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 all other Rust programs & measurements