Martin v. Löwis <mar...@v.loewis.de> added the comment:

Here is a benchmark. Based on my assumption that this patch may reduce 
allocation overheads due to minimizing padding+fragmentation, it allocates a 
lot of memory, and then waits 20s so you can check in the process explorer what 
the "Commit Size" of the process is.

For the current 3.3 tree, in 32-bit mode, on a 64-bit Windows 7 installation, I 
get 464,756K for the unpatched version, and 450,436K for the patched version.

This is a 3% saving, which seems good enough for me.

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Added file: http://bugs.python.org/file26069/tuples.py

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