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Showing content from https://mail.python.org/pipermail/python-dev/2002-January/019367.html below:

[Python-Dev] eval() slowdown in 2.2 on MacOS X?

[Python-Dev] eval() slowdown in 2.2 on MacOS X?Tim Peters tim.one@home.com
Thu, 10 Jan 2002 15:37:46 -0500
[Tim]
>> Break it into smaller steps so we can narrow down possible causes:

[Andrew Kuchling]
> You should have cc'ed Barbara on that.

I did a Reply-All.  In the copy I got back from Python-Dev,

    mattson@milkyway.gsfc.nasa.gov

was in the cc list.  If that didn't reach her, sorry, but I don't think I
could have done more than I did.

> I forwarded your message to her and she wrote back (eventually):
>
>> BTW, I forgot to pass this on yesterday, but I tried the code in
>> Tim Peters' e-mail yesterday and the delay happens during the code =
>> compile(...) statement.

So it's somehere in the front end -- that's a real help <wink>.

> She's going to install sshd on her machine, so maybe this weekend I'll
> be able to log in, compile Python from source, and poke around in an
> effort to figure out what's going on.

Did she try Skip's suggestion to try pymalloc?  Given that we believe there
is no Mac-specific code here outside libc, the first suggestion was (and
remains) the best.  The front end will be doing a whale of a lot of mallocs.
If it's like "the usual" malloc disease under glibc, the delays would appear
during the free()s.




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