The Computer Language
Benchmarks Game

Haskell GHC versus C++ g++ fastest programs

Always look at the source code.

These are only the fastest programs. Look at the other programs. They may seem more-like a fair comparison to you.

fasta
source secs mem gz busy cpu load
Haskell GHC 1.40 7,992 1882 4.15 75% 74% 75% 74%
C++ g++ 1.46 2,180 2711 4.39 75% 75% 75% 75%
regex-redux
source secs mem gz busy cpu load
Haskell GHC 1.78 307,992 2213 4.35 79% 50% 50% 65%
C++ g++ 1.85 203,748 1315 4.44 48% 100% 43% 48%
reverse-complement
source secs mem gz busy cpu load
Haskell GHC 6.42 501,528 1020 9.38 14% 100% 16% 16%
C++ g++ 4.72 500,116 840 4.76 100% 0% 0% 0%
fannkuch-redux
source secs mem gz busy cpu load
Haskell GHC 18.37 4,352 842 72.54 96% 100% 100% 100%
C++ g++ 10.70 1,864 980 42.31 96% 100% 100% 100%
spectral-norm
source secs mem gz busy cpu load
Haskell GHC 4.10 4,012 987 15.83 97% 97% 99% 95%
C++ g++ 1.98 2,320 1044 7.90 99% 100% 99% 100%
pidigits
source secs mem gz busy cpu load
Haskell GHC 4.22 9,964 585 5.27 8% 100% 9% 9%
C++ g++ 1.89 4,460 513 1.95 2% 0% 100% 1%
n-body
source secs mem gz busy cpu load
Haskell GHC 21.87 4,364 1883 86.49 99% 100% 99% 98%
C++ g++ 7.70 1,772 1879 8.02 4% 0% 0% 100%
mandelbrot
source secs mem gz busy cpu load
Haskell GHC 4.87 36,328 1975 19.39 99% 100% 100% 99%
C++ g++ 1.51 25,708 1791 6.01 99% 99% 99% 100%
binary-trees
source secs mem gz busy cpu load
Haskell GHC 12.96 476,448 592 47.98 92% 92% 93% 94%
C++ g++ 3.93 113,768 809 12.78 70% 81% 75% 98%
k-nucleotide
source secs mem gz busy cpu load
Haskell GHC 35.91 637,624 1486 125.59 86% 86% 86% 91%
C++ g++ 3.89 156,148 1631 11.99 94% 74% 70% 71%
Haskell GHC

The Glorious Glasgow Haskell Compilation System,
version 8.8.1

C++ g++

g++ (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008