OCaml programs versus Java by benchmark task performance fannkuch-redux source secs mem gz cpu cpu load OCaml 16.12 ? 1017 ? 100% 100% 100% 100% Java 18.27 31,820 1282 72.06 99% 99% 98% 98% n-body source secs mem gz cpu cpu load OCaml 21.67 1,588 1251 21.67 61% 1% 0% 39% Java 22.17 33,040 1489 22.27 100% 1% 0% 1% spectral-norm source secs mem gz cpu cpu load OCaml 4.31 5,280 914 15.97 92% 94% 93% 92% Java 4.38 35,388 950 16.80 96% 96% 95% 97% reverse-complement source secs mem gz cpu cpu load OCaml 3.73 ? 1368 ? 56% 62% 55% 58% Java 3.15 680,424 2183 7.07 52% 70% 43% 63% binary-trees source secs mem gz cpu cpu load OCaml 10.03 115,968 751 30.17 89% 89% 82% 44% Java 8.39 933,808 835 28.28 82% 86% 84% 88% regex-redux source secs mem gz cpu cpu load OCaml 24.66 968,800 637 24.64 1% 1% 0% 100% Java 10.51 573,972 929 31.30 70% 73% 70% 86% k-nucleotide source secs mem gz cpu cpu load OCaml 21.63 255,436 1833 57.55 47% 39% 94% 89% Java 8.75 385,056 1812 27.09 85% 72% 70% 85% fasta source secs mem gz cpu cpu load OCaml 6.00 199,732 1189 5.99 0% 2% 100% 0% Java 2.27 43,628 2473 5.93 51% 75% 57% 81% mandelbrot source secs mem gz cpu cpu load OCaml 55.18 2,900 444 55.17 0% 1% 0% 100% Java 6.10 76,520 796 23.59 97% 98% 98% 96% pidigits source secs mem gz cpu cpu load OCaml Make Error Java 0.28 1,028 938 0.36 43% 11% 19% 66% OCaml The OCaml native-code compiler, version 4.06.0 Java java 10 2018-03-20 Java(TM) SE Runtime Environment 18.3 (build 10+46) Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode) vs C++ vs F# .NET Core vs Haskell vs Java