On 2007-11-29 11:52, Titus Brown wrote:
Hi all,
is there a good, or standard memory benchmarking system for Python?
pybench doesn't return significantly different results when Python 2.6
is compiled with pymalloc and without pymalloc. Thinking on it, I'm not
too surprised -- pybench probably benchmarks a lot of stuff -- but some
guidance on how/whether to benchmark different memory allocation schemes
would be welcome.
pybench focuses on runtime performance, not memory usage. It's
way of creating and deleting objects is also highly non-standard
when compared to typical use of Python in real life applications.
It's also rather difficult to benchmark memory allocation, since
most implementations work with some sort of pre-allocation,
buffer pools or free lists.
If you want to use a similar approach as pybench does, ie. benchmark
small parts of the interpreter instead of generating some grand
total, then you'd probably have to do this by spawning a separate
process per test.
refs:
http://code.google.com/p/google-highly-open-participation-psf/issues/detail?id=105colspec=ID%20Status%20Summary
http://evanjones.ca/memoryallocator/
http://www.advogato.org/person/wingo/diary/225.html
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