The Computer Language
Benchmarks Game

Python 3 versus Java fastest programs

by faster benchmark performance

pidigits
source secs mem gz cpu cpu load
Python 3 3.48 10,352 386 3.47 1% 1% 0% 100%
Java 3.13 37,376 938 3.35 1% 98% 4% 6%
regex-redux
source secs mem gz cpu cpu load
Python 3 16.98 445,760 512 31.44 28% 74% 47% 38%
Java 10.50 571,736 929 31.63 71% 73% 66% 92%
reverse-complement
source secs mem gz cpu cpu load
Python 3 16.03 1,007,016 814 19.29 18% 59% 44% 23%
Java 3.32 609,712 2183 7.54 64% 44% 44% 76%
k-nucleotide
source secs mem gz cpu cpu load
Python 3 72.80 189,720 1967 276.09 95% 96% 98% 94%
Java 8.74 470,116 1812 27.12 71% 73% 93% 74%
binary-trees
source secs mem gz cpu cpu load
Python 3 83.95 451,732 589 290.57 88% 87% 87% 97%
Java 8.39 960,056 835 27.39 81% 85% 74% 90%
fasta
source secs mem gz cpu cpu load
Python 3 63.19 680,688 1947 135.52 62% 70% 63% 22%
Java 2.32 42,212 2473 6.30 65% 85% 47% 76%
fannkuch-redux
source secs mem gz cpu cpu load
Python 3 507.56 50,988 950 1,998.88 99% 99% 97% 99%
Java 17.98 31,180 1282 70.57 97% 99% 97% 99%
mandelbrot
source secs mem gz cpu cpu load
Python 3 263.04 51,780 688 1,050.80 100% 100% 100% 100%
Java 6.96 76,316 796 27.06 97% 97% 97% 97%
n-body
source secs mem gz cpu cpu load
Python 3 850.24 7,916 1242 850.06 0% 0% 0% 100%
Java 22.00 32,272 1489 22.07 1% 0% 0% 100%
spectral-norm
source secs mem gz cpu cpu load
Python 3 182.12 52,752 443 705.87 96% 96% 96% 100%
Java 4.26 33,572 950 16.39 96% 96% 98% 95%
Python 3

Python 3.7.1

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)