Online PHP editor | perf for d9HiW

<?php class Bench { protected $functions = []; protected $cli; public function __construct($cli = false) { $this->cli = $cli; } public function add($label, \Closure $function) { $this->functions[] = [$label, $function]; } public function run($count) { $function = function () {}; $stats = $this->getStats(); for ($i = $count; $i--;) $function(); $stats2 = $this->getStats(); $timeDiff = $stats2[4] - $stats[4]; $this->printStats('Empty test (delta time subtracted from subsequent test)', $stats, $stats2, 0); // TODO: Split runs in pieces and interleave, to avoid bias with first/last runner. foreach ($this->functions as list($label, $function)) { $stats = $this->getStats(); for ($i = $count; $i--;) $function(); $stats2 = $this->getStats(); $this->printStats($label, $stats, $stats2, $timeDiff); } } protected function getStats() { return [memory_get_usage(), memory_get_usage(true), memory_get_peak_usage(), memory_get_peak_usage(true), microtime(1)]; } protected function printStats($label, $stats1, $stats2, $timeDiff) { list($mem, $memReal, $memPeak, $memRealPeak, $time) = $stats1; list($memNew, $memRealNew, $memPeakNew, $memRealPeakNew, $timeNew) = $stats2; $nl = "\n"; $labelLength = 20; $resultsLength = 15; // TODO: Better CLI support. Machine data export. if (PHP_SAPI === 'CLI') { ob_start(); } echo '' . $label . '' . $nl; echo '<code>' . $nl; echo str_pad('Memory', $labelLength, '.', STR_PAD_RIGHT); echo str_pad(number_format(($memNew - $mem) >> 10, 0), $resultsLength, '.', STR_PAD_LEFT) . ' kb ' . $nl; echo str_pad('Memory Real', $labelLength, '.', STR_PAD_RIGHT); echo str_pad(number_format(($memRealNew - $memReal) >> 10, 0), $resultsLength, '.', STR_PAD_LEFT) . ' kb ' . $nl; echo str_pad('Memory Peak', $labelLength, '.', STR_PAD_RIGHT); echo str_pad(number_format(($memPeakNew - $memPeak) >> 10, 0), $resultsLength, '.', STR_PAD_LEFT) . ' kb ' . $nl; echo str_pad('Memory Real Peak', $labelLength, '.', STR_PAD_RIGHT); echo str_pad(number_format(($memRealPeakNew - $memRealPeak) >> 10, 0), $resultsLength, '.', STR_PAD_LEFT) . ' kb ' . $nl; echo str_pad('Time', $labelLength, '.', STR_PAD_RIGHT); echo str_pad(number_format($timeNew - $time - $timeDiff, 5), $resultsLength, '.', STR_PAD_LEFT); echo ' sec' . $nl . '</code>' . $nl . $nl; if (PHP_SAPI === 'CLI') { $content = ob_end_clean(); echo preg_replace('/<.*?>/', '', $content); } } } class Log { private $has = []; // TODO: Can be replaced with a bitmask. private $events = []; public function __construct() { } /* (non-PHPdoc) * @see \Solver\Logging\Log::log() */ public function log(array $event) { $type = $event['type']; if (!isset($this->has[$type])) $this->has[$type] = true; $this->events[] = $event; } /* (non-PHPdoc) * @see \Solver\Logging\MemoryLog::getEvents() */ public function getEvents($types = null) { if ($types === null || !$this->events) { return $this->events; } else { $types = array_flip($types); // Special optimized case: the given $types mask matches or is a superset of the event types we have. $optimized = true; foreach ($this->has as $key => $val) if (!isset($types[$key])) { $optimized = false; break; } if ($optimized) { return $this->events; } else { $events = []; foreach ($this->events as $event) if (isset($types[$event['type']])) $events[] = $event; return $events; } } } /* (non-PHPdoc) * @see \Solver\Logging\MemoryLog::hasEvents() */ public function hasEvents($types = null) { if ($types === null) { return (bool) $this->has; } else { foreach ($types as $type) if (isset($this->has[$type])) return true; return false; } } /* (non-PHPdoc) * @see \Solver\Logging\ErrorMemoryLog::getErrors() */ public function getErrors() { return $this->getEvents(['error']); } /* (non-PHPdoc) * @see \Solver\Logging\ErrorMemoryLog::hasErrors() */ public function hasErrors() { $o = $this->hasEvents(['error']); $this->events = []; $this->has = []; return $o; } /* (non-PHPdoc) * @see \Solver\Logging\ErrorLog::error() */ public function error($path = null, $message = null, $code = null, array $details = null) { $event = ['type' => 'error']; if (isset($path)) $event['path'] = $path; if (isset($message)) $event['message'] = $message; if (isset($code)) $event['code'] = $code; if (isset($details)) $event['details'] = $details; $this->log($event); } } $log = new Log(); $be = new Bench(true); $be2 = new Bench(); $error = new stdClass(); $a = 0; $b = 0; $be->add('Sentinel', function () use ($error, & $a, & $b) { $x = function ($error) { return mt_rand(0, 1) ? 123 : $error; }; $result = $x($error); if ($result === $error) { $a ++; } else { $b ++; } }); $be->add('Tuple', function () use (& $a, & $b) { $x = function () { return mt_rand(0, 1) ? [true, 123] : [false, null]; }; list($error, $result) = $x(); if ($error) { $a ++; } else { $b ++; } }); $be->add('Exception', function () use (& $a, & $b) { $x = function () { if (mt_rand(0, 1)) throw new \Exception(); return 123; }; try { $result = $x(); $a ++; } catch (\Exception $e) { $b ++; } }); $be->add('Log', function () use ($log, & $a, & $b) { $x = function ($log) { if (mt_rand(0, 1)) { $log->error(); return null; } else { return 123; } }; $result = $x($log); if ($log->hasErrors()) { $a ++; } else { $b ++; } }); if (PHP_VERSION === '7.0.0RC4') $be->run(200000); var_dump($a); var_dump($b);

Version	System time (s)	User time (s)	Memory (MiB)
7.2.12	0.009	0.000	16.64
7.2.11	0.011	0.003	16.59
7.2.10	0.009	0.000	16.64
7.2.9	0.007	0.007	16.64
7.2.8	0.003	0.010	16.61
7.2.7	0.000	0.011	16.88
7.2.6	0.000	0.013	17.01
7.2.5	0.006	0.009	17.00
7.2.4	0.009	0.006	16.66
7.2.3	0.007	0.007	16.95
7.2.2	0.000	0.015	16.91
7.2.1	0.009	0.006	16.89
7.2.0	0.008	0.005	18.12
7.1.24	0.010	0.003	15.62
7.1.23	0.006	0.003	15.89
7.1.22	0.003	0.009	15.78
7.1.21	0.003	0.006	15.55
7.1.20	0.009	0.000	15.84
7.1.19	0.000	0.010	15.45
7.1.18	0.000	0.014	15.88
7.1.17	0.007	0.010	15.95
7.1.16	0.009	0.006	15.62
7.1.15	0.003	0.013	15.76
7.1.14	0.003	0.013	15.88
7.1.13	0.003	0.008	15.79
7.1.12	0.004	0.004	15.79
7.1.11	0.011	0.004	16.00
7.1.10	0.006	0.009	17.07
7.1.9	0.006	0.006	15.73
7.1.8	0.003	0.010	15.84
7.1.7	0.006	0.005	16.68
7.1.6	0.005	0.007	16.50
7.1.5	0.008	0.009	24.97
7.1.4	0.000	0.015	15.82
7.1.3	0.007	0.007	15.77
7.1.2	0.000	0.014	15.50
7.1.1	0.013	0.000	15.48
7.1.0	0.006	0.040	19.18
7.0.32	0.007	0.007	15.44
7.0.31	0.006	0.003	15.46
7.0.30	0.000	0.012	15.46
7.0.29	0.008	0.004	15.36
7.0.28	0.009	0.003	15.45
7.0.27	0.006	0.006	15.48
7.0.26	0.003	0.013	15.63
7.0.25	0.000	0.009	15.46
7.0.24	0.009	0.000	15.48
7.0.23	0.000	0.013	15.55
7.0.22	0.003	0.010	15.43
7.0.21	0.006	0.009	15.53
7.0.20	0.008	0.008	16.10
7.0.19	0.004	0.004	15.52
7.0.18	0.004	0.008	15.49
7.0.17	0.007	0.000	15.35
7.0.16	0.000	0.014	15.43
7.0.15	0.012	0.000	15.50
7.0.14	0.015	0.000	15.43
7.0.13	0.012	0.003	15.27
