Erlang HiPE versus Java 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. binary-trees source secs mem gz busy cpu load Erlang HiPE 4.17 385,804 478 11.73 67% 84% 62% 69% Java 2.50 2,487,096 835 7.90 88% 75% 75% 79% fannkuch-redux source secs mem gz busy cpu load Erlang HiPE 59.08 24,856 1038 234.23 99% 99% 99% 99% Java 11.00 34,104 1282 43.42 99% 98% 98% 99% spectral-norm source secs mem gz busy cpu load Erlang HiPE 11.18 36,732 747 44.14 98% 99% 99% 99% Java 1.68 38,348 950 6.43 96% 96% 96% 95% regex-redux source secs mem gz busy cpu load Erlang HiPE 42.76 3,372,420 1048 61.66 32% 16% 37% 59% Java 5.70 656,328 929 18.25 89% 76% 79% 75% pidigits source secs mem gz busy cpu load Erlang HiPE 7.94 28,088 562 8.34 8% 88% 2% 7% Java 0.79 35,568 764 0.84 99% 3% 3% 1% reverse-complement source secs mem gz busy cpu load Erlang HiPE 25.62 2,765,104 1302 68.99 56% 52% 77% 85% Java 1.54 702,332 2183 3.55 78% 46% 49% 57% k-nucleotide source secs mem gz busy cpu load Erlang HiPE 86.79 855,628 937 239.31 57% 66% 58% 94% Java 5.00 408,040 1812 16.36 74% 81% 86% 86% mandelbrot source secs mem gz busy cpu load Erlang HiPE 84.88 54,364 806 339.25 100% 100% 100% 100% Java 4.11 68,204 796 16.20 98% 99% 98% 99% n-body source secs mem gz busy cpu load Erlang HiPE 140.03 24,832 1399 141.22 0% 100% 0% 0% Java 6.75 35,200 1489 6.83 0% 0% 100% 1% fasta source secs mem gz busy cpu load Erlang HiPE 57.01 25,348 1039 73.11 9% 14% 100% 5% Java 1.20 44,124 2543 3.61 79% 86% 69% 65% Erlang HiPE Erlang/OTP 23 [erts-11.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe] Java openjdk 15 2020-09-15 OpenJDK Runtime Environment (build 15+36-1562) OpenJDK 64-Bit Server VM (build 15+36-1562, mixed mode, sharing) all Erlang HiPE programs & measurements all Java programs & measurements