[Python-Dev] Possible optimization for LOAD_FAST ?

[Michael Foord]

On 04/01/2011 16:54, Barry Warsaw wrote:
> On Jan 04, 2011, at 10:21 AM, Alex Gaynor wrote:
>
>> Ugh, I can't be the only one who finds these special cases to be a little
>> nasty?
>>
>> Special cases aren't special enough to break the rules.
> Yeah, I agree.  Still it would be interesting to see what kind of performance
> improvement this would result in.  That seems to be the only way to decide
> whether the cost is worth the benefit.
>
> Outside of testing, I do agree that most of the builtins could be pretty
> safely optimized (even open()).  There needs to be a way to stop all
> optimizations for testing purposes.  Perhaps a sys variable, plus command line
> option and/or environment variable?

Although testing in an environment deliberately different from 
production is a recipe for hard to diagnose bugs.

Michael

> -Barry
>
>
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