3v4l.org

run code in 300+ PHP versions simultaneously
<?php function similarity($w1,$w2) { //return cosine similarity of w1 and w2 using formula in the //definition here: http://en.wikipedia.org/wiki/Cosine_similarity //get numerator: $numerator = 0; for($i = 0, $l = count($w1); $i < $l; $i++) $numerator += $w1[$i]*$w2[$i]; //get abs(w1) and abs(w2) $abs_w1 = 0; $abs_w2 = 0; for($i = 0, $l = count($w1); $i < $l; $i++) { $abs_w1 += $w1[$i]*$w1[$i]; $abs_w2 += $w2[$i]*$w2[$i]; } $abs_w1 = sqrt($abs_w1); $abs_w2 = sqrt($abs_w2); //make denominator: $denominator = $abs_w1*$abs_w2; return $numerator/$denominator; } echo similarity([1,99,999 ,4,5,6,7,8,9],[1,2,3,4,5,6,7,8,88]);

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)
8.3.40.0110.00418.80
8.3.30.0000.01419.21
8.3.20.0040.00420.34
8.3.10.0040.00423.52
8.3.00.0080.00019.28
8.2.170.0100.00622.96
8.2.160.0140.00320.44
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0060.00626.16
8.2.120.0050.00319.89
8.2.110.0090.00022.26
8.2.100.0100.00320.48
8.2.90.0000.00719.36
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0090.00017.93
8.2.50.0050.00318.07
8.2.40.0040.00419.95
8.2.30.0040.00419.78
8.2.20.0030.00517.76
8.2.10.0040.00418.18
8.2.00.0040.00417.86
8.1.270.0000.00923.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0040.00719.14
8.1.220.0030.00617.77
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0000.00817.13
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0000.00822.02
8.1.150.0000.00718.84
8.1.140.0050.00317.41
8.1.130.0030.00317.76
8.1.120.0070.00017.37
8.1.110.0000.00817.43
8.1.100.0040.00417.49
8.1.90.0030.00317.54
8.1.80.0030.00317.42
8.1.70.0030.00317.49
8.1.60.0030.00617.44
8.1.50.0000.00817.55
8.1.40.0000.00817.55
8.1.30.0000.00817.69
8.1.20.0040.00417.71
8.1.10.0040.00417.49
8.1.00.0040.00417.36
8.0.300.0000.00718.77
8.0.290.0030.00616.63
8.0.280.0000.00718.46
8.0.270.0000.00717.18
8.0.260.0030.00317.20
8.0.250.0030.00316.94
8.0.240.0060.00016.98
8.0.230.0000.00716.82
8.0.220.0000.00716.96
8.0.210.0030.00316.82
8.0.200.0000.00716.97
8.0.190.0000.00916.90
8.0.180.0030.00616.91
8.0.170.0000.00716.82
8.0.160.0000.00816.92
8.0.150.0080.00016.84
8.0.140.0080.00016.78
8.0.130.0030.00313.30
8.0.120.0000.00816.95
8.0.110.0030.00516.86
8.0.100.0000.00716.77
8.0.90.0040.00416.76
8.0.80.0160.00716.82
8.0.70.0040.00416.69
8.0.60.0050.00316.97
8.0.50.0000.00716.89
8.0.30.0110.01017.18
8.0.20.0090.00917.40
8.0.10.0000.00816.98
8.0.00.0090.00816.72
7.4.330.0050.00015.02
7.4.320.0030.00316.55
7.4.300.0000.00716.62
7.4.290.0080.00016.55
7.4.280.0000.00716.54
7.4.270.0000.00716.56
7.4.260.0000.00816.59
7.4.250.0040.00416.58
7.4.240.0000.00716.50
7.4.230.0000.00716.61
7.4.220.0070.01116.55
7.4.210.0070.00716.54
7.4.200.0000.00716.73
7.4.160.0090.00616.44
7.4.150.0150.00917.40
7.4.140.0090.01117.86
7.4.130.0100.00716.54
7.4.120.0110.00616.46
7.4.110.0130.00316.45
7.4.100.0140.00516.55
7.4.90.0100.00916.42
7.4.80.0110.01119.39
7.4.70.0080.01016.50
7.4.60.0100.00716.57
7.4.50.0050.00316.46
7.4.40.0130.00916.40
7.4.30.0060.00916.69
7.4.00.0030.01314.97
7.3.330.0050.00213.25
7.3.320.0020.00213.28
7.3.310.0060.00016.29
7.3.300.0000.00716.40
7.3.290.0130.00616.41
7.3.280.0090.00816.40
7.3.270.0130.00317.40
7.3.260.0070.01616.41
7.3.250.0080.00816.45
7.3.240.0030.01416.62
7.3.230.0080.00816.39
7.3.210.0160.00016.46
7.3.200.0120.00619.39
7.3.190.0060.00916.44
7.3.180.0060.00916.63
7.3.170.0120.00416.57
7.3.160.0120.00316.60
7.2.330.0030.01316.88
7.2.320.0030.01316.80
7.2.310.0060.01216.68
7.2.300.0060.01116.73
7.2.290.0130.00316.51
7.2.00.0000.01119.45
