[issue3526] Customized malloc implementation on SunOS and AIX
Charles-Francois Natali
report at bugs.python.org
Fri Apr 29 19:19:54 CEST 2011
Charles-Francois Natali <neologix at free.fr> added the comment:
Even worse than that, mixing to malloc implementations could lead to trouble.
For example, the trimming code ensures that the heap is where it last set it. So if an allocation has been made by another implementation in the meantime, the heap won't be trimmed, and your memory usage won't decrease. Also, it'll increase memory fragmentation.
Finally, I've you've got two threads inside different malloc implementations at the same time, well, some really bad things could happen.
And there are probably many other reasons why it's a bad idea.
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<http://bugs.python.org/issue3526>
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