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/*
Copyright (C) 2013-2016 Kouhei Sutou <kou@clear-code.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 2.1 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
Groonga: 6b128f318d682e50648f3b82c5f7956f3bcb3fe8
CFLAGS: -O0 -g3
% (cd benchmark/ && make --quiet run-bench-ctx-create)
run-bench-ctx-create:
(time)
with mruby1: 288KB (0.0091s)
without mruby1: 28KB (0.0240ms)
with mruby2: 0KB (0.0097s)
without mruby2: 0KB (0.0220ms)
Groonga: c4379140c02699e3c74b94cd9e7b88d372202aa5
CFLAGS: -O2 -g
% make --quiet -C benchmark run-bench-ctx-create
run-bench-ctx-create:
(time)
with mruby1: 524KB (0.0041s)
without mruby1: 32KB (0.0220ms)
with mruby2: 0KB (0.0040s)
without mruby2: 0KB (0.0200ms)
*/
#include <stdlib.h>
#include <glib.h>
#include <groonga.h>
#include "lib/benchmark.h"
typedef struct _BenchmarkData {
grn_ctx context;
grn_obj *database;
guint memory_usage_before;
} BenchmarkData;
static guint
get_memory_usage(void)
{
GRegex *vm_rss_pattern;
gchar *status;
GMatchInfo *match_info;
gchar *vm_rss_string;
guint vm_rss;
g_file_get_contents("/proc/self/status", &status, NULL, NULL);
vm_rss_pattern = g_regex_new("VmRSS:\\s*(\\d*)\\s+kB", 0, 0, NULL);
if (!g_regex_match(vm_rss_pattern, status, 0, &match_info)) {
g_print("not match...: %s\n", status);
return 0;
}
vm_rss_string = g_match_info_fetch(match_info, 1);
vm_rss = atoi(vm_rss_string);
g_free(vm_rss_string);
g_match_info_free(match_info);
g_regex_unref(vm_rss_pattern);
g_free(status);
return vm_rss;
}
static void
bench_with_mruby(gpointer user_data)
{
BenchmarkData *data = user_data;
g_setenv("GRN_MRUBY_ENABLED", "yes", TRUE);
grn_ctx_init(&(data->context), 0);
grn_ctx_use(&(data->context), data->database);
}
static void
bench_without_mruby(gpointer user_data)
{
BenchmarkData *data = user_data;
g_setenv("GRN_MRUBY_ENABLED", "no", TRUE);
grn_ctx_init(&(data->context), 0);
grn_ctx_use(&(data->context), data->database);
}
static void
bench_setup(gpointer user_data)
{
BenchmarkData *data = user_data;
data->memory_usage_before = get_memory_usage();
}
static void
bench_teardown(gpointer user_data)
{
BenchmarkData *data = user_data;
grn_ctx_fin(&(data->context));
g_print("%3dKB ", get_memory_usage() - data->memory_usage_before);
}
static gchar *
get_tmp_dir(void)
{
gchar *current_dir;
gchar *tmp_dir;
current_dir = g_get_current_dir();
tmp_dir = g_build_filename(current_dir, "tmp", NULL);
g_free(current_dir);
return tmp_dir;
}
static grn_obj *
setup_database(grn_ctx *context)
{
gchar *tmp_dir;
gchar *database_path;
grn_obj *database;
tmp_dir = get_tmp_dir();
database_path = g_build_filename(tmp_dir, "ctx-create", "db", NULL);
database = grn_db_open(context, database_path);
g_free(database_path);
return database;
}
static void
teardown_database(grn_ctx *context, grn_obj *database)
{
grn_obj_close(context, database);
}
int
main(int argc, gchar **argv)
{
grn_rc rc;
grn_ctx context;
BenchmarkData data;
BenchReporter *reporter;
gint n = 1;
rc = grn_init();
if (rc != GRN_SUCCESS) {
g_print("failed to initialize Groonga: <%d>: %s\n",
rc, grn_get_global_error_message());
return EXIT_FAILURE;
}
bench_init(&argc, &argv);
grn_ctx_init(&context, 0);
data.database = setup_database(&context);
reporter = bench_reporter_new();
#define REGISTER(label, bench_function) \
bench_reporter_register(reporter, label, n, \
bench_setup, \
bench_function, \
bench_teardown, \
&data)
REGISTER("with mruby1", bench_with_mruby);
REGISTER("without mruby1", bench_without_mruby);
REGISTER("with mruby2", bench_with_mruby);
REGISTER("without mruby2", bench_without_mruby);
#undef REGISTER
bench_reporter_run(reporter);
g_object_unref(reporter);
teardown_database(&context, data.database);
grn_ctx_fin(&context);
grn_fin();
return EXIT_SUCCESS;
}
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