Re: Poor man's benchmarking issue - help needed

[HyperHacker <hyperhacker@...>]

On Wed, Aug 31, 2011 at 03:35, steve donovan <steve.j.donovan@gmail.com> wrote:
> On Wed, Aug 31, 2011 at 11:32 AM, TNHarris <telliamed@whoopdedo.org> wrote:
>> Partly because you're measuring table lookups. Alias math.floor and math.ceil to locals and the times I get go from 40% slower to just 25% slower.
>
> That's the kind of thing that experienced people know and everyone
> else needs to know, i.e. should go in the uFAQ under optimization
> tips.
>
> steve d.
>
>

Does math.ceil(x) in a loop seriously look up 'ceil' (and maybe even
'math') every time it's called? It's not smart enough to optimize that
lookup out of a tight loop if nothing is changing it?

-- 
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