Julia versus Java fastest programs by faster benchmark performance regex-redux source secs mem gz cpu cpu load Julia 5.79 349,840 408 6.10 3% 99% 2% 2% Java 10.50 571,736 929 31.63 71% 73% 66% 92% fannkuch-redux source secs mem gz cpu cpu load Julia 11.28 178,540 1067 43.15 95% 95% 95% 100% Java 17.98 31,180 1282 70.57 97% 99% 97% 99% n-body source secs mem gz cpu cpu load Julia 22.85 169,788 1149 23.16 2% 100% 1% 1% Java 22.00 32,272 1489 22.07 1% 0% 0% 100% spectral-norm source secs mem gz cpu cpu load Julia 4.67 160,808 370 17.28 90% 99% 90% 91% Java 4.26 33,572 950 16.39 96% 96% 98% 95% fasta source secs mem gz cpu cpu load Julia 9.33 199,104 1192 9.64 2% 2% 100% 1% Java 2.32 42,212 2473 6.30 65% 85% 47% 76% mandelbrot source secs mem gz cpu cpu load Julia 44.14 184,408 373 44.44 2% 99% 1% 1% Java 6.96 76,316 796 27.06 97% 97% 97% 97% binary-trees source secs mem gz cpu cpu load Julia 96.33 707,548 436 96.54 1% 1% 0% 100% Java 8.39 960,056 835 27.39 81% 85% 74% 90% k-nucleotide source secs mem gz cpu cpu load Julia 165.54 2,961,276 1014 606.78 96% 89% 96% 88% Java 8.74 470,116 1812 27.12 71% 73% 93% 74% reverse-complement source secs mem gz cpu cpu load Julia 68.32 1,630,008 460 68.55 1% 1% 48% 53% Java 3.32 609,712 2183 7.54 64% 44% 44% 76% pidigits source secs mem gz cpu cpu load Julia Bad Output Java 1.85 ? 938 ? 12% 28% 50% 16% Julia julia version 1.1.0 export JULIA_NUM_THREADS=4 Java openjdk 11 2018-09-25 OpenJDK Runtime Environment 18.9 (build 11+28) OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode) all other Julia programs & measurements