UTF-32 decoder optimization in Python 3.4

Mark Lawrence breamoreboy at yahoo.co.uk
Tue Nov 12 10:17:14 CET 2013


On 12/11/2013 02:11, Terry Reedy wrote:
> On 11/11/2013 4:41 PM, Mark Lawrence wrote:
>>  From http://docs.python.org/dev/whatsnew/3.4.html#optimizations "The
>> UTF-32 decoder is now 3x to 4x faster.".  Does anybody have any
>> references to this work?  All I can find is the 3.3 what's new which
>> refers to PEP 393 (Flexible String Representation) optimizations as a
>> result of work done by Serhiy Storchaka on issues 14624, 14738 and 15026.
>
> The second line at the top has "For full details, see the changelog."
> where changelog links to
> http://docs.python.org/3.4/whatsnew/changelog.html
> Searching that for 'UTF-34' goes to this line
> "Issue #14625: Rewrite the UTF-32 decoder. It is now 3x to 4x faster.
> Patch written by Serhiy Storchaka." where 'Issue #14625' links to
> http://bugs.python.org/issue14625
> with full discussion. (I know that you, Mark, could have found that, but
> not everyone reading could.)
>

Thanks for pointing out the obvious Terry. Kicks self up bum rather than 
facepalm :(

-- 
Python is the second best programming language in the world.
But the best has yet to be invented.  Christian Tismer

Mark Lawrence




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