[Tutor] Power Shells [WAS:] optimization: faster than for

[elis aeris]

http://memoryhacking.com/forums/viewtopic.php?p=1195#1195




On 7/1/07, Alan Gauld <alan.gauld at btinternet.com> wrote:
>
>
> "elis aeris" <hunter92383 at gmail.com> wrote
>
> > Use the best for-equivalent and run the code below,
>
> Elis,
>
> Can you tell us what exactly you are trying to do?
>
> I'm not sure whether its just running tests on loop contructs
> or trying to get a list of pixels from an image (and if so to do
> what with them?)
>
> Until we know what your underlying project is trying to achieve
> its impossible to give sensible help in making things run faster.
> As Kent mentioned the things you do with the pixels are likely
> to make as much difference to total performance as the loops
> you use. Python is not C and the fastest solution in one scenario
> might not be fastest in another. It's better to get the best solution
> that works then tune it for speed where its actually necessary.
>
> What performance do you actually need?
> What is too slow at the moment?
>
> Are you in danger of succumbing to the danger of premature
> optimisation? It looks a lot like it from your posts.
>
> Alan G.
>
>
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