[alexandria-devel] Regarding %MULTIPLY-RANGE, BINOMIAL-COEFFICIENT

Nikodemus Siivola nikodemus at random-state.net
Sat Jan 26 13:02:16 UTC 2013


On 1 July 2012 00:41, Robert Smith <quad at symbo1ics.com> wrote:

> With the code above, I can compute the same binomial coefficient in
> about 7.503 seconds, so about a 2.5 second speed up.
>
> I'd like to submit a patch using the code above, but I could see how
> these speed ups are both implementation-dependent and
> platform-dependent. A particular unfortunate consequence is that we
> don't have those tweakable limits which (in theory; as the comments
> say) could be computed at compile time.
>
> Any thoughts?

(Gears of Alexandria grind slow.)

Please do send in a patch.

If this turns out to be a performance regression for other compilers,
we can worry about it then.

Cheers,

 -- Nikodemus




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