D vs VM-based platforms
Benji Smith
dlanguage at benjismith.net
Tue May 1 17:45:15 PDT 2007
Daniel Keep wrote:
> Sorry; yes, you're right: it's for a single dot product.
>
> I'm surprised at this because of the sheer number of articles I ran
> across touting "faster" dot product functions using SSE. I have a
> feeling these people have never bothered to actually *benchmark* their
> "faster" functions :P
>
> -- Daniel
I'm also assuming that's for some low-dimensionality vector? I'd
likewise guess that there's some sweet spot where dot product
calculation is faster with SSE, even for a single pair of vectors, if
the vectors are of sufficient dimensionality.
--benji
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