OCaml programs versus C++ g++ by benchmark task performance reverse-complement source secs mem gz cpu cpu load OCaml 3.73 ? 1368 ? 56% 62% 55% 58% C++ g++ 3.08 980,604 2280 4.66 62% 25% 12% 54% fannkuch-redux source secs mem gz cpu cpu load OCaml 16.12 ? 1017 ? 100% 100% 100% 100% C++ g++ 10.61 2,044 980 41.90 100% 96% 100% 100% spectral-norm source secs mem gz cpu cpu load OCaml 4.31 5,280 914 15.97 92% 94% 93% 92% C++ g++ 2.02 1,332 1044 7.91 99% 99% 99% 99% n-body source secs mem gz cpu cpu load OCaml 21.67 1,588 1251 21.67 61% 1% 0% 39% C++ g++ 8.23 1,856 1763 8.23 100% 1% 1% 0% k-nucleotide source secs mem gz cpu cpu load OCaml 21.63 255,436 1833 57.55 47% 39% 94% 89% C++ g++ 7.75 165,180 1276 26.02 80% 96% 82% 79% binary-trees source secs mem gz cpu cpu load OCaml 10.03 115,968 751 30.17 89% 89% 82% 44% C++ g++ 2.55 135,568 809 7.99 85% 96% 69% 66% fasta source secs mem gz cpu cpu load OCaml 6.00 199,732 1189 5.99 0% 2% 100% 0% C++ g++ 1.35 1,952 2711 4.18 79% 78% 78% 79% regex-redux source secs mem gz cpu cpu load OCaml 24.66 968,800 637 24.64 1% 1% 0% 100% C++ g++ 1.61 203,572 1315 4.18 100% 52% 57% 54% mandelbrot source secs mem gz cpu cpu load OCaml 55.18 2,900 444 55.17 0% 1% 0% 100% C++ g++ 1.51 25,704 1791 5.99 99% 100% 100% 100% pidigits source secs mem gz cpu cpu load OCaml Make Error C++ g++ 0.07 ? 513 0.07 0% 0% 86% 13% OCaml The OCaml native-code compiler, version 4.06.0 C++ g++ g++ (Ubuntu 7.2.0-8ubuntu3) 7.2.0 vs C++ vs F# .NET Core vs Haskell vs Java