Re: 4x4 single-precision matrix product with SSE

[Frederic Marmond <fmarmond@xxxxxxxxx>]

Hello Nicolas,
Yes, it's the right place :)
could you please paste your code as well as your benchmark context ?

Fred

2011/3/11 Nicolas Bock <nicolasbock@xxxxxxxxx>
>
> Hello list,
>
> I am writing an assembly function that multiplies 2 4x4 single precision
> matrices. I wrote 2 versions, one using SSE the other using SSE4.1. What
> surprised me is that the SSE4.1 version fails to beat the SSE version,
> it is in fact slightly slower.
>
> Is this the right place to ask for help? If anyone is interested I can
> post some code which would maybe clarify the situation a bit.
>
> If this is not the right place, please ignore me...
>
> nick
>
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