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bench.php
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<?php
/*
################################################################################
# PHP Benchmark Performance Script #
# 2010 Code24 BV #
# 2015-2019 Rusoft #
# #
# Author : Alessandro Torrisi #
# Company : Code24 BV, The Netherlands #
# Author : Sergey Dryabzhinsky #
# Company : Rusoft Ltd, Russia #
# Date : May 10, 2019 #
# Version : 1.0.35 #
# License : Creative Commons CC-BY license #
# Website : https://github.com/rusoft/php-simple-benchmark-script #
# Website : https://git.rusoft.ru/open-source/php-simple-benchmark-script #
# #
################################################################################
*/
$scriptVersion = '1.0.35';
ini_set('display_errors', 0);
ini_set('error_log', null);
error_reporting(E_ERROR | E_WARNING | E_PARSE);
// Disable explicit error reporting
$xdebug = ini_get('xdebug.default_enable');
ini_set('xdebug.show_exception_trace', 0);
if ($xdebug) {
print('<pre><<< ERROR >>> You need to disable Xdebug extension! It greatly slow things down!</pre>'.PHP_EOL);
exit(1);
}
// Used in hacks/fixes checks
$phpversion = explode('.', PHP_VERSION);
$dropDead = false;
// No php < 4
if ((int)$phpversion[0] < 4) {
$dropDead = true;
}
// No php <= 4.3
if ((int)$phpversion[0] == 4 && (int)$phpversion[1] < 3) {
$dropDead = true;
}
if ($dropDead) {
print('<pre><<< ERROR >>> Need PHP 4.3+! Current version is ' . PHP_VERSION . '</pre>'.PHP_EOL);
exit(1);
}
if (!defined('PHP_MAJOR_VERSION')) {
define('PHP_MAJOR_VERSION', (int)$phpversion[0]);
}
if (!defined('PHP_MINOR_VERSION')) {
define('PHP_MINOR_VERSION', (int)$phpversion[1]);
}
$stringTest = " the quick <b>brown</b> fox jumps <i>over</i> the lazy dog and eat <span>lorem ipsum</span><br/> Valar morghulis <br/>\n\rабыр\nвалар дохаэрис <span class='alert alert-danger'>У нас закончились ложки, Нео!</span> ";
$regexPattern = '/[\s,]+/';
/** ------------------------------- Main Defaults ------------------------------- */
/* Default execution time limit in seconds */
$defaultTimeLimit = 600;
/* Default PHP memory limit in Mb */
$defaultMemoryLimit = 256;
$recalculateLimits = 1;
$printDumbTest = 0;
$outputTestsList = 0;
$showOnlySystemInfo = 0;
$selectedTests = array();
if ($t = (int)getenv('PHP_TIME_LIMIT')) {
$defaultTimeLimit = $t;
}
if (isset($_GET['time_limit']) && $t = (int)$_GET['time_limit']) {
$defaultTimeLimit = $t;
}
if ($m = (int)getenv('PHP_MEMORY_LIMIT')) {
$defaultMemoryLimit = $m;
}
if (isset($_GET['memory_limit']) && $m = (int)$_GET['memory_limit']) {
$defaultMemoryLimit = $m;
}
if ((int)getenv('DONT_RECALCULATE_LIMITS')) {
$recalculateLimits = 0;
}
if (isset($_GET['dont_recalculate_limits']) && (int)$_GET['dont_recalculate_limits']) {
$recalculateLimits = 0;
}
if ((int)getenv('PRINT_DUMB_TEST')) {
$printDumbTest = 1;
}
if (isset($_GET['print_dumb_test']) && (int)$_GET['print_dumb_test']) {
$printDumbTest = 1;
}
if ((int)getenv('LIST_TESTS')) {
$outputTestsList = 1;
}
if (isset($_GET['list_tests']) && (int)$_GET['list_tests']) {
$outputTestsList = 1;
}
if ((int)getenv('SYSTEM_INFO')) {
$showOnlySystemInfo = 1;
}
if (isset($_GET['system_info']) && (int)$_GET['system_info']) {
$showOnlySystemInfo = 1;
}
if ($r = getenv('RUN_TESTS')) {
$selectedTests = explode(',', $r);
}
if (!empty($_GET['run_tests'])) {
$selectedTests = explode(',', $_GET['run_tests']);
