Haskell GHC programs versus C++ g++ 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% C++ g++ 10.61 2,044 980 41.90 100% 96% 100% 100% reverse-complement source secs mem gz cpu cpu load Haskell GHC 5.85 501,324 1020 7.82 13% 8% 100% 13% C++ g++ 3.08 980,604 2280 4.66 62% 25% 12% 54% spectral-norm source secs mem gz cpu cpu load Haskell GHC 4.05 3,960 987 15.71 100% 97% 97% 95% C++ g++ 2.02 1,332 1044 7.91 99% 99% 99% 99% n-body source secs mem gz cpu cpu load Haskell GHC 21.91 4,068 1883 21.91 100% 1% 0% 0% C++ g++ 8.23 1,856 1763 8.23 100% 1% 1% 0% k-nucleotide source secs mem gz cpu cpu load Haskell GHC 40.22 523,084 1059 141.80 91% 88% 88% 87% C++ g++ 7.75 165,180 1276 26.02 80% 96% 82% 79% fasta source secs mem gz cpu cpu load Haskell GHC 9.56 5,164 969 10.09 100% 2% 2% 3% C++ g++ 1.35 1,952 2711 4.18 79% 78% 78% 79% mandelbrot source secs mem gz cpu cpu load Haskell GHC 11.66 38,588 782 46.53 100% 100% 100% 100% C++ g++ 1.51 25,704 1791 5.99 99% 100% 100% 100% binary-trees source secs mem gz cpu cpu load Haskell GHC 25.13 711,956 494 52.23 91% 37% 36% 45% C++ g++ 2.55 135,568 809 7.99 85% 96% 69% 66% regex-redux source secs mem gz cpu cpu load Haskell GHC Make Error C++ g++ 0.02 ? 1315 0.06 100% 50% 67% 100% pidigits source secs mem gz cpu cpu load Haskell GHC Make Error C++ g++ 0.07 ? 513 0.07 0% 0% 86% 13% Haskell GHC The Glorious Glasgow Haskell Compilation System, version 8.4.1 C++ g++ g++ (Ubuntu 7.2.0-8ubuntu3) 7.2.0 vs C vs C++ vs Java vs OCaml