Demur Rumed <junkm...@hotmail.com> added the comment:
I've attached the original patch without whitespace, and am also including
modifications to this portion of the interpreter which remove ROT_FOUR,
DUP_TOPX while adding ROT_THREE_TWO, DUP_TOP_TWO, DUP_ROT_THREE. I've seen a 4%
speed increase with timeit.Timer("a[0]+=0","a=[0]")
Also modified the optimizer to reject code with a size over 32767 instead of
32760. That's most likely a useless modification which may be preferred ignored
----------
Added file: http://bugs.python.org/file17859/cmpoprotdup.diff
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<http://bugs.python.org/issue9155>
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