/**
* Runs an empty test to determine the benchmark overhead and run each test once
*/
private function _warmup()
{
$warmup = new Test('warmup', function () {
});
$this->_overhead = $warmup->runTest($this->_count);
// One call each method for init (warmup)
/** @var Test $test */
foreach ($this->_tests as $test) {
$test->runTest(1);
}
$this->out('PHP Overhead: ' . 'time=' . Timer::formatMS($this->_overhead['time']) . '; ' . 'memory=' . FS::format($this->_overhead['memory'], 2) . ';' . PHP_EOL);
}
/**
* @param int $count
* @return array
*/
public function runTest($count = 1)
{
gc_collect_cycles();
// Forces collection of any existing garbage cycles
$this->_profiler->start();
for ($i = 0; $i < $count; $i++) {
// Store the result so it appears in memory profiling
$this->_executeTest();
}
$this->_profiler->stop();
$time = $this->_profiler->getTime();
$timeOne = $this->_profiler->getTime() / $count;
$memory = $this->_profiler->getMemory();
return array('time' => $time, 'time_one' => $timeOne, 'memory' => $memory, 'count' => $count, 'formated' => sprintf("Time: %s/%s; Memory: %s; Count: %s", Timer::formatMS($time), Timer::formatMS($timeOne), FS::format($memory), $count));
}
/**
* Returns the resources (time, memory) of the request as a string.
*
* @param bool $getPeakMemory
* @param bool $isRealMemory
* @return string
*/
public static function resourceUsage($getPeakMemory = true, $isRealMemory = false)
{
if ($getPeakMemory) {
$message = 'Time: %s, Peak memory: %s';
$memory = memory_get_peak_usage($isRealMemory);
} else {
$message = 'Time: %s, Memory: %s';
$memory = memory_get_usage($isRealMemory);
}
$memory = FS::format($memory, 2);
$time = Timer::format(Timer::timeSinceStart());
return sprintf($message, $time, $memory);
}
public function testTimeSinceStart()
{
isTrue(Timer::timeSinceStart());
}