}
// http://php.net/manual/ru/function.getopt.php example #2
$shortopts = "h";
$shortopts .= "d";
$shortopts .= "D";
$shortopts .= "L";
$shortopts .= "I";
$shortopts .= "m:"; // Обязательное значение
$shortopts .= "t:"; // Обязательное значение
$shortopts .= "T:"; // Обязательное значение
$longopts = array(
"help",
"dont-recalc",
"dumb-test-print",
"list-tests",
"system-info",
"memory-limit:", // Обязательное значение
"time-limit:", // Обязательное значение
"run-test:", // Обязательное значение
);
$hasLongOpts = true;
if ((int)$phpversion[0] > 5) {
$options = getopt($shortopts, $longopts);
} elseif ((int)$phpversion[0] == 5 && (int)$phpversion[1] >= 3) {
$options = getopt($shortopts, $longopts);
} else {
$options = getopt($shortopts);
$hasLongOpts = false;
}
if ($options) {
foreach ($options as $okey => $oval) {
switch ($okey) {
case 'h':
case 'help':
if ($hasLongOpts) {
print(
'<pre>' . PHP_EOL
. 'PHP Benchmark Performance Script, version ' . $scriptVersion . PHP_EOL
. PHP_EOL
. 'Usage: ' . basename(__FILE__) . ' [-h|--help] [-d|--dont-recalc] [-D|--dumb-test-print] [-L|--list-tests] [-I|--system-info] [-m|--memory-limit=256] [-t|--time-limit=600] [-T|--run-test=name1 ...]' . PHP_EOL
. PHP_EOL
. ' -h|--help - print this help and exit' . PHP_EOL
. ' -d|--dont-recalc - do not recalculate test times / operations count even if memory of execution time limits are low' . PHP_EOL
. ' -D|--dumb-test-print - print dumb test time, for debug purpose' . PHP_EOL
. ' -L|--list-tests - output list of available tests and exit' . PHP_EOL
. ' -I|--system-info - output system info but do not run tests and exit' . PHP_EOL
. ' -m|--memory-limit <Mb> - set memory_limit value in Mb, defaults to 256 (Mb)' . PHP_EOL
. ' -t|--time-limit <sec> - set max_execution_time value in seconds, defaults to 600 (sec)' . PHP_EOL
. ' -T|--run-test <name> - run selected test, test names from --list-tests output, can be defined multiple times' . PHP_EOL
. PHP_EOL
. 'Example: php ' . basename(__FILE__) . ' -m=64 -t=30' . PHP_EOL
. '</pre>' . PHP_EOL
);
} else {
print(
'<pre>' . PHP_EOL
. 'PHP Benchmark Performance Script, version ' . $scriptVersion . PHP_EOL
. PHP_EOL
. 'Usage: ' . basename(__FILE__) . ' [-h] [-d] [-D] [-L] [-m 256] [-t 600] [-T name1 ...]' . PHP_EOL
. PHP_EOL
. ' -h - print this help and exit' . PHP_EOL
. ' -d - do not recalculate test times / operations count even if memory of execution time limits are low' . PHP_EOL
. ' -D - print dumb test time, for debug purpose' . PHP_EOL
. ' -L - output list of available tests and exit' . PHP_EOL
. ' -I - output system info but do not run tests and exit' . PHP_EOL
. ' -m <Mb> - set memory_limit value in Mb, defaults to 256 (Mb)' . PHP_EOL
. ' -t <sec> - set max_execution_time value in seconds, defaults to 600 (sec)' . PHP_EOL
. ' -T <name> - run selected test, test names from -L output, can be defined multiple times' . PHP_EOL
. PHP_EOL
. 'Example: php ' . basename(__FILE__) . ' -m 64 -t 30' . PHP_EOL
. '</pre>' . PHP_EOL
);
}
exit(0);
break;
case 'm':
case 'memory-limit':
if (is_numeric($oval)) {
$defaultMemoryLimit = (int)$oval;
} else {
print("<pre><<< WARNING >>> Option '$okey' has not numeric value '$oval'! Skip.</pre>" . PHP_EOL);
}
break;
case 'd':
case 'dont-recalc':
$recalculateLimits = 0;
break;
case 'D':
case 'dumb-test-print':
$printDumbTest = 1;
break;
case 'L':
case 'list-tests':
