3v4l.org

run code in 300+ PHP versions simultaneously
<?php function benchmarkMemory(callable $function, $args=null) { declare(ticks=1); global $_memory, $_max; $_memory = memory_get_usage(); $_max = 0; if(!function_exists('functionWithNoName')) { function functionWithNoName() { global $_memory, $_max; $_memory = memory_get_usage() - $_memory; $_max = $_memory>$_max?$_memory:$_max; $_memory = memory_get_usage(); } } register_tick_function('functionWithNoName'); $result = is_array($args)? call_user_func_array($function, $args): call_user_func_array($function); unregister_tick_function('functionWithNoName'); 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)
7.3.120.0110.00714.91
7.3.110.0070.00714.72
7.3.100.0030.00615.16
7.3.90.0000.01514.85
7.3.80.0130.00015.09
7.3.70.0070.00714.93
7.3.60.0060.00914.56
7.3.50.0090.00614.69
7.3.40.0000.01014.64
7.3.30.0030.01314.82
7.3.20.0000.01316.72
7.3.10.0030.01016.86
7.3.00.0110.00416.60
7.2.240.0040.01115.24
7.2.230.0070.00714.96
7.2.220.0040.00815.04
7.2.210.0030.00715.25
7.2.200.0070.01115.08
7.2.190.0060.00815.05
7.2.180.0030.01215.10
7.2.170.0080.00615.02
7.2.160.0070.01014.89
7.2.150.0100.00316.88
7.2.140.0030.01316.78
7.2.130.0000.01016.73
7.2.120.0060.00916.62
7.2.110.0060.00316.84
7.2.100.0000.01316.71
7.2.90.0040.01116.93
7.2.80.0030.01416.92
7.2.70.0030.00716.96
7.2.60.0040.01216.61
7.2.50.0060.01116.84
7.2.40.0090.00316.73
7.2.30.0100.00716.96
7.2.20.0000.01517.07
7.2.10.0060.01216.63
7.2.00.0040.01217.05
7.1.330.0030.01015.89
7.1.320.0000.01715.80
7.1.310.0090.00615.47
7.1.300.0030.01015.66
7.1.290.0100.00715.80
7.1.280.0090.00615.52
7.1.270.0030.01215.82
7.1.260.0030.01315.55
7.1.250.0000.01715.87
7.1.70.0030.00517.25
7.1.60.0130.01019.17
7.1.50.0130.00916.98
7.1.00.0130.06722.37
7.0.200.0030.00616.81
7.0.140.0070.07022.00
7.0.70.0030.07721.73
7.0.60.0030.08321.73
7.0.50.0000.08722.11
7.0.40.0100.05020.13
7.0.30.0130.05020.18
7.0.20.0030.08320.10
7.0.10.0030.08720.04
7.0.00.0100.07720.18
5.6.280.0030.07321.07
5.6.220.0100.07320.62
5.6.210.0070.08020.69
5.6.200.0030.06721.09
5.6.190.0030.08321.02
5.6.180.0000.04721.05
5.6.170.0100.08021.13
5.6.160.0030.06020.96
5.6.150.0070.04021.01
5.6.140.0070.06020.94
5.6.130.0030.07721.01
5.6.120.0030.07321.09
5.6.110.0100.07721.02
5.6.100.0100.08021.04
5.6.90.0070.08320.93
5.6.80.0030.07720.45
5.6.70.0100.07320.47
5.6.60.0030.06020.37
5.6.50.0070.08320.41
5.6.40.0030.07020.44
5.6.30.0170.06320.53
5.6.20.0070.06320.46
5.6.10.0070.07320.40
5.6.00.0030.08020.39
5.5.360.0070.08020.42
5.5.350.0070.07720.34
5.5.340.0030.09020.77
5.5.330.0030.05020.78
5.5.320.0000.08720.89
5.5.310.0070.08320.80
5.5.300.0030.04720.82
5.5.290.0100.08320.93
5.5.280.0000.09020.75
5.5.270.0200.06320.89
5.5.260.0030.07020.88
5.5.250.0030.08020.64
5.5.240.0030.06020.12
5.5.230.0030.08320.27
5.5.220.0030.08320.14
5.5.210.0070.06020.30
5.5.200.0100.07720.23
5.5.190.0130.05319.99
5.5.180.0170.07720.22
5.5.160.0100.07020.20
5.5.150.0030.07720.23
5.5.140.0000.07020.14
5.5.130.0000.08020.16
5.5.120.0100.07020.25
