The Computer Language
Benchmarks Game

Rust versus C gcc fastest programs

by faster benchmark performance

n-body
source secs mem gz cpu cpu load
Rust 5.82 916 1753 5.82 2% 3% 100% 1%
C gcc 9.37 1,088 1490 9.37 100% 0% 1% 0%
reverse-complement
source secs mem gz cpu cpu load
Rust 1.62 994,780 1376 2.75 25% 25% 25% 99%
C gcc 1.76 994,488 1438 3.98 97% 43% 44% 46%
pidigits
source secs mem gz cpu cpu load
Rust 1.75 3,036 1366 1.75 100% 1% 1% 0%
C gcc 1.88 2,720 416 1.87 2% 1% 2% 100%
spectral-norm
source secs mem gz cpu cpu load
Rust 1.97 2,204 1126 7.86 99% 99% 100% 100%
C gcc 1.98 1,168 1139 7.87 100% 99% 100% 99%
mandelbrot
source secs mem gz cpu cpu load
Rust 1.74 32,472 1332 6.86 100% 98% 98% 98%
C gcc 1.64 26,512 1135 6.54 99% 100% 99% 100%
fasta
source secs mem gz cpu cpu load
Rust 1.46 2,008 1906 4.56 77% 78% 78% 83%
C gcc 1.36 2,864 2268 5.41 99% 100% 100% 99%
binary-trees
source secs mem gz cpu cpu load
Rust 4.10 199,760 721 14.86 89% 90% 99% 88%
C gcc 3.73 116,600 836 11.74 76% 71% 98% 72%
k-nucleotide
source secs mem gz cpu cpu load
Rust 5.45 135,028 1648 17.24 87% 100% 57% 75%
C gcc 4.88 130,060 1506 16.06 87% 96% 87% 60%
fannkuch-redux
source secs mem gz cpu cpu load
Rust 10.13 916 1020 39.51 100% 100% 92% 100%
C gcc 8.67 852 910 34.14 99% 100% 100% 95%
regex-redux
source secs mem gz cpu cpu load
Rust 2.44 199,876 765 3.87 27% 84% 49% 0%
C gcc 1.46 152,216 1397 3.40 45% 41% 100% 49%
Rust

rustc 1.32.0 (9fda7c223 2019-01-16)
LLVM version 8.0

C gcc

gcc (Ubuntu 8.2.0-7ubuntu1) 8.2.0