$outputTestsList = 1;
break;
case 'I':
case 'system-info':
$showOnlySystemInfo = 1;
break;
case 't':
case 'time-limit':
if (is_numeric($oval)) {
$defaultTimeLimit = (int)$oval;
} else {
print("<pre><<< WARNING >>> Option '$okey' has not numeric value '$oval'! Skip.</pre>" . PHP_EOL);
}
break;
case 'T':
case 'run-test':
// Multiple values are joined into array
if (!empty($oval)) {
$selectedTests = (array)$oval;
} else {
print("<pre><<< WARNING >>> Option '$okey' has no value! Skip.</pre>" . PHP_EOL);
}
break;
default:
print("<pre><<< WARNING >>> Unknown option '$okey'!</pre>" . PHP_EOL);
}
}
}
set_time_limit($defaultTimeLimit);
@ini_set('memory_limit', $defaultMemoryLimit . 'M');
// Force output flushing, like in CLI
// May help with proxy-pass apache-nginx
@ini_set('output_buffering', 0);
@ini_set('implicit_flush', 1);
ob_implicit_flush(1);
// Special for nginx
header('X-Accel-Buffering: no');
if (file_exists('/usr/bin/taskset')) {
shell_exec('/usr/bin/taskset -c -p 0 ' . getmypid());
}
/** ------------------------------- Main Constants ------------------------------- */
$line = str_pad("-", 91, "-");
$padHeader = 89;
$padInfo = 19;
$padLabel = 30;
$emptyResult = array(0, '-.---', '-.--', '-.--', 0);
$cryptSalt = null;
$cryptAlgoName = 'default';
// That gives around 256Mb memory use and reasonable test time
$testMemoryFull = 256 * 1024 * 1024;
// Arrays are matrix [$dimention] x [$dimention]
$arrayDimensionLimit = 500;
// That limit gives around 256Mb too
$stringConcatLoopRepeat = 1;
$runOnlySelectedTests = !empty($selectedTests);
/** ---------------------------------- Tests limits - to recalculate -------------------------------------------- */
// Gathered on this machine
$loopMaxPhpTimesMHz = 3000;
// How much time needed for tests on this machine
$loopMaxPhpTimes = array(
'4.4' => 350,
'5.2' => 237,
'5.3' => 211,
'5.4' => 191,
'5.5' => 189,
'5.6' => 190,
'7.0' => 109,
'7.1' => 107,
'7.2' => 105,
'7.3' => 92,
'7.4' => 86,
);
$dumbTestMaxPhpTimes = array(
'4.4' => 2.13,
'5.2' => 1.82,
'5.3' => 1.82,
'5.4' => 1.71,
'5.5' => 1.86,
'5.6' => 1.92,
'7.0' => 1.19,
'7.1' => 1.19,
'7.2' => 1.18,
'7.3' => 1.05,
'7.4' => 1.02,
);
$testsLoopLimits = array(
'01_math' => 1000000,
// Nice dice roll
// That limit gives around 256Mb too
'02_string_concat' => 7700000,
'03_1_string_number_concat' => 5000000,
'03_2_string_number_format' => 5000000,
'04_string_simple' => 1300000,
'05_string_mb' => 130000,
'06_string_manip' => 1300000,
'07_regex' => 1300000,
'08_1_hashing' => 1300000,
'08_2_crypt' => 10000,
'09_json_encode' => 1300000,
'10_json_decode' => 1300000,
'11_serialize' => 1300000,
'12_unserialize' => 1300000,
'13_array_loop' => 200,
'14_array_loop' => 200,
'15_loops' => 100000000,
'16_loop_ifelse' => 50000000,
'17_loop_ternary' => 50000000,
'18_1_loop_def' => 20000000,
'18_2_loop_undef' => 20000000,
'19_type_func' => 3000000,
'20_type_conv' => 3000000,
'21_loop_except' => 4000000,
'22_loop_nullop' => 50000000,
'23_loop_spaceship' => 50000000,
'24_xmlrpc_encode' => 200000,
'25_xmlrpc_decode' => 30000,
'26_1_public' => 5000000,
'26_2_getset' => 5000000,
'26_3_magic' => 5000000,
);
$totalOps = 0;
/** ---------------------------------- Common functions -------------------------------------------- */
/**
* Gt pretty OS release name, if available
*/
function get_current_os()
{
$osFile = '/etc/os-release';
$result = PHP_OS;
if (file_exists($osFile)) {
