The Computer Language
Benchmarks Game

Julia versus Java fastest programs

Always look at the source code.

These are only the fastest programs. Do some of them use manually vectorized SIMD? Look at the other programs. They may seem more-like a fair comparison to you.

regex-redux
source secs mem gz busy cpu load
Julia 1.68 394,324 759 3.06 99% 7% 5% 71%
Java 5.58 985,696 929 18.26 81% 77% 84% 85%
mandelbrot
source secs mem gz busy cpu load
Julia 1.32 227,836 624 4.66 98% 86% 85% 85%
Java 4.15 69,136 796 16.29 98% 99% 98% 99%
n-body
source secs mem gz busy cpu load
Julia 4.05 218,740 1111 4.36 3% 2% 3% 100%
Java 6.74 35,844 1489 6.82 1% 100% 1% 0%
spectral-norm
source secs mem gz busy cpu load
Julia 1.11 182,068 429 3.74 80% 79% 80% 98%
Java 1.63 39,304 756 6.22 95% 97% 95% 95%
fannkuch-redux
source secs mem gz busy cpu load
Julia 7.64 206,244 1067 28.95 95% 95% 94% 95%
Java 10.64 35,192 1282 41.91 99% 98% 99% 97%
fasta
source secs mem gz busy cpu load
Julia 1.12 193,924 1082 1.40 10% 8% 99% 8%
Java 1.21 44,620 2543 3.58 89% 75% 65% 68%
k-nucleotide
source secs mem gz busy cpu load
Julia 5.12 374,876 951 11.36 63% 72% 38% 49%
Java 4.98 356,904 1812 16.25 78% 76% 96% 76%
reverse-complement
source secs mem gz busy cpu load
Julia 1.60 677,796 522 1.91 6% 6% 100% 9%
Java 1.54 670,924 2183 3.51 46% 56% 48% 79%
pidigits
source secs mem gz busy cpu load
Julia 0.97 172,908 506 1.24 10% 98% 10% 9%
Java 0.93 36,552 764 0.98 2% 3% 1% 99%
binary-trees
source secs mem gz busy cpu load
Julia 7.43 482,620 634 23.65 69% 100% 78% 72%
Java 2.48 1,722,848 835 7.88 98% 75% 71% 74%
Julia

julia version 1.6.0

Java

openjdk 16 2021-03-16
OpenJDK Runtime Environment (build 16+36-2231)
OpenJDK 64-Bit Server VM (build 16+36-2231, mixed mode, sharing)