7.0.12	0.007	0.007	15.45
7.0.11	0.006	0.009	15.58
7.0.10	0.004	0.046	17.69
7.0.9	0.018	0.045	17.77
7.0.8	0.010	0.040	17.76
7.0.7	0.016	0.036	17.80
7.0.6	0.008	0.045	17.88
7.0.5	0.002	0.048	17.93
7.0.4	0.011	0.040	16.88
7.0.3	0.012	0.037	16.82
7.0.2	0.007	0.039	16.84
7.0.1	0.008	0.039	16.76
7.0.0	0.002	0.034	16.71
5.6.38	0.006	0.006	14.39
5.6.37	0.010	0.003	14.87
5.6.36	0.000	0.014	14.50
5.6.35	0.007	0.007	14.66
5.6.34	0.004	0.011	14.91
5.6.33	0.007	0.003	14.66
5.6.32	0.003	0.010	14.16
5.6.31	0.006	0.009	14.89
5.6.30	0.000	0.015	14.69
5.6.29	0.004	0.008	14.79
5.6.28	0.009	0.003	14.30
5.6.27	0.007	0.007	14.48
5.6.26	0.004	0.007	14.42
5.6.25	0.009	0.044	17.65
5.6.24	0.005	0.046	17.77
5.6.23	0.005	0.036	17.69
5.6.22	0.003	0.038	17.66
5.6.21	0.007	0.042	17.76
5.6.20	0.013	0.035	17.80
5.6.19	0.007	0.040	17.85
5.6.18	0.003	0.046	17.78
5.6.17	0.005	0.030	17.67
5.6.16	0.005	0.046	17.78
5.6.15	0.005	0.027	17.92
5.6.14	0.007	0.037	17.75
5.6.13	0.007	0.043	17.93
5.6.12	0.003	0.047	17.84
5.6.11	0.009	0.044	17.86
5.6.10	0.007	0.043	17.81
5.6.9	0.009	0.027	17.74
5.6.8	0.005	0.039	17.46
5.6.7	0.007	0.033	17.40
5.6.6	0.002	0.045	17.56
5.6.5	0.005	0.042	17.44
5.6.4	0.006	0.030	17.32
5.6.3	0.005	0.046	17.52
5.6.2	0.003	0.035	17.51
5.6.1	0.009	0.039	17.38
5.6.0	0.005	0.028	17.55
5.5.38	0.002	0.035	15.98
5.5.37	0.000	0.048	15.96
5.5.36	0.008	0.036	15.80
5.5.35	0.002	0.044	15.90
5.5.34	0.005	0.040	16.19
5.5.33	0.008	0.042	16.06
5.5.32	0.008	0.045	16.03
5.5.31	0.010	0.037	16.21
5.5.30	0.008	0.038	15.98
5.5.29	0.005	0.045	15.99
5.5.28	0.009	0.041	16.01
5.5.27	0.004	0.032	16.14
5.5.26	0.003	0.045	16.07
5.5.25	0.005	0.045	16.08
5.5.24	0.006	0.033	15.85
5.5.23	0.006	0.030	15.78
5.5.22	0.005	0.040	15.86
5.5.21	0.007	0.041	15.84
5.5.20	0.014	0.036	15.76
5.5.19	0.003	0.040	15.85
5.5.18	0.005	0.037	15.84
5.5.17	0.008	0.004	14.46
5.5.16	0.008	0.040	15.85
5.5.15	0.006	0.038	15.86
5.5.14	0.003	0.045	15.67
5.5.13	0.005	0.040	15.69
5.5.12	0.005	0.034	15.69
5.5.11	0.009	0.039	15.77
5.5.10	0.008	0.042	15.71
5.5.9	0.008	0.040	15.72
5.5.8	0.008	0.032	15.70
5.5.7	0.013	0.034	15.72
5.5.6	0.008	0.040	15.60
5.5.5	0.008	0.042	15.65
5.5.4	0.003	0.038	15.63
5.5.3	0.006	0.038	15.80
5.5.2	0.010	0.041	15.74
5.5.1	0.005	0.044	15.68
5.5.0	0.006	0.040	15.74
5.4.45	0.009	0.043	15.31
5.4.44	0.009	0.038	15.31
5.4.43	0.003	0.046	15.22
5.4.42	0.005	0.044	15.27
5.4.41	0.013	0.033	15.11
5.4.40	0.008	0.038	15.13
5.4.39	0.006	0.023	15.06
5.4.38	0.008	0.035	15.13
5.4.37	0.007	0.040	15.08
5.4.36	0.007	0.040	14.98
5.4.35	0.008	0.035	15.01
5.4.34	0.000	0.045	15.11
5.4.33	0.000	0.012	11.07
5.4.32	0.009	0.040	15.14
5.4.31	0.005	0.040	15.09
5.4.30	0.005	0.040	15.06
5.4.29	0.006	0.039	15.06
5.4.28	0.005	0.042	15.06
5.4.27	0.002	0.030	15.14
5.4.26	0.003	0.044	15.12
5.4.25	0.008	0.022	15.05
5.4.24	0.007	0.041	15.16
5.4.23	0.003	0.030	15.12
5.4.22	0.003	0.035	14.96
5.4.21	0.011	0.030	14.98
5.4.20	0.008	0.022	15.06
5.4.19	0.007	0.040	15.13
5.4.18	0.005	0.040	14.97
5.4.17	0.003	0.042	15.09
5.4.16	0.003	0.022	15.09
5.4.15	0.002	0.029	15.04
5.4.14	0.011	0.035	13.79
5.4.13	0.003	0.040	13.69
5.4.12	0.011	0.020	13.79
5.4.11	0.003	0.037	13.70
5.4.10	0.002	0.043	13.70
5.4.9	0.001	0.036	13.75
5.4.8	0.003	0.041	13.81
5.4.7	0.005	0.035	13.80
5.4.6	0.005	0.032	13.74
5.4.5	0.005	0.039	13.72
5.4.4	0.008	0.020	13.81
5.4.3	0.005	0.020	13.74
5.4.2	0.005	0.039	13.69
5.4.1	0.011	0.035	13.74
5.4.0	0.004	0.020	13.47