$f = fopen($osFile, 'r');
while (!feof($f)) {
$line = trim(fgets($f, 1000000));
if (strpos($line, 'PRETTY_NAME=') === 0) {
$s = explode('=', $line);
$result = array_pop($s);
$result = str_replace('"','', $result);
}
}
}
return $result;
}
function get_microtime()
{
$time = microtime(true);
if (is_string($time)) {
list($f, $i) = explode(' ', $time);
$time = intval($i) + floatval($f);
}
return $time;
}
function convert($size)
{
$unit = array('b', 'kb', 'Mb', 'Gb', 'Tb', 'Pb', 'Eb');
if ($size <= 0) $i = 0;
else $i = floor(log($size, 1024));
if ($i < 0) $i = 0;
return @round($size / pow(1024, $i), 2) . ' ' . $unit[$i];
}
function prefix_si($size)
{
$unit = array(' ', 'k', 'M', 'G', 'T', 'P', 'E', -3 => 'm', -6 => 'u');
$i = floor(log($size, 1000));
if ($i < 0) {
if ($i <= -6) {
$i = -6;
} elseif ($i <= -3) {
$i = -3;
} else {
$i = 0;
}
}
return $unit[$i];
}
function convert_si($size)
{
$i = floor(log($size, 1000));
if ($i < 0) {
if ($i <= -6) {
$i = -6;
} elseif ($i <= -3) {
$i = -3;
} else {
$i = 0;
}
}
return @round($size / pow(1000, $i), 2);
}
/**
* Return memory_limit in bytes
*/
function getPhpMemoryLimitBytes()
{
// http://stackoverflow.com/a/10209530
$memory_limit = strtolower(ini_get('memory_limit'));
if (preg_match('/^(\d+)(.)$/', $memory_limit, $matches)) {
if ($matches[2] == 'g') {
$memory_limit = intval($matches[1]) * 1024 * 1024 * 1024; // nnnG -> nnn GB
} else if ($matches[2] == 'm') {
$memory_limit = intval($matches[1]) * 1024 * 1024; // nnnM -> nnn MB
} else if ($matches[2] == 'k') {
$memory_limit = intval($matches[1]) * 1024; // nnnK -> nnn KB
} else {
$memory_limit = intval($matches[1]); // nnn -> nnn B
}
}
return $memory_limit;
}
/**
* Return array (dict) with system memory info
* http://stackoverflow.com/a/1455610
*/
function getSystemMemInfo()
{
$data = explode("\n", file_get_contents("/proc/meminfo"));
$meminfo = array();
foreach ($data as $line) {
if (empty($line)) {
continue;
}
list($key, $val) = explode(":", $line);
$_val = explode(" ", strtolower(trim($val)));
$val = intval($_val[0]);
if (isset($_val[1]) && $_val[1] == 'kb') {
$val *= 1024;
}
$meminfo[$key] = trim($val);
}
return $meminfo;
}
/**
* Return system memory FREE+CACHED+BUFFERS bytes (may be free)
*/
function getSystemMemoryFreeLimitBytes()
{
$info = getSystemMemInfo();
if (isset($info['MemAvailable'])) {
return $info['MemAvailable'];
}
return $info['MemFree'] + $info['Cached'] + $info['Buffers'];
}
/**
* Read /proc/cpuinfo, fetch some data
*/
function getCpuInfo($fireUpCpu = false)
{
$cpu = array(
'model' => '',
'vendor' => '',
'cores' => 0,
'mhz' => 0.0,
'max-mhz' => 0.0,
'min-mhz' => 0.0,
'mips' => 0.0
);
if (!is_readable('/proc/cpuinfo')) {
$cpu['model'] = 'Unknown';
$cpu['vendor'] = 'Unknown';
$cpu['cores'] = 1;
return $cpu;
}
if ($fireUpCpu) {
// Fire up CPU, Don't waste much time here
$i = 30000000;
while ($i--) ;
}
if (file_exists('/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq')) {
$cpu['mhz'] = ((int)file_get_contents('/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq'))/1000.0;
}
// Code from https://github.com/jrgp/linfo/blob/master/src/Linfo/OS/Linux.php
// Adopted
$cpuData = explode("\n", file_get_contents('/proc/cpuinfo'));
foreach ($cpuData as $line) {
$line = explode(':', $line, 2);
if (!array_key_exists(1, $line)) {
continue;
}
$key = trim($line[0]);
$value = trim($line[1]);
// What we want are bogomips, MHz, processor, and Model.
