[Python-Dev] Python Benchmarks (original) (raw)

M.-A. Lemburg mal at egenix.com
Thu Jun 8 10:37:51 CEST 2006

Fredrik Lundh wrote:

M.-A. Lemburg wrote:

Some more interesting results from comparing Python 2.4 (other) against the current SVN snapshot (this): been there, done that, found the results lacking. we spent a large part of the first NFS day to investigate all reported slowdowns, and found that only one slowdown could be independently confirmed (the exception issue). try running some of your subtests under timeit, and see if you can repeat the results.

The results were produced by pybench 2.0 and use time.time on Linux, plus a different calibration strategy. As a result these timings are a lot more repeatable than with pybench 1.3 and I've confirmed the timings using several runs to make sure.

Still, here's the timeit.py measurement of the PythonFunctionCall test (note that I've scaled down the test in terms of number of rounds for timeit.py):

Python 2.4: 10 loops, best of 3: 21.9 msec per loop 10 loops, best of 3: 21.8 msec per loop 10 loops, best of 3: 21.8 msec per loop 10 loops, best of 3: 21.9 msec per loop 10 loops, best of 3: 21.9 msec per loop

Python 2.5 as of last night: 100 loops, best of 3: 18 msec per loop 100 loops, best of 3: 18.4 msec per loop 100 loops, best of 3: 18.4 msec per loop 100 loops, best of 3: 18.2 msec per loop

The pybench 2.0 result:

PythonFunctionCalls: 130ms 108ms +21.3% 132ms 109ms +20.9%

Looks about right, I'd say.

-- Marc-Andre Lemburg eGenix.com

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