Node.js programs versus Ruby by benchmark task performance mandelbrot source secs mem gz cpu cpu load Node.js 17.72 613,608 748 63.70 85% 94% 99% 83% Ruby 520.83 127,152 925 2,081.07 100% 100% 100% 100% n-body source secs mem gz cpu cpu load Node.js 26.61 33,152 1297 26.61 100% 0% 0% 1% Ruby 641.41 8,848 1137 641.26 8% 93% 0% 0% fasta source secs mem gz cpu cpu load Node.js 9.80 34,804 1785 9.82 100% 1% 0% 0% Ruby 99.67 106,544 1002 99.65 0% 0% 100% 0% spectral-norm source secs mem gz cpu cpu load Node.js 15.79 31,900 381 15.79 100% 1% 0% 0% Ruby 119.33 49,312 835 461.61 97% 97% 97% 97% fannkuch-redux source secs mem gz cpu cpu load Node.js 89.63 30,960 473 89.61 0% 100% 0% 1% Ruby 671.17 30,416 1432 2,613.66 98% 100% 100% 92% regex-redux source secs mem gz cpu cpu load Node.js 4.22 596,420 432 4.24 100% 0% 0% 1% Ruby 25.64 311,964 431 25.63 6% 4% 60% 31% reverse-complement source secs mem gz cpu cpu load Node.js 16.66 706,256 1103 17.71 71% 51% 40% 48% Ruby 32.71 497,404 264 32.69 100% 1% 1% 0% k-nucleotide source secs mem gz cpu cpu load Node.js 61.24 1,739,992 935 137.09 80% 75% 95% 71% Ruby 95.27 381,212 858 342.07 97% 86% 86% 91% binary-trees source secs mem gz cpu cpu load Node.js 45.39 658,324 440 81.91 37% 39% 59% 46% Ruby 47.66 511,724 1083 137.38 66% 90% 70% 63% pidigits source secs mem gz cpu cpu load Node.js Bad Output Ruby 0.23 704 485 0.21 5% 0% 95% 4% Node.js v9.4.0 Ruby ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-linux] vs C++ vs Java vs Python vs Ruby