switch ($key) {
// CPU model
case 'model name':
case 'cpu':
case 'Processor':
if (empty($cpu['model'])) {
$cpu['model'] = $value;
}
break;
// Speed in MHz
case 'cpu MHz':
if (empty($cpu['mhz']) || $cpu['mhz'] < (float)$value) {
$cpu['mhz'] = (float)$value;
}
break;
case 'Cpu0ClkTck': // Old sun boxes
if (empty($cpu['mhz'])) {
$cpu['mhz'] = (int)hexdec($value) / 1000000.0;
}
break;
case 'bogomips': // twice of MHz usualy on Intel/Amd
case 'BogoMIPS': // twice of MHz usualy on Intel/Amd
if (empty($cpu['mhz'])) {
$cpu['mhz'] = (float)$value / 2.0;
}
if (empty($cpu['mips'])) {
$cpu['mips'] = (float)$value / 2.0;
}
break;
// cores
case 'cpu cores':
if (empty($cpu['cores'])) {
$cpu['cores'] = (int)$value;
}
break;
}
}
// Raspberry Pi or other ARM board etc.
$cpuData = explode("\n", shell_exec('lscpu'));
foreach ($cpuData as $line) {
$line = explode(':', $line, 2);
if (!array_key_exists(1, $line)) {
continue;
}
$key = trim($line[0]);
$value = trim($line[1]);
// What we want are bogomips, MHz, processor, and Model.
switch ($key) {
// CPU model
case 'Model name':
if (empty($cpu['model'])) {
$cpu['model'] = $value;
}
break;
// cores
case 'CPU(s)':
if (empty($cpu['cores'])) {
$cpu['cores'] = (int)$value;
}
break;
// MHz
case 'CPU max MHz':
if (empty($cpu['max-mhz'])) {
$cpu['max-mhz'] = (int)$value;
}
break;
case 'CPU min MHz':
if (empty($cpu['min-mhz'])) {
$cpu['min-mhz'] = (int)$value;
}
break;
// vendor
case 'Vendor ID':
if (empty($cpu['vendor'])) {
$cpu['vendor'] = $value;
}
break;
}
}
if ($cpu['vendor'] == 'ARM') {
// Unusable
$cpu['mips'] = 0;
}
return $cpu;
}
function dumb_test_Functions()
{
global $stringTest;
$count = 100000;
$time_start = get_microtime();
$stringFunctions = array('strtoupper', 'strtolower', 'strlen', 'str_rot13', 'ord', 'mb_strlen', 'trim', 'md5', 'json_encode', 'xmlrpc_encode');
foreach ($stringFunctions as $key => $function) {
if (!function_exists($function)) {
unset($stringFunctions[$key]);
}
}
for ($i = 0; $i < $count; $i++) {
foreach ($stringFunctions as $function) {
$r = call_user_func_array($function, array($stringTest));
}
}
return get_microtime() - $time_start;
}
function mymemory_usage()
{
$m = memory_get_usage(true);
if (!$m) {
// If Zend Memory Manager disabled
// Dummy, not accurate
$dat = getrusage();
$m = $dat["ru_maxrss"];
}
return $m;
}
// Run tests or not?
if (!$outputTestsList) {
/** ---------------------------------- Code for common variables, tune values -------------------------------------------- */
// Search most common available algo for SALT
// http://php.net/manual/ru/function.crypt.php example #3
$cryptSalt = null;
if (defined('CRYPT_STD_DES') && CRYPT_STD_DES == 1) {
$cryptSalt = 'rl';
$cryptAlgoName = 'Std. DES';
}
if (defined('CRYPT_EXT_DES') && CRYPT_EXT_DES == 1) {
$cryptSalt = '_J9..rasm';
$cryptAlgoName = 'Ext. DES';
}
if (defined('CRYPT_MD5') && CRYPT_MD5 == 1) {
$cryptSalt = '$1$rasmusle$';
$cryptAlgoName = 'MD5';
}
/**
* These are available since 5.3+
* MD5 should be available to all versions.
