Go versus Rust 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. fannkuch-redux source secs mem gz busy cpu load Go 8.28 2,428 969 33.10 100% 100% 100% 100% Rust 7.28 1,168 1016 28.82 100% 97% 100% 100% pidigits source secs mem gz busy cpu load Go 0.86 8,980 683 0.88 2% 0% 0% 100% Rust 0.74 2,888 1420 0.76 0% 0% 100% 3% fasta source secs mem gz busy cpu load Go 1.20 11,364 1404 3.67 80% 75% 73% 77% Rust 0.77 1,848 2529 1.57 99% 1% 4% 100% n-body source secs mem gz busy cpu load Go 6.38 1,800 1200 6.44 0% 0% 0% 100% Rust 3.31 836 1767 3.36 100% 1% 0% 1% spectral-norm source secs mem gz busy cpu load Go 1.43 2,088 548 5.67 99% 99% 99% 99% Rust 0.71 2,696 1055 2.86 100% 100% 100% 100% k-nucleotide source secs mem gz busy cpu load Go 8.29 160,156 1607 32.00 96% 96% 98% 96% Rust 2.76 159,224 1691 10.20 90% 98% 91% 90% reverse-complement source secs mem gz busy cpu load Go 1.43 1,467,392 1338 2.67 48% 38% 55% 45% Rust 0.46 499,024 3040 0.83 26% 80% 47% 28% mandelbrot source secs mem gz busy cpu load Go 3.75 34,848 894 14.94 99% 100% 99% 99% Rust 0.93 32,788 763 3.69 100% 100% 99% 100% regex-redux source secs mem gz busy cpu load Go 3.61 374,916 810 5.95 47% 34% 20% 64% Rust 0.78 146,236 2458 1.99 53% 53% 61% 90% binary-trees source secs mem gz busy cpu load Go 6.74 280,176 701 26.36 98% 98% 98% 97% Rust 1.07 198,540 765 3.76 84% 100% 84% 83% Go go version go1.15.2 linux/amd64 Rust rustc 1.48.0 (7eac88abb 2020-11-16) LLVM version: 11.0 all Go programs & measurements all Rust programs & measurements