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<?php |
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namespace Hyperized\Benchmark\Modules; |
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use Hyperized\Benchmark\Config\Config; |
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use Hyperized\Benchmark\Generic\Directory; |
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use Hyperized\Benchmark\Generic\Table; |
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use Hyperized\Benchmark\Generic\Visual; |
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/** |
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* Class Disk |
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* @package Hyperized\Benchmark\Modules |
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*/ |
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class Disk |
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{ |
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/** |
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* @var string |
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*/ |
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private static $path = __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..'; |
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/** |
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* @var string |
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*/ |
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private static $tmpDirectory = DIRECTORY_SEPARATOR . 'tmp'; |
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/** |
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* @var array |
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*/ |
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private static $commonBlockSizesBytes = [ |
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512, |
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1024, |
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2048, |
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4096, |
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8192, |
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16384, |
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32678, |
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65536, |
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]; |
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/** |
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* @var int |
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*/ |
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private $initial; |
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/** |
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* @var |
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*/ |
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private $tmpDirectoryPath; |
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/** |
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* @var array |
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*/ |
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private $counterFileCreation = []; |
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/** |
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* @var int |
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*/ |
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private $cycles = 1; |
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/** |
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* Disk constructor. |
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* |
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* @param \Hyperized\Benchmark\Config\Config $config |
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*/ |
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public function __construct(Config $config) |
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{ |
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if ($config->get('benchmark.disk.enabled')) { |
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$this->cycles = $config->get('benchmark.disk.cycles'); |
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$this->run(); |
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$this->render(); |
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} |
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} |
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/** |
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* Run! |
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*/ |
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private function run(): void |
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{ |
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$this->initial = \time(); |
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$this->tmpDirectoryPath = \realpath(self::$path) . self::$tmpDirectory; |
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try { |
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// Create subdirectory |
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Directory::create($this->tmpDirectoryPath); |
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foreach (self::$commonBlockSizesBytes as $bytes) { |
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$this->counterFileCreation['Run'][$bytes] = 0; |
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} |
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for ($c = $this->cycles; $c >= 0; $c--) { |
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// Generate files with different block sizes |
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foreach (self::$commonBlockSizesBytes as $bytes) { |
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$prefix = $this->initial . '_' . $bytes; |
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$content = $this->getRandomBytes($bytes); |
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// Start the timer (measure only disk interaction, not string generation etc) |
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$start = \microtime(true); |
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$file = \tempnam($this->tmpDirectoryPath, $prefix); |
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\file_put_contents($file, $content); |
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// Stop timer & append time to timer array with this block size |
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$this->counterFileCreation['Run'][$bytes] += (\microtime(true) - $start); |
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} |
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} |
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// Clean up |
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Directory::removeRecursively($this->tmpDirectoryPath); |
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} catch (\Exception $e) { |
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Visual::print($e); |
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} |
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} |
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/** |
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* @param $bytes |
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* |
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* @return string |
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* @throws \Exception |
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*/ |
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private function getRandomBytes($bytes): string |
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{ |
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return random_bytes($bytes); |
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} |
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/** |
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* Render |
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*/ |
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private function render(): void |
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{ |
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Visual::print('== Disk performance information', "\n"); |
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Visual::print('Results sorted by file size (in bytes) in milliseconds (less is better), for a total of ' . $this->cycles . ' cycles:', "\n"); |
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new Table($this->counterFileCreation); |
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Visual::print(' ', "\n"); |
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} |
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} |