*/
/*
if (defined('CRYPT_BLOWFISH') && CRYPT_BLOWFISH == 1) {
$cryptSalt = '$2a$07$usesomesillystringforsalt$';
$cryptAlgoName = 'BlowFish';
}
if (defined('CRYPT_SHA256') && CRYPT_SHA256 == 1) {
$cryptSalt = '$5$rounds=5000$usesomesillystringforsalt$';
$cryptAlgoName = 'Sha256';
}
if (defined('CRYPT_SHA512') && CRYPT_SHA512 == 1) {
$cryptSalt = '$6$rounds=5000$usesomesillystringforsalt$';
$cryptAlgoName = 'Sha512';
}
*/
if ($cryptAlgoName != 'MD5' && $cryptAlgoName != 'default') {
print("<pre>\n<<< WARNING >>>\nHashing algorithm MD5 not available for crypt() in this PHP build!\n It should be available in any PHP build.\n</pre>" . PHP_EOL);
}
$cpuInfo = getCpuInfo();
// CPU throttling?
if ($cpuInfo['mips'] && $cpuInfo['mhz']) {
if (abs($cpuInfo['mips'] - $cpuInfo['mhz']) > 300) {
print("<pre>\n<<< WARNING >>>\nCPU is in powersaving mode? Set CPU governor to 'performance'!\n Fire up CPU and recalculate MHz!\n</pre>" . PHP_EOL);
// TIME WASTED HERE
$cpuInfo = getCpuInfo(true);
}
} else if ($cpuInfo['max-mhz'] && $cpuInfo['mhz']) {
if (abs($cpuInfo['max-mhz'] - $cpuInfo['mhz']) > 300) {
print("<pre>\n<<< WARNING >>>\nCPU is in powersaving mode? Set CPU governor to 'performance'!\n Fire up CPU and recalculate MHz!\n</pre>" . PHP_EOL);
// TIME WASTED HERE
$cpuInfo = getCpuInfo(true);
}
}
$memoryLimit = min(getPhpMemoryLimitBytes(), getSystemMemoryFreeLimitBytes());
$memoryLimitMb = convert($memoryLimit);
// Adjust array tests limits
if ($memoryLimit < $testMemoryFull) {
print("<pre>\n<<< WARNING >>>\nAvailable memory for tests: " . $memoryLimitMb
. " is less than minimum required: " . convert($testMemoryFull)
. ".\n Recalculate tests parameters to fit in memory limits."
