Haskell GHC programs versus Java by benchmark task performance fannkuch-redux source secs mem gz cpu cpu load Haskell GHC 15.41 3,280 1113 60.92 99% 98% 100% 100% Java 18.27 31,820 1282 72.06 99% 99% 98% 98% spectral-norm source secs mem gz cpu cpu load Haskell GHC 4.05 3,960 987 15.71 100% 97% 97% 95% Java 4.38 35,388 950 16.80 96% 96% 95% 97% n-body source secs mem gz cpu cpu load Haskell GHC 21.91 4,068 1883 21.91 100% 1% 0% 0% Java 22.17 33,040 1489 22.27 100% 1% 0% 1% reverse-complement source secs mem gz cpu cpu load Haskell GHC 5.85 501,324 1020 7.82 13% 8% 100% 13% Java 3.15 680,424 2183 7.07 52% 70% 43% 63% mandelbrot source secs mem gz cpu cpu load Haskell GHC 11.66 38,588 782 46.53 100% 100% 100% 100% Java 6.10 76,520 796 23.59 97% 98% 98% 96% binary-trees source secs mem gz cpu cpu load Haskell GHC 25.13 711,956 494 52.23 91% 37% 36% 45% Java 8.39 933,808 835 28.28 82% 86% 84% 88% fasta source secs mem gz cpu cpu load Haskell GHC 9.56 5,164 969 10.09 100% 2% 2% 3% Java 2.27 43,628 2473 5.93 51% 75% 57% 81% k-nucleotide source secs mem gz cpu cpu load Haskell GHC 40.22 523,084 1059 141.80 91% 88% 88% 87% Java 8.75 385,056 1812 27.09 85% 72% 70% 85% pidigits source secs mem gz cpu cpu load Haskell GHC Make Error Java 0.28 1,028 938 0.36 43% 11% 19% 66% regex-redux source secs mem gz cpu cpu load Haskell GHC Make Error Java 0.66 45,016 929 2.03 94% 72% 77% 71% Haskell GHC The Glorious Glasgow Haskell Compilation System, version 8.4.1 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 C++ vs Java vs OCaml