Go versus C++ g++ fastest programs by faster benchmark performance reverse-complement source secs mem gz cpu cpu load Go 4.00 826,728 611 4.16 86% 1% 14% 6% C++ g++ 2.93 980,716 2280 4.52 51% 23% 33% 51% fasta source secs mem gz cpu cpu load Go 2.07 2,620 1358 5.86 84% 84% 61% 57% C++ g++ 1.33 1,740 2711 4.29 81% 81% 81% 82% pidigits source secs mem gz cpu cpu load Go 2.97 8,520 733 2.97 0% 1% 1% 100% C++ g++ 1.89 4,380 513 1.88 2% 99% 4% 2% fannkuch-redux source secs mem gz cpu cpu load Go 17.82 1,472 900 71.02 100% 100% 100% 100% C++ g++ 10.12 1,852 980 39.95 100% 100% 96% 100% spectral-norm source secs mem gz cpu cpu load Go 3.98 2,656 548 15.72 99% 99% 99% 99% C++ g++ 1.98 1,164 1044 7.87 99% 99% 99% 100% n-body source secs mem gz cpu cpu load Go 21.00 1,536 1200 21.00 0% 100% 0% 1% C++ g++ 9.37 1,712 1808 9.37 0% 2% 1% 100% k-nucleotide source secs mem gz cpu cpu load Go 12.09 158,320 1607 45.00 94% 92% 95% 92% C++ g++ 3.73 156,080 1624 11.60 75% 70% 72% 96% mandelbrot source secs mem gz cpu cpu load Go 5.47 31,004 905 21.73 100% 99% 99% 99% C++ g++ 1.51 25,640 1791 5.99 100% 100% 99% 99% binary-trees source secs mem gz cpu cpu load Go 28.82 463,464 654 109.73 97% 95% 95% 94% C++ g++ 3.68 119,052 809 11.93 98% 76% 77% 78% regex-redux source secs mem gz cpu cpu load Go 28.99 338,504 802 60.81 54% 48% 68% 40% C++ g++ 1.83 203,520 1315 4.41 50% 45% 100% 49% Go go version go1.11 linux/amd64 C++ g++ g++ (Ubuntu 8.2.0-7ubuntu1) 8.2.0 all other Go programs & measurements