ITERS 16 | |
static void | |
bench_list (json_ctx_t *json_ctx, word_list *list) | |
{ | |
size_t i; | |
timing_t start, stop, cur; | |
word_list **tests = malloc (INNER_LOOP_ITERS * sizeof (word_list *)); | |
assert (tests != NULL); | |
for (i = 0; i < INNER_LOOP_ITERS; i++) | |
tests[i] = copy_word_list (list); | |
TIMING_NOW (start); | |
for (i = 0; i < INNER_LOOP_ITERS; i++) | |
qsort (tests[i]->words, tests[i]->size, sizeof (char *), compare_words); | |
TIMING_NOW (stop); | |
TIMING_DIFF (cur, start, stop); | |
setlocale (LC_ALL, "en_US.UTF-8"); | |
json_attr_double (json_ctx, "duration", cur); | |
json_attr_double (json_ctx, "iterations", i); | |
json_attr_double (json_ctx, "mean", (double) cur / i); | |
for (i = 0; i < INNER_LOOP_ITERS; i++) | |
free_word_list (tests[i]); | |
free (tests); | |
} | |
typedef enum | |
{ | |
OK, | |
ERROR_FILENAME, | |
ERROR_LOCALE, | |
ERROR_IO | |
} result_t; | |
static result_t | |
bench_file (json_ctx_t *json_ctx, const char *testname, const char *filename, | |
const char *locale) | |
{ | |
if (setlocale (LC_ALL, locale) == NULL) | |
return ERROR_LOCALE; | |
char *text = read_file (filename); | |
if (text == NULL) | |
return ERROR_IO; | |
word_list *list = str_word_list (text, TEXTFILE_DELIMITER); | |
json_attr_object_begin (json_ctx, testname); | |
bench_list (json_ctx, list); | |
json_attr_object_end (json_ctx); | |
free_word_list (list); | |
free (text); | |
return OK; | |
} | |
int | |
main (void) | |
{ | |
json_ctx_t *json_ctx = malloc (sizeof (json_ctx_t)); | |
assert (json_ctx != NULL); | |
json_init (json_ctx, 2, stdout); | |
json_attr_object_begin (json_ctx, "strcoll"); | |
size_t i; | |
result_t result = OK; | |
for (i = 0; i < (sizeof (input_files) / sizeof (input_files[0])); i++) | |
{ | |
char *locale = strchr (input_files[i], '#'); | |
if (locale == NULL) | |
{ | |
printf ("Failed to get locale from filename %s, aborting!\n", | |
input_files[i]); | |
return ERROR_FILENAME; | |
} | |
char *filename; | |
asprintf (&filename, INPUT_PREFIX "%s", input_files[i]); | |
result = bench_file (json_ctx, input_files[i], filename, locale + 1); | |
if (result != OK) | |
{ | |
if (result == ERROR_LOCALE) | |
printf ("Failed to set locale %s, aborting!\n", locale); | |
else if (result == ERROR_IO) | |
printf ("Failed to read file %s, aborting!\n", filename); | |
free (filename); | |
goto out; | |
} | |
free (filename); | |
} | |
out: | |
json_attr_object_end (json_ctx); | |
free (json_ctx); | |
return result; | |
} |