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/* -*- c-basic-offset: 2; coding: utf-8 -*- */
/*
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 version 2.1 as published by the Free Software Foundation.
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 02110-1335 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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