[Python-Dev] Performance compares

M.-A. Lemburg mal@lemburg.com
Thu, 17 May 2001 11:03:06 +0200


Michael Hudson wrote:
> 
> "M.-A. Lemburg" <mal@lemburg.com> writes:
> 
> > Sure are... but I'm not so much interested in the absolute numbers
> > -- it's the hot-spots which showed up that scare me: e.g. dictionary
> > creation seems to have suffered along the way for some reason,
> > functions calls are even slower now than they were previously and
> > other important tasks such a instance creation take a similar hit
> > (probably as a result of the other two).
> 
> Have you tried fiddling with gc parameters?  If the GC does a multi
> generation trawl through the heap in the middle of some test, that
> might skew the numbers in unexpected ways.
> 
> Or not, of course.

No, I haven't tried fiddling with those. I'm not sure I want
to either ;-) ... the reason is that applications won't switch
off GC for execution and so the tests is closer to real life.

Still, I'll rerun the test suite using gc.disable() and post the 
results.

-- 
Marc-Andre Lemburg
CEO eGenix.com Software GmbH
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