5.5.110.0070.05320.07
5.5.100.0000.08020.02
5.5.90.0030.07720.13
5.5.80.0030.05720.07
5.5.70.0100.07020.15
5.5.60.0100.07019.96
5.5.50.0030.08020.11
5.5.40.0100.05320.06
5.5.30.0000.04719.96
5.5.20.0130.07020.08
5.5.10.0030.04320.04
5.5.00.0100.07020.11
5.4.450.0030.05719.36
5.4.440.0100.07719.42
5.4.430.0070.08019.52
5.4.420.0030.06719.27
5.4.410.0070.07719.32
5.4.400.0030.06719.21
5.4.390.0000.08319.23
5.4.380.0130.06718.88
5.4.370.0030.07319.18
5.4.360.0030.07019.07
5.4.350.0070.07719.10
5.4.340.0030.07318.84
5.4.320.0070.04019.12
5.4.310.0000.07319.03
5.4.300.0000.08019.04
5.4.290.0070.07319.17
5.4.280.0100.05318.96
5.4.270.0030.06718.94
5.4.260.0000.07319.04
5.4.250.0030.08719.04
5.4.240.0070.07719.20
5.4.230.0070.07718.95
5.4.220.0030.05019.04
5.4.210.0030.04018.84
5.4.200.0000.05319.02
5.4.190.0000.05719.16
5.4.180.0030.07719.18
5.4.170.0030.06319.13
5.4.160.0000.05719.03
5.4.150.0070.04718.86
5.4.140.0000.06716.46
5.4.130.0030.03316.45
5.4.120.0030.05016.39
5.4.110.0000.03716.55
5.4.100.0070.06316.54
5.4.90.0030.06016.39
5.4.80.0030.06016.50
5.4.70.0030.07316.51
5.4.60.0100.06716.39
5.4.50.0030.06716.35
5.4.40.0070.05316.55
5.4.30.0070.07016.29
5.4.20.0000.08016.49
5.4.10.0000.07716.49
5.4.00.0030.07015.88
5.3.290.0030.05314.60
5.3.280.0100.06714.61
5.3.270.0070.04714.56
5.3.260.0000.04014.63
5.3.250.0000.03714.67
5.3.240.0000.03714.55
5.3.230.0000.04714.55
5.3.220.0030.05014.54
5.3.210.0000.03714.58
5.3.200.0030.07314.69
5.3.190.0070.06314.63
5.3.180.0030.05314.55
5.3.170.0070.07014.68
5.3.160.0000.07014.69
5.3.150.0000.08014.64
5.3.140.0070.07314.67
5.3.130.0070.06714.48
5.3.120.0030.06714.50
5.3.110.0100.06314.62
5.3.100.0030.07714.05
5.3.90.0030.07314.03
5.3.80.0070.05313.95
5.3.70.0070.07314.04
5.3.60.0030.07313.89
5.3.50.0030.06713.88
5.3.40.0000.07713.88
5.3.30.0000.07014.04
5.3.20.0030.07313.69
5.3.10.0030.07313.56
5.3.00.0070.05713.70
5.2.170.0030.06711.03
5.2.160.0030.06011.15
5.2.150.0030.06311.29
5.2.140.0030.05711.20
5.2.130.0070.05311.11
5.2.120.0030.05311.20
5.2.110.0030.06011.09
5.2.100.0070.06011.22
5.2.90.0000.06011.20
5.2.80.0000.06711.01
5.2.70.0030.05011.01
5.2.60.0070.05710.95
5.2.50.0030.06311.03
5.2.40.0000.06311.06
5.2.30.0100.05711.09
5.2.20.0000.04711.06
5.2.10.0030.03310.89
5.2.00.0070.02310.64
5.1.60.0030.02310.28
5.1.50.0000.03710.28
5.1.40.0000.03010.28
5.1.30.0030.02310.41
5.1.20.0070.05310.29
5.1.10.0030.05310.28
5.1.00.0000.05310.28
5.0.50.0000.03010.28
5.0.40.0000.03310.28
5.0.30.0000.05010.28
5.0.20.0000.02310.28
5.0.10.0070.02710.28
5.0.00.0000.06710.28
4.4.90.0070.03010.28
4.4.80.0070.03010.28
4.4.70.0070.03010.28
4.4.60.0000.03310.28
4.4.50.0000.03710.28
4.4.40.0030.04710.28
4.4.30.0000.02010.28
4.4.20.0030.03010.28
4.4.10.0000.04310.28
4.4.00.0000.02710.28
4.3.110.0000.03710.28
4.3.100.0030.02310.28
4.3.90.0070.02010.28
4.3.80.0000.05010.28
4.3.70.0000.03010.28
4.3.60.0000.03310.28
4.3.50.0000.05010.28
4.3.40.0000.04010.28
4.3.30.0030.03310.28
4.3.20.0000.03710.28
4.3.10.0000.03310.28
4.3.00.0070.03010.28

preferences:
49.04 ms | 400 KiB | 5 Q