3v4l.org

run code in 300+ PHP versions simultaneously
<?php function benchmarkMemory(callable $function, $args=null) { declare(ticks=1); $memory = memory_get_usage(); $max = 0; if(!class_exists('classWithNoName')) { class classWithNoName { public static $memory, $max; public function __invoke() { self::$memory = memory_get_usage() - self::$memory; self::$max = self::$memory>self::$max?self::$memory:self::$max; self::$memory = memory_get_usage(); } public function __toString() { return __CLASS__; } } classWithNoName::$memory = memory_get_usage(); classWithNoName::$max = 0; } register_tick_function('classWithNoName'); $result = is_array($args)? call_user_func_array($function, $args): call_user_func_array($function); unregister_tick_function('classWithNoName'); return [ 'memory' => $max ]; } var_dump(benchmarkMemory('str_repeat', ['test',1E4]));//0 var_dump(benchmarkMemory('str_repeat', ['test',1E3]));//0

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.4.00.0060.00915.07
7.3.120.0120.00614.92
7.3.110.0030.01414.69
7.3.100.0100.00314.92
7.3.90.0060.00614.91
7.3.80.0060.00915.04
7.3.70.0000.01014.73
7.3.60.0030.00714.99
7.3.50.0030.00614.61
7.3.40.0030.01014.76
7.3.30.0000.01115.02
7.3.20.0070.00316.65
7.3.10.0060.00616.55
7.3.00.0000.01516.80
7.2.250.0070.01315.25
7.2.240.0030.01915.07
7.2.230.0100.00315.19
7.2.220.0070.01015.21
7.2.210.0060.00914.92
7.2.200.0060.00814.96
7.2.190.0040.00715.30
7.2.180.0060.00815.18
7.2.170.0110.00315.25
7.1.330.0090.00915.70
7.1.320.0030.01215.73
7.1.310.0040.01115.70
7.1.300.0050.00315.66
7.1.290.0050.00515.54
7.1.280.0070.00715.71
7.1.270.0100.00015.94
7.1.260.0100.00315.71
7.1.70.0030.00717.32
7.1.60.0040.02119.17
7.1.50.0110.01416.95
7.1.00.0100.07022.40
7.0.200.0000.00816.81
7.0.140.0070.07022.04
7.0.70.0070.08021.92
7.0.60.0000.05321.72
7.0.50.0030.08322.05
7.0.40.0030.04720.14
7.0.30.0070.07720.13
7.0.20.0000.09020.04
7.0.10.0030.07720.17
7.0.00.0170.07319.99
5.6.280.0030.07321.02
5.6.220.0000.08020.57
5.6.210.0030.08020.46
5.6.200.0030.07721.04
5.6.190.0000.05720.97
5.6.180.0100.08021.07
5.6.170.0170.04721.09
5.6.160.0000.06021.09
5.6.150.0030.08720.96
5.6.140.0030.08720.96
5.6.130.0130.06721.04
5.6.120.0070.06721.02
5.6.110.0030.08321.09
5.6.100.0100.08021.13
5.6.90.0030.08721.04
5.6.80.0070.07320.46
5.6.70.0000.06320.43
5.6.60.0100.07320.44
5.6.50.0030.07720.33
5.6.40.0070.04020.40
5.6.30.0070.04320.33
5.6.20.0130.07320.45
5.6.10.0000.08020.45
5.6.00.0100.07720.45
5.5.360.0030.08320.39
5.5.350.0100.07320.36
5.5.340.0000.05320.93
5.5.330.0070.04020.90
5.5.320.0070.08320.81
5.5.310.0100.07020.87
5.5.300.0070.08320.65
5.5.290.0000.07720.83
5.5.280.0070.08720.83
5.5.270.0000.08020.88
5.5.260.0030.07320.80
5.5.250.0100.07720.42
5.5.240.0030.07720.28
5.5.230.0070.08020.31
5.5.220.0100.06720.29
5.5.210.0130.06020.12
5.5.200.0030.07720.26
5.5.190.0000.05320.28
5.5.180.0100.05720.19
5.5.160.0070.06020.15
5.5.150.0000.06020.15
5.5.140.0030.05720.19
5.5.130.0100.07320.23
5.5.120.0030.08320.11
5.5.110.0070.05320.27