7.1.100.0030.00918.14
7.1.70.0040.00417.25
7.1.60.0040.02119.40
7.1.50.0030.02016.92
7.1.00.0100.07022.52
7.0.200.0000.00816.52
7.0.140.0030.07021.95
7.0.60.0130.07720.05
7.0.50.0070.07017.90
7.0.40.0130.08320.09
7.0.30.0270.06020.26
7.0.20.0270.07020.06
7.0.10.0070.08320.30
7.0.00.0100.08320.16
5.6.280.0100.06721.11
5.6.210.0100.04020.65
5.6.200.0000.08718.29
5.6.190.0030.08720.46
5.6.180.0230.03720.46
5.6.170.0270.05320.46
5.6.160.0170.06020.46
5.6.150.0170.07318.17
5.6.140.0130.04018.15
5.6.130.0030.05018.11
5.6.120.0030.08021.02
5.6.110.0030.08721.04
5.6.100.0030.07721.14
5.6.90.0030.06721.13
5.6.80.0030.04020.39
5.5.350.0300.07320.44
5.5.340.0200.06717.99
5.5.330.0030.04720.40
5.5.320.0270.05320.38
5.5.310.0170.05720.27
5.5.300.0030.08717.94
5.5.290.0100.08018.01
5.5.280.0000.08020.77
5.5.270.0070.09020.86
5.5.260.0200.07020.87
5.5.250.0070.05720.48
5.5.240.0030.08020.18
5.4.450.0730.06019.70
5.4.440.0070.05719.54
5.4.430.0630.05319.64
5.4.420.0770.05719.55
5.4.410.0230.05718.97
5.4.400.0170.06718.76
5.4.390.0400.04318.53
5.4.380.0130.04718.76
5.4.370.0030.05018.72
5.4.360.0230.03718.68
5.4.350.0160.07312.02
5.4.340.0100.03512.02
5.4.320.0080.03912.50
5.4.310.0040.04012.50
5.4.300.0070.03712.50
5.4.290.0070.05012.50
5.4.280.0020.03912.40
5.4.270.0060.03612.40
5.4.260.0070.03612.40
5.4.250.0050.03812.40
5.4.240.0030.03812.40
5.4.230.0060.03712.39
5.4.220.0050.03612.39
5.4.210.0050.03612.39
5.4.200.0040.03912.39
5.4.190.0050.03712.39
5.4.180.0070.03412.38
5.4.170.0070.03412.40
5.4.160.0080.03312.39
5.4.150.0060.03512.39
5.4.140.0070.03512.07
5.4.130.0090.03212.05
5.4.120.0050.03612.01
5.4.110.0070.03412.02
5.4.100.0060.03412.01
5.4.90.0030.03912.01
5.4.80.0080.03612.01
5.4.70.0070.03312.01
5.4.60.0060.03612.01
5.4.50.0040.03812.00
5.4.40.0080.03212.00
5.4.30.0050.03711.99
5.4.20.0050.03612.00
5.4.10.0050.03511.99
5.4.00.0050.03611.48
5.3.290.0090.03712.80
5.3.280.0070.03812.71
5.3.270.0080.03712.72
5.3.260.0080.03712.72
5.3.250.0040.03812.72
5.3.240.0090.03312.71
5.3.230.0100.03312.71
5.3.220.0030.03912.68
5.3.210.0040.04112.68
5.3.200.0070.03412.68
5.3.190.0060.03712.68
5.3.180.0100.03212.68
5.3.170.0060.03812.67
5.3.160.0080.03612.68
5.3.150.0060.04412.67
5.3.140.0110.03812.66
5.3.130.0060.03912.66
5.3.120.0020.04312.66
5.3.110.0070.03712.66
5.3.100.0040.03912.13
5.3.90.0090.04212.11
5.3.80.0070.03612.09
5.3.70.0050.03812.09
5.3.60.0070.03512.08
5.3.50.0040.03812.02
5.3.40.0070.04012.03
5.3.30.0080.03311.99
5.3.20.0070.03411.77
5.3.10.0030.03711.73
5.3.00.0030.03911.71
5.2.170.0070.0309.22
5.2.160.0040.0319.22
5.2.150.0060.0309.22
5.2.140.0040.0309.21
5.2.130.0040.0299.18
5.2.120.0070.0399.18
5.2.110.0060.0319.18
5.2.100.0040.0359.18
5.2.90.0020.0329.18
5.2.80.0080.0279.18
5.2.70.0060.0449.18
5.2.60.0080.0299.13
5.2.50.0060.0309.09
5.2.40.0040.0299.07
5.2.30.0040.0309.05
5.2.20.0030.0319.04
5.2.10.0040.0288.95
5.2.00.0090.0318.81
5.1.60.0060.0238.09
5.1.50.0030.0268.09
5.1.40.0030.0268.07
5.1.30.0040.0268.42
5.1.20.0060.0248.44
5.1.10.0050.0258.16
5.1.00.0080.0258.16
5.0.50.0060.0216.65
5.0.40.0030.0206.52
5.0.30.0030.0326.32
5.0.20.0040.0186.29
5.0.10.0020.0216.28
5.0.00.0040.0316.27
4.4.90.0010.0224.78
4.4.80.0040.0144.75
4.4.70.0040.0144.75
4.4.60.0040.0144.76
4.4.50.0030.0164.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0010.0174.85
4.4.10.0020.0174.85
4.4.00.0040.0244.76
4.3.110.0040.0154.67
4.3.100.0040.0144.67
4.3.90.0010.0164.64
4.3.80.0050.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0284.54
4.3.30.0010.0173.32
4.3.20.0040.0173.30
4.3.10.0040.0143.25
4.3.00.0130.0237.13

preferences:
40.07 ms | 400 KiB | 5 Q