Perl programs versus Python 3 by benchmark task performance spectral-norm source secs mem gz cpu cpu load Perl 41.83 10,980 555 165.14 99% 99% 99% 98% Python 3 180.97 15,876 443 720.51 100% 100% 100% 100% reverse-complement source secs mem gz cpu cpu load Perl 10.61 1,493,876 287 10.59 0% 1% 100% 0% Python 3 18.79 1,008,868 814 19.73 9% 69% 35% 30% k-nucleotide source secs mem gz cpu cpu load Perl 64.22 1,068,544 476 215.42 78% 78% 83% 97% Python 3 77.65 182,700 1967 302.86 97% 99% 97% 98% n-body source secs mem gz cpu cpu load Perl 710.66 5,244 1429 710.51 0% 1% 0% 100% Python 3 838.39 10,324 1196 838.20 95% 1% 5% 0% regex-redux source secs mem gz cpu cpu load Perl 14.66 155,708 820 43.59 63% 86% 53% 96% Python 3 15.22 447,324 512 27.44 25% 33% 32% 91% fannkuch-redux source secs mem gz cpu cpu load Perl 570.21 11,260 570 2,198.55 96% 99% 95% 97% Python 3 565.97 15,528 950 2,172.63 95% 94% 95% 100% pidigits source secs mem gz cpu cpu load Perl 3.50 7,348 261 3.50 100% 1% 1% 1% Python 3 3.43 12,716 386 3.43 100% 1% 1% 0% fasta source secs mem gz cpu cpu load Perl 99.64 54,044 871 99.61 0% 1% 0% 100% Python 3 59.47 15,996 1947 138.97 55% 55% 63% 66% binary-trees source secs mem gz cpu cpu load Perl 183.13 2,199,432 648 609.32 83% 93% 77% 81% Python 3 93.55 280,624 589 337.74 92% 89% 87% 93% mandelbrot source secs mem gz cpu cpu load Perl 729.09 42,964 586 2,912.27 100% 100% 100% 100% Python 3 225.24 15,736 688 899.25 100% 100% 100% 100% Perl This is perl 5, version 26, subversion 0 (v5.26.0) built for x86_64-linux-gnu-thread-multi Python 3 Python 3.6.3 vs PHP vs Python vs Ruby