5.5.100.0030.07020.06
5.5.90.0070.03720.16
5.5.80.0030.04320.13
5.5.70.0000.05020.16
5.5.60.0030.07020.16
5.5.50.0000.05320.14
5.5.40.0030.03720.15
5.5.30.0070.03320.08
5.5.20.0030.06320.08
5.5.10.0070.03319.98
5.5.00.0070.03720.12
5.4.450.0030.08019.55
5.4.440.0030.07719.37
5.4.430.0000.06319.34
5.4.420.0100.07719.27
5.4.410.0070.06319.23
5.4.400.0030.05018.91
5.4.390.0030.08319.15
5.4.380.0100.07019.09
5.4.370.0100.03319.16
5.4.360.0030.08319.05
5.4.350.0030.06019.03
5.4.340.0100.07719.09
5.4.320.0000.08719.13
5.4.310.0030.04319.03
5.4.300.0030.07319.20
5.4.290.0130.07018.95
5.4.280.0030.08019.16
5.4.270.0070.07719.02
5.4.260.0000.04319.09
5.4.250.0000.03718.94
5.4.240.0070.04019.18
5.4.230.0000.04718.94
5.4.220.0100.03018.89
5.4.210.0100.04719.13
5.4.200.0070.03319.15
5.4.190.0000.03719.08
5.4.180.0070.03318.93
5.4.170.0000.04019.20
5.4.160.0030.04019.14
5.4.150.0000.06019.12
5.4.140.0000.06716.48
5.4.130.0000.08016.46
5.4.120.0000.04016.34
5.4.110.0030.07716.55
5.4.100.0030.03316.65
5.4.90.0030.03316.54
5.4.80.0070.07316.52
5.4.70.0000.04716.51
5.4.60.0000.05716.46
5.4.50.0030.03316.35
5.4.40.0030.03316.53
5.4.30.0030.03716.53
5.4.20.0030.03316.49
5.4.10.0030.04016.41
5.4.00.0000.04015.96
5.3.290.0030.08314.60
5.3.280.0000.04014.61
5.3.270.0000.06314.65
5.3.260.0030.07314.64
5.3.250.0030.07014.61
5.3.240.0070.07014.71
5.3.230.0030.07314.70
5.3.220.0030.03714.55
5.3.210.0100.04014.57
5.3.200.0070.04314.55
5.3.190.0000.08014.56
5.3.180.0030.04014.59
5.3.170.0070.03314.71
5.3.160.0000.04314.59
5.3.150.0030.03314.57
5.3.140.0000.03714.57
5.3.130.0030.03714.51
5.3.120.0000.04714.67
5.3.110.0070.06714.70
5.3.100.0030.05714.12
5.3.90.0000.03714.16
5.3.80.0100.02714.05
5.3.70.0030.03714.08
5.3.60.0000.03714.07
5.3.50.0000.05313.89
5.3.40.0000.03714.05
5.3.30.0030.03313.85
5.3.20.0030.05713.80
5.3.10.0000.04313.74
5.3.00.0000.03713.64
5.2.170.0000.03711.47
5.2.160.0000.03011.47
5.2.150.0070.02311.47
5.2.140.0000.03011.47
5.2.130.0030.02711.47
5.2.120.0000.05711.47
5.2.110.0000.05311.47
5.2.100.0070.02311.47
5.2.90.0000.03311.47
5.2.80.0000.03011.47
5.2.70.0030.03011.47
5.2.60.0000.03011.47
5.2.50.0030.02711.47
5.2.40.0000.03011.47
5.2.30.0030.02711.47
5.2.20.0070.02311.47
5.2.10.0000.05311.47
5.2.00.0000.03011.47
5.1.60.0000.02311.47
5.1.50.0000.02311.47
5.1.40.0000.02711.47
5.1.30.0000.02711.47
5.1.20.0000.02711.47
5.1.10.0000.02711.47
5.1.00.0000.03011.47
5.0.50.0100.03711.47
5.0.40.0000.05011.47
5.0.30.0030.06311.47
5.0.20.0000.04311.47
5.0.10.0000.04311.47
5.0.00.0000.06311.47
4.4.90.0000.01311.47
4.4.80.0000.01311.47
4.4.70.0000.01311.47
4.4.60.0000.01711.47
4.4.50.0000.01711.47
4.4.40.0030.02311.47
4.4.30.0000.01711.47
4.4.20.0000.01711.47
4.4.10.0070.03311.47
4.4.00.0030.04011.47
4.3.110.0030.02311.47
4.3.100.0030.03311.47
4.3.90.0030.02711.47
4.3.80.0000.05011.47
4.3.70.0030.02711.47
4.3.60.0030.03311.47
4.3.50.0030.03011.47
4.3.40.0030.04311.47
4.3.30.0030.03311.47
4.3.20.0000.04011.47
4.3.10.0070.02711.47
4.3.00.0030.03711.47

preferences:
36.68 ms | 401 KiB | 5 Q