. "\n</pre>" . PHP_EOL);
$factor = 1.0 * ($testMemoryFull - $memoryLimit) / $testMemoryFull;
$diff = (int)($factor * $arrayDimensionLimit);
$testsLoopLimits['13_array_loop'] += (int)(1.0 * pow($arrayDimensionLimit, 2) * $testsLoopLimits['13_array_loop'] / pow($arrayDimensionLimit - $diff, 2));
$testsLoopLimits['14_array_loop'] = $testsLoopLimits['13_array_loop'];
$arrayDimensionLimit -= $diff;
$diff = (int)($factor * $testsLoopLimits['02_string_concat']);
// Special hack for php-7.x
// New string classes, new memory allocator
// Consumes more, allocate huge blocks
if ((int)$phpversion[0] >= 7) $diff = (int)($diff * 1.1);
$stringConcatLoopRepeat = (int)(1.0 * ($testsLoopLimits['02_string_concat'] * $stringConcatLoopRepeat) / ($testsLoopLimits['02_string_concat'] - $diff));
$testsLoopLimits['02_string_concat'] -= $diff;
}
/** Recalc loop limits if max_execution_time less than needed */
$maxTime = ini_get('max_execution_time');
$needTime = $defaultTimeLimit;
$pv = $phpversion[0] . '.' . $phpversion[1];
if (isset($loopMaxPhpTimes[$pv])) {
$needTime = $loopMaxPhpTimes[$pv];
} elseif (isset($loopMaxPhpTimes[$phpversion[0]])) {
$needTime = $loopMaxPhpTimes[$phpversion[0]];
}
if (isset($dumbTestMaxPhpTimes[$pv])) {
$dumbTestTimeMax = $dumbTestMaxPhpTimes[$pv];
} elseif (isset($dumbTestMaxPhpTimes[$phpversion[0]])) {
$dumbTestTimeMax = $dumbTestMaxPhpTimes[$phpversion[0]];
}
if ($recalculateLimits) {
$factor = 1.0;
// Don't bother if time is unlimited
if ($maxTime) {
if ($needTime > ($maxTime - 1)) {
$factor = 1.0 * ($maxTime - 1) / $needTime;
}
}
if ($factor < 1.0) {
// Adjust more only if maxTime too small
if ($cpuInfo['mhz'] < $loopMaxPhpTimesMHz) {
$factor *= 1.0 * $cpuInfo['mhz'] / $loopMaxPhpTimesMHz;
}
// TIME WASTED HERE
$dumbTestTime = dumb_test_Functions();
// Debug
if ($printDumbTest) {
print("Dumb test time: " .$dumbTestTime . PHP_EOL);
}
if ($dumbTestTime > $dumbTestTimeMax) {
$factor *= 1.0 * $dumbTestTimeMax / $dumbTestTime;
}
}
$cpuModel = $cpuInfo['model'];
if (strpos($cpuModel, 'Atom') !== false || strpos($cpuInfo['model'], 'ARM') !== false) {
print("<pre>\n<<< WARNING >>>\nYour processor '{$cpuModel}' have too low performance!\n</pre>" . PHP_EOL);
$factor = 1.0/3;
}
if ($factor < 1.0) {
print("<pre>\n<<< WARNING >>>\nMax execution time is less than needed for tests!\nWill try to reduce tests time as much as possible.\n</pre>" . PHP_EOL);
foreach ($testsLoopLimits as $tst => $loops) {
$testsLoopLimits[$tst] = (int)($loops * $factor);
}
}
} // recalculate time limits
} // only show tests names or not?
/** ---------------------------------- Common functions for tests -------------------------------------------- */
/**
* @return array((int)seconds, (str)seconds, (str)operations/sec), (str)opterations/MHz)
*/
function format_result_test($diffSeconds, $opCount, $memory = 0)
{
global $cpuInfo;
if ($diffSeconds) {
$ops = $opCount / $diffSeconds;
$ops_v = convert_si($ops);
$ops_u = prefix_si($ops);
$opmhz = 0;
if (!empty($cpuInfo['mhz'])) {
$opmhz = $ops / $cpuInfo['mhz'];
}
$opmhz_v = convert_si($opmhz);
$opmhz_u = prefix_si($opmhz);
return array($diffSeconds, number_format($diffSeconds, 3, '.', ''),
number_format($ops_v, 2, '.', '') . ' ' . $ops_u,
number_format($opmhz_v, 2, '.', '') . ' ' . $opmhz_u,
convert($memory)
);
} else {
return array(0, '0.000', 'x.xx ', 'x.xx ', 0);
}
}
/** ---------------------------------- Tests functions -------------------------------------------- */
function test_01_Math()
{
global $testsLoopLimits, $totalOps;
$mathFunctions = array('abs', 'acos', 'asin', 'atan', 'decbin', 'dechex', 'decoct', 'floor', 'exp', 'log1p', 'sin', 'tan', 'pi', 'is_finite', 'is_nan', 'sqrt', 'rad2deg');
foreach ($mathFunctions as $key => $function) {
if (!function_exists($function)) {
unset($mathFunctions[$key]);
}
}
$count = $testsLoopLimits['01_math'];
