$oneJob = bcdiv($end, $jobsP, 99);
$res[] = bcdiv(1, $oneJob, 99);
$jps = bcdiv(1, $oneJob);
$print("Iteration: " . ($j + 1) . "; Jobs per second: {$jps}");
}
$sum = 0;
foreach ($res as $r) {
$sum = bcadd($sum, $r, 99);
}
$avJps = bcdiv($sum, $tests);
$print("Average jobs per second: {$avJps}", 2);
if ($bestJps < $avJps) {
$bestJps = $avJps;
$bestThreadsNum = $threads;
}
if ($avJps < $bestJps || $avJps < $lastJps) {
$regression++;
}
if ($regression >= 3) {
break;
}
$lastJps = $avJps;
// Increase number of threads
$threads++;
$pool->setMaxThreads($threads);
} while (true);
$pool->cleanup();
$print('', 3);
$print("Best number of threads for your system: {$bestThreadsNum} ({$bestJps} jobs per second)");
$boost = bcdiv($bestJps, bcdiv($averageOneThreadJps, 100, 99), 2);
$print("Performance boost in relation to a single thread: {$boost}%");
/**
* Pool, errors
*
* @param bool $debug
*
* @throws Exception
*/
function processPoolErrorable($debug = false)
{
$num = 12;
$threads = 4;
if ($debug) {
echo '-----------------------', PHP_EOL, "Errorable thread pool test: ", Thread::$useForks ? 'Async' : 'Sync', PHP_EOL, '-----------------------', PHP_EOL;
}
$pool = new ThreadPool(__NAMESPACE__ . '\\TestThreadErrorable', $threads, null, null, $debug);
$jobs = array();
$i = $j = 0;
$left = $num;
$maxI = ceil($num * 2.5);
do {
while ($left > 0 && $pool->hasWaiting()) {
$arg = mt_rand(1000000, 200000000);
$threadId = $pool->run($arg, $j);
$this->assertTrue(!isset($jobs[$threadId]), "Thread #{$threadId} is not failed correctly");
$jobs[$threadId] = $arg;
$left--;
$j++;
}
if ($results = $pool->wait($failed)) {
foreach ($results as $threadId => $res) {
$num--;
$this->assertTrue(isset($jobs[$threadId]), "Thread #{$threadId}");
$this->assertEquals($jobs[$threadId], $res, "Thread #{$threadId}");
unset($jobs[$threadId]);
}
}
if ($failed) {
foreach ($failed as $threadId => $errArray) {
list($errCode, $errMsg) = $errArray;
$this->assertTrue(isset($jobs[$threadId]), "Thread #{$threadId}");
$this->assertNotEmpty($errCode, 'Error code needed');
$this->assertTrue(is_int($errCode), 'Error code needed');
$this->assertNotEmpty($errMsg, 'Error message needed');
unset($jobs[$threadId]);
$left++;
}
}
$i++;
} while ($num > 0 && $i < $maxI);
$this->assertSame(0, $num, 'All jobs must be done');
$pool->cleanup();
$this->assertSame(0, $pool->getThreadsCount());
$this->assertEmpty($pool->getThreads());
$this->assertFalse($pool->hasWaiting());
}
