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/*
This file is part of TALER
Copyright (C) 2014-2023 Taler Systems SA
TALER 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, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file exchangedb/perf_reserves_in_insert.c
* @brief benchmark for 'reserves_in_insert'
* @author Joseph Xu
*/
#include "platform.h"
#include "taler_exchangedb_lib.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Global result from the testcase.
*/
static int result;
/**
* Report line of error if @a cond is true, and jump to label "drop".
*/
#define FAILIF(cond) \
do { \
if (! (cond)) {break;} \
GNUNET_break (0); \
goto drop; \
} while (0)
/**
* Initializes @a ptr with random data.
*/
#define RND_BLK(ptr) \
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, ptr, sizeof (* \
ptr))
/**
* Initializes @a ptr with zeros.
*/
#define ZR_BLK(ptr) \
memset (ptr, 0, sizeof (*ptr))
/**
* How many rounds do we average over?
*/
#define ROUNDS 5
/**
* Currency we use. Must match test-exchange-db-*.conf.
*/
#define CURRENCY "EUR"
/**
* Database plugin under test.
*/
static struct TALER_EXCHANGEDB_Plugin *plugin;
/**
* Main function that will be run by the scheduler.
*
* @param cls closure with config
*/
static void
run (void *cls)
{
struct GNUNET_CONFIGURATION_Handle *cfg = cls;
const uint32_t num_partitions = 10;
static unsigned int batches[] = {1, 1, 2, 3, 4, 16, 32, 64, 128, 256, 512,
1024, 1024, 512, 256, 128, 64, 32,
16, 4, 3, 2, 1 };
struct GNUNET_TIME_Relative times[sizeof (batches) / sizeof(*batches)];
unsigned long long sqrs[sizeof (batches) / sizeof(*batches)];
if (NULL ==
(plugin = TALER_EXCHANGEDB_plugin_load (cfg)))
{
GNUNET_break (0);
result = 77;
return;
}
(void) plugin->drop_tables (plugin->cls);
if (GNUNET_OK !=
plugin->create_tables (plugin->cls,
true,
num_partitions))
{
GNUNET_break (0);
result = 77;
goto cleanup;
}
memset (times, 0, sizeof (times));
memset (sqrs, 0, sizeof (sqrs));
for (unsigned int r = 0; r < ROUNDS; r++)
{
for (unsigned int i = 0;
i< sizeof(batches) / sizeof(*batches);
i++)
{
unsigned int lcm = batches[i];
struct TALER_Amount value;
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_Timestamp ts;
unsigned long long duration_sq;
struct GNUNET_TIME_Relative duration;
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":1.000010",
&value));
now = GNUNET_TIME_absolute_get ();
ts = GNUNET_TIME_timestamp_get ();
{
struct TALER_FullPayto sndr = {
.full_payto = (char *) "payto://x-taler-bank/localhost:8080/1"
};
struct TALER_ReservePublicKeyP reserve_pubs[lcm];
struct TALER_EXCHANGEDB_ReserveInInfo reserves[lcm];
enum GNUNET_DB_QueryStatus results[lcm];
for (unsigned int k = 0; k<lcm; k++)
{
RND_BLK (&reserve_pubs[k]);
reserves[k].reserve_pub = &reserve_pubs[k];
reserves[k].balance = &value;
reserves[k].execution_time = ts;
reserves[k].sender_account_details = sndr;
reserves[k].exchange_account_name = "name";
reserves[k].wire_reference = k;
}
FAILIF (lcm !=
plugin->reserves_in_insert (plugin->cls,
reserves,
lcm,
results));
}
duration = GNUNET_TIME_absolute_get_duration (now);
times[i] = GNUNET_TIME_relative_add (times[i],
duration);
duration_sq = duration.rel_value_us * duration.rel_value_us;
GNUNET_assert (duration_sq / duration.rel_value_us ==
duration.rel_value_us);
GNUNET_assert (sqrs[i] + duration_sq >= sqrs[i]);
sqrs[i] += duration_sq;
} /* for 'i' batch size */
} /* for 'r' ROUNDS */
for (unsigned int i = 0;
i< sizeof(batches) / sizeof(*batches);
i++)
{
unsigned int lcm = batches[i];
struct GNUNET_TIME_Relative avg;
double avg_dbl;
double variance;
avg = GNUNET_TIME_relative_divide (times[i],
ROUNDS);
avg_dbl = avg.rel_value_us;
variance = sqrs[i] - (avg_dbl * avg_dbl * ROUNDS);
fprintf (stdout,
"Batch[%4u]: %8llu us/entry ± %6.0f\n",
batches[i],
(unsigned long long) avg.rel_value_us / lcm,
sqrt (variance / lcm / (ROUNDS - 1)));
}
result = 0;
drop:
GNUNET_break (GNUNET_OK ==
plugin->drop_tables (plugin->cls));
cleanup:
TALER_EXCHANGEDB_plugin_unload (plugin);
plugin = NULL;
}
int
main (int argc,
char *const argv[])
{
const char *plugin_name;
char *config_filename;
char *testname;
struct GNUNET_CONFIGURATION_Handle *cfg;
(void) argc;
result = -1;
if (NULL == (plugin_name = strrchr (argv[0], (int) '-')))
{
GNUNET_break (0);
return -1;
}
GNUNET_log_setup (argv[0],
"WARNING",
NULL);
plugin_name++;
(void) GNUNET_asprintf (&testname,
"test-exchange-db-%s",
plugin_name);
(void) GNUNET_asprintf (&config_filename,
"%s.conf",
testname);
cfg = GNUNET_CONFIGURATION_create ();
if (GNUNET_OK !=
GNUNET_CONFIGURATION_parse (cfg,
config_filename))
{
GNUNET_break (0);
GNUNET_free (config_filename);
GNUNET_free (testname);
return 2;
}
GNUNET_SCHEDULER_run (&run,
cfg);
GNUNET_CONFIGURATION_destroy (cfg);
GNUNET_free (config_filename);
GNUNET_free (testname);
return result;
}
/* end of perf_reserves_in_insert.c */
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