$time_start = get_microtime();
for ($i = 0; $i < $count; $i++) {
foreach ($mathFunctions as $function) {
$r = call_user_func_array($function, array($i));
}
}
$totalOps += $count;
return format_result_test(get_microtime() - $time_start, $count, mymemory_usage());
}
function test_02_String_Concat()
{
global $testsLoopLimits, $stringConcatLoopRepeat, $totalOps;
$count = $testsLoopLimits['02_string_concat'];
$time_start = get_microtime();
for ($r = 0; $r < $stringConcatLoopRepeat; ++$r) {
$s = '';
for ($i = 0; $i < $count; ++$i) {
$s .= '- Valar dohaeris' . PHP_EOL;
}
}
$totalOps += $count * $stringConcatLoopRepeat;
return format_result_test(get_microtime() - $time_start, $count * $stringConcatLoopRepeat, mymemory_usage());
}
function test_03_1_String_Number_Concat()
{
global $testsLoopLimits, $stringConcatLoopRepeat, $totalOps;
$count = $testsLoopLimits['03_1_string_number_concat'];
$time_start = get_microtime();
for ($i = 0; $i < $count; ++$i) {
$f = $i * 1.0;
$s = 'This is number ' . $i . ' string concat. Число: ' . $f . PHP_EOL;
}
$totalOps += $count;
return format_result_test(get_microtime() - $time_start, $count, mymemory_usage());
}
function test_03_2_String_Number_Format()
{
global $testsLoopLimits, $stringConcatLoopRepeat, $totalOps;
$count = $testsLoopLimits['03_2_string_number_format'];
$time_start = get_microtime();
for ($i = 0; $i < $count; ++$i) {
$f = $i * 1.0;
$s = "This is number $i string format. Число: $f\n";
}
$totalOps += $count;
return format_result_test(get_microtime() - $time_start, $count, mymemory_usage());
}
function test_04_String_Simple_Functions()
{
global $stringTest, $testsLoopLimits, $totalOps;
$stringFunctions = array('strtoupper', 'strtolower', 'strrev', 'strlen', 'str_rot13', 'ord', 'trim');
foreach ($stringFunctions as $key => $function) {
if (!function_exists($function)) {
unset($stringFunctions[$key]);
}
}
$count = $testsLoopLimits['04_string_simple'];
$time_start = get_microtime();
for ($i = 0; $i < $count; $i++) {
foreach ($stringFunctions as $function) {
$r = call_user_func_array($function, array($stringTest));
}
}
$totalOps += $count;
return format_result_test(get_microtime() - $time_start, $count, mymemory_usage());
}
function test_05_String_Multibyte()
{
global $stringTest, $emptyResult, $testsLoopLimits, $totalOps;
if (!function_exists('mb_strlen')) {
return $emptyResult;
}
$stringFunctions = array('mb_strtoupper', 'mb_strtolower', 'mb_strlen', 'mb_strwidth');
foreach ($stringFunctions as $key => $function) {
if (!function_exists($function)) {
unset($stringFunctions[$key]);
}
}
$count = $testsLoopLimits['05_string_mb'];
$time_start = get_microtime();
for ($i = 0; $i < $count; $i++) {
foreach ($stringFunctions as $function) {
$r = call_user_func_array($function, array($stringTest));
}
}
$totalOps += $count;
return format_result_test(get_microtime() - $time_start, $count, mymemory_usage());
}
function test_06_String_Manipulation()
{
global $stringTest, $testsLoopLimits, $totalOps;
$stringFunctions = array('addslashes', 'chunk_split', 'metaphone', 'strip_tags', 'soundex', 'wordwrap');
foreach ($stringFunctions as $key => $function) {
if (!function_exists($function)) {
unset($stringFunctions[$key]);
}
}
$count = $testsLoopLimits['06_string_manip'];
$time_start = get_microtime();
for ($i = 0; $i < $count; $i++) {
foreach ($stringFunctions as $function) {
$r = call_user_func_array($function, array($stringTest));
}
}
$totalOps += $count;
return format_result_test(get_microtime() - $time_start, $count, mymemory_usage());
}
function test_07_Regex()
{
global $stringTest, $regexPattern, $testsLoopLimits, $totalOps;
$count = $testsLoopLimits['07_regex'];
$time_start = get_microtime();
$stringFunctions = array('preg_match', 'preg_split');
foreach ($stringFunctions as $key => $function) {
if (!function_exists($function)) {
unset($stringFunctions[$key]);