The Computer Language
Benchmarks Game

Go programs versus C++ g++

by benchmark task performance

reverse-complement
source secs mem gz cpu cpu load
Go 0.49 88,056 1278 0.87 27% 43% 28% 81%
C++ g++ 0.60 211,852 2275 0.98 38% 25% 82% 27%
pidigits
source secs mem gz cpu cpu load
Go 2.02 8,588 603 2.02 100% 0% 1% 1%
C++ g++ 1.89 3,868 508 1.89 100% 1% 2% 1%
fasta
source secs mem gz cpu cpu load
Go 1.98 3,044 1344 5.65 75% 82% 47% 85%
C++ g++ 1.48 4,176 2313 5.25 89% 90% 88% 89%
fannkuch-redux
source secs mem gz cpu cpu load
Go 15.81 1,372 900 62.92 100% 100% 99% 99%
C++ g++ 10.35 2,624 980 40.60 99% 99% 100% 95%
regex-redux
source secs mem gz cpu cpu load
Go 29.51 352,804 798 61.51 77% 49% 43% 40%
C++ g++ 17.14 220,088 853 25.22 95% 3% 51% 1%
spectral-norm
source secs mem gz cpu cpu load
Go 3.96 2,148 548 15.71 100% 99% 99% 99%
C++ g++ 1.99 1,880 1044 7.89 100% 99% 99% 99%
k-nucleotide
source secs mem gz cpu cpu load
Go 16.08 149,180 1582 59.44 95% 90% 90% 97%
C++ g++ 7.18 164,052 1252 24.28 83% 83% 93% 83%
n-body
source secs mem gz cpu cpu load
Go 21.52 832 1310 21.52 1% 100% 0% 0%
C++ g++ 9.31 1,052 1544 9.30 1% 1% 1% 100%
mandelbrot
source secs mem gz cpu cpu load
Go 5.64 31,312 894 22.41 99% 100% 99% 99%
C++ g++ 1.73 34,064 1002 6.80 98% 98% 98% 99%
binary-trees
source secs mem gz cpu cpu load
Go 34.77 269,068 654 132.04 95% 97% 95% 95%
C++ g++ 2.36 114,404 809 7.69 86% 71% 87% 85%
Go

go version go1.8.1 linux/amd64

C++ g++

g++ (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406