[Python-Dev] Re: Activating pymalloc

[Andrew MacIntyre]

On Mon, 18 Mar 2002, Tim Peters wrote:

> [Tim]
> > Lots of people have reported modest speedups in non-pathological
> > programs too (except on OS/2 EMX, or something like that).
>
> [Andrew MacIntyre]
> > It works just fine when pymalloc is configured normally (~2% speedup).
>
> When running what?

pystone.py, MAL's PyBench - nothing real world though...

> > The performance hit came when I changed all interpreter memory
> > management to pymalloc.... (to deal with a pathological case in the
> > parser)
>
> I'm not sure what that means.  Rather than try to explain it (trust me:  it
> won't work <wink>), if you post a patch attached to a bug report on
> SourceForge, we can see whether the same is true on other boxes.

I did post the patch to python-dev at the time; but it'll have to be
redone in light of recent changes.

test_longexp was the pathological case.

--
Andrew I MacIntyre                     "These thoughts are mine alone..."
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