1 | <?php |
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2 | |||||
3 | namespace LeKoala\DevToolkit; |
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4 | |||||
5 | use Psr\Log\LoggerInterface; |
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6 | use LeKoala\Base\Helpers\ClassHelper; |
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7 | use SilverStripe\Core\Injector\Injector; |
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8 | |||||
9 | class Benchmark |
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10 | { |
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11 | /** |
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12 | * @return \Monolog\Logger |
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13 | */ |
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14 | public static function getLogger() |
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15 | { |
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16 | $parts = explode("\\", get_called_class()); |
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17 | $class = array_pop($parts); |
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18 | return Injector::inst()->get(LoggerInterface::class)->withName(ClassHelper::getClassWithoutNamespace($class)); |
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19 | } |
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20 | |||||
21 | /** |
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22 | * A dead simple benchmark function |
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23 | * |
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24 | * Usage : bm(function() { // Insert here the code to benchmark }); |
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25 | * Alternative usage : bm() ; // Code to test ; bm(); |
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26 | * |
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27 | * @param callable $cb |
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28 | * @return void |
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29 | */ |
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30 | public static function run($cb = null) |
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31 | { |
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32 | $data = self::benchmark($cb); |
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33 | if (!$data) { |
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34 | return; |
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35 | } |
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36 | printf("It took %s seconds and used %s memory", $data['time'], $data['memory']); |
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37 | die(); |
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38 | } |
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39 | |||||
40 | /** |
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41 | * @param null|callable $cb |
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42 | * @return false|array{'time': string, 'memory': string} |
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43 | */ |
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44 | protected static function benchmark($cb = null) |
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45 | { |
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46 | static $data = null; |
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47 | |||||
48 | // No callback scenario |
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49 | if ($cb === null) { |
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50 | if ($data === null) { |
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51 | $data = [ |
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52 | 'startTime' => microtime(true), |
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53 | 'startMemory' => memory_get_usage(), |
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54 | ]; |
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55 | // Allow another call |
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56 | return false; |
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57 | } else { |
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58 | $startTime = $data['startTime']; |
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59 | $startMemory = $data['startMemory']; |
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60 | |||||
61 | // Clear for future calls |
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62 | $data = null; |
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63 | } |
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64 | } else { |
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65 | $startTime = microtime(true); |
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66 | $startMemory = memory_get_usage(); |
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67 | |||||
68 | $cb(); |
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69 | } |
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70 | |||||
71 | $endTime = microtime(true); |
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72 | $endMemory = memory_get_usage(); |
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73 | |||||
74 | $time = sprintf("%.6f", $endTime - $startTime); |
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75 | $memory = self::bytesToHuman($endMemory - $startMemory); |
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76 | |||||
77 | return [ |
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78 | 'time' => $time, |
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79 | 'memory' => $memory, |
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80 | ]; |
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81 | } |
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82 | |||||
83 | protected static function bytesToHuman(float $bytes, int $decimals = 2): string |
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0 ignored issues
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The parameter
$decimals is not used and could be removed.
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.
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84 | { |
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85 | if ($bytes == 0) { |
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86 | return "0.00 B"; |
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87 | } |
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88 | $e = floor(log($bytes, 1024)); |
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89 | return round($bytes / pow(1024, $e), 2) . ['B', 'KB', 'MB', 'GB', 'TB', 'PB'][$e]; |
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90 | } |
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91 | |||||
92 | /** |
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93 | * @param string $name |
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94 | * @param null|callable $cb |
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95 | * @return void |
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96 | */ |
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97 | public static function log(string $name, $cb = null): void |
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98 | { |
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99 | $data = self::benchmark($cb); |
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100 | if (!$data) { |
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0 ignored issues
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show
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101 | return; |
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102 | } |
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103 | |||||
104 | $time = $data['time']; |
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105 | $memory = $data['memory']; |
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106 | |||||
107 | self::getLogger()->debug("$name : $time seconds and $memory memory."); |
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108 | } |
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109 | } |
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110 |