Python Interpreters Benchmarks
x64 ArchLinux : AMD® Ryzen 7 4700U®

- all benchmarks - n-body fannkuch-redux meteor-contest fasta fasta-redux fibonacci fib50 spectral-norm reverse-complement mandelbrot k-nucleotide regex-dna pidigits chameneos-redux templates thread-ring binary-trees-redux binary-trees pystone richards iobench jsonbench - all languages - Python 2 PyPy Python 3 Python dev PyPy 3 Jython IronPython Cython Nuitka Shedskin Numba Pyston MicroPython Grumpy Graal RustPython

vs Python 2 PyPy Python 3 Python dev PyPy 3 Jython IronPython Cython Nuitka Shedskin Numba Pyston MicroPython Grumpy Graal RustPython x64 octa-core

 1 : Are the Jython programs faster? At a glance.

Each chart bar shows, for one unidentified benchmark, how much the fastest Jython program used compared to the fastest IronPython program.

(Memory use is only compared for tasks that require memory to be allocated.)

These are not the only compilers and interpreters. These are not the only programs that could be written. These are not the only tasks that could be solved. These are just 10 tiny examples.

 2 : Are the Jython programs faster? Approximately.

Each table row shows, for one named benchmark, how much the fastest Jython program used compared to the fastest IronPython program.

(Memory use is only compared for tasks that require memory to be allocated.)

Jython used what fraction? used how many times more?
Benchmark	Time	Memory	Code

Jython used what fraction? used how many times more?
Time-used	|-	|---	25%	median	75%	---|	-|
(Elapsed secs)

± read the measurements and then read the program source code.

 3 : Are the Jython programs faster? Measurements.

These are not the only tasks that could be solved. These are just 10 tiny examples. These are not the only compilers and interpreters. These are not the only programs that could be written.

For each named benchmark, measurements of the fastest Jython program are shown for comparison against measurements of the fastest IronPython program.

Program Source Code	CPU secs	Elapsed secs	Memory KB	Code B	≈ CPU Load
spectral-norm
Jython	8.79	5.59	3,540	594	23% 31% 26% 41% 10% 8% 8% 11%
	No program
thread-ring
Jython	5.84	2.66	3,476	407	54% 23% 34% 24% 32% 24% 15% 20%
	No program
reverse-complement
Jython	4.28	1.94	3,360	431	19% 35% 30% 31% 62% 10% 26% 13%
	No program
richards
Jython	7.01	3.06	3,380	2423	18% 41% 29% 35% 21% 29% 29% 33%
	No program
pystone
Jython	7.20	2.84	3,548	2301	22% 34% 21% 79% 32% 23% 18% 28%
	No program
regex-dna
Jython	5.59	2.47	3,484	501	36% 22% 30% 40% 31% 31% 24% 14%
	No program
n-body
Jython	47.89	42.47	3,380	1337	13% 32% 42% 14% 3% 4% 2% 4%
	No program
pidigits
Jython	10.77	6.45	3,588	322	18% 30% 55% 20% 13% 7% 13% 12%
	No program
k-nucleotide
Jython	4.89	2.15	3,448	593	34% 52% 20% 30% 23% 31% 21% 16%
	No program
meteor-contest
Jython	9.64	5.51	3,432	1485	58% 22% 17% 13% 14% 12% 24% 17%
	No program
jsonbench
Jython	23.44	15.07	3,592	322	34% 25% 14% 9% 17% 20% 19% 19%
	No program
iobench
Jython	286.89	270.09	3,620	370	19% 26% 30% 27% 1% 1% 1% 1%
	No program
fibonacci
Jython	6.15	2.55	3,400	181	22% 59% 28% 7% 24% 41% 29% 33%
	No program
fib50
Jython	11.08	6.91	3,592	130	17% 14% 11% 5% 44% 24% 21% 25%
	No program
fasta
Jython	25.50	20.97	3,540	900	28% 13% 13% 12% 22% 32% 1% 2%
	No program
fannkuch-redux
	No programs
fasta-redux
	No programs
mandelbrot
	No programs
chameneos-redux
	No programs
templates
	No programs
binary-trees-redux
	No programs
binary-trees
	No programs

 4 : Are there other Jython programs for these benchmarks?

Remember - those are just the fastest Jython and IronPython programs measured on this OS/machine. Check if there are other implementations of these benchmark programs for Jython.

Python 2 PyPy Python 3 Python dev PyPy 3 Jython IronPython Cython Nuitka Shedskin Numba Pyston MicroPython Grumpy Graal RustPython

Maybe one of those other Jython programs is fastest on a different OS/machine.

 5 : Are there other faster programs for these benchmarks?

Remember - those are just the fastest Jython and IronPython programs measured on this OS/machine. Check if there are faster implementations of these benchmark programs for other programming languages.

n-body fannkuch-redux meteor-contest fasta fasta-redux fibonacci fib50 spectral-norm reverse-complement mandelbrot k-nucleotide regex-dna pidigits chameneos-redux templates thread-ring binary-trees-redux binary-trees pystone richards iobench jsonbench

Maybe one of those other programs is fastest on a different OS/machine.

 Jython : Python on Java 

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