PHP programs versus Python 3 by benchmark task performance regex-redux source secs mem gz cpu cpu load PHP 2.63 270,048 816 2.46 38% 39% 85% 38% Python 3 15.22 447,324 512 27.44 25% 33% 32% 91% spectral-norm source secs mem gz cpu cpu load PHP 37.09 20,208 1152 147.78 100% 100% 100% 100% Python 3 180.97 15,876 443 720.51 100% 100% 100% 100% fannkuch-redux source secs mem gz cpu cpu load PHP 233.57 34,748 1160 929.49 100% 99% 100% 99% Python 3 565.97 15,528 950 2,172.63 95% 94% 95% 100% n-body source secs mem gz cpu cpu load PHP 353.84 9,220 1082 353.77 0% 100% 1% 0% Python 3 838.39 10,324 1196 838.20 95% 1% 5% 0% mandelbrot source secs mem gz cpu cpu load PHP 118.07 137,452 875 471.57 100% 100% 100% 100% Python 3 225.24 15,736 688 899.25 100% 100% 100% 100% k-nucleotide source secs mem gz cpu cpu load PHP 41.39 242,044 1079 133.27 83% 76% 73% 91% Python 3 77.65 182,700 1967 302.86 97% 99% 97% 98% pidigits source secs mem gz cpu cpu load PHP 2.12 10,664 399 2.11 100% 0% 1% 1% Python 3 3.43 12,716 386 3.43 100% 1% 1% 0% reverse-complement source secs mem gz cpu cpu load PHP 12.08 516,904 438 7.57 3% 59% 29% 59% Python 3 18.79 1,008,868 814 19.73 9% 69% 35% 30% binary-trees source secs mem gz cpu cpu load PHP 65.20 736,468 868 235.57 93% 94% 92% 98% Python 3 93.55 280,624 589 337.74 92% 89% 87% 93% fasta source secs mem gz cpu cpu load PHP 59.12 9,412 1062 59.11 40% 0% 1% 60% Python 3 59.47 15,996 1947 138.97 55% 55% 63% 66% PHP PHP 7.2.0 (cli) (built: Nov 30 2017 10:13:12) ( NTS ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.2.0, Copyright (c) 1998-2017 Zend Technologies Python 3 Python 3.6.3 vs Hack vs Python vs Ruby