[Python-Dev] Modify PyMem_Malloc to use pymalloc for performance

Victor Stinner victor.stinner at gmail.com
Mon Mar 14 19:08:25 EDT 2016

2016-03-09 18:54 GMT+01:00 Brett Cannon <brett at python.org>:
>>> https://docs.python.org/dev/c-api/memory.html#c.PyMem_SetupDebugHooks
>> The main advantage of this variable is that you don't have to
>> recompile Python in debug mode to benefit of these checks.
> I just wanted to say this all sounds awesome! Thanks for all the hard work
> on making our memory management story easier to work with, Victor.

You're welcome. I pushed my patch adding PYTHONMALLOC environment variable:

Please test PYTHONMALLOC=debug and PYTHONMALLOC=malloc with your
favorite application.

I also adjusted code (like code handling PYTHONMALLOCSTATS env var) to
be able to use debug checks in all cases. For example, debug hooks are
now also installed by default when Python is configured in debug mode
without pymalloc support.


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