Go programs versus C++ g++ by benchmark task performance pidigits source secs mem gz cpu cpu load Go 2.02 9,256 603 2.02 0% 0% 100% 0% C++ g++ 1.88 4,276 513 1.88 0% 100% 1% 0% reverse-complement source secs mem gz cpu cpu load Go 4.00 824,356 611 4.16 1% 35% 68% 2% C++ g++ 3.08 980,604 2280 4.66 62% 25% 12% 54% fannkuch-redux source secs mem gz cpu cpu load Go 14.72 1,540 900 58.65 100% 100% 99% 100% C++ g++ 10.61 2,044 980 41.90 100% 96% 100% 100% fasta source secs mem gz cpu cpu load Go 2.08 3,640 1358 5.69 84% 66% 70% 56% C++ g++ 1.35 1,952 2711 4.18 79% 78% 78% 79% k-nucleotide source secs mem gz cpu cpu load Go 12.77 148,052 1722 47.35 87% 97% 94% 95% C++ g++ 7.75 165,180 1276 26.02 80% 96% 82% 79% spectral-norm source secs mem gz cpu cpu load Go 3.94 2,344 548 15.71 100% 100% 100% 100% C++ g++ 2.02 1,332 1044 7.91 99% 99% 99% 99% n-body source secs mem gz cpu cpu load Go 21.37 1,536 1310 21.38 0% 0% 100% 0% C++ g++ 8.23 1,856 1763 8.23 100% 1% 1% 0% mandelbrot source secs mem gz cpu cpu load Go 5.48 30,912 905 21.79 99% 99% 99% 100% C++ g++ 1.51 25,704 1791 5.99 99% 100% 100% 100% binary-trees source secs mem gz cpu cpu load Go 28.80 434,632 654 109.58 94% 95% 95% 97% C++ g++ 2.55 135,568 809 7.99 85% 96% 69% 66% regex-redux source secs mem gz cpu cpu load Go 28.21 323,820 802 59.87 69% 46% 50% 48% C++ g++ 1.61 203,572 1315 4.18 100% 52% 57% 54% Go go version go1.10 linux/amd64 C++ g++ g++ (Ubuntu 7.2.0-8ubuntu3) 7.2.0 vs C vs C++ vs Java vs JavaScript vs Python