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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Re: sse4 and integer multiplication
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Tue, 24 Nov 2009 16:02:35 -0500
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2009/11/24 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> Non-vectorized: 1.91 s
> SSE4.1: 2.41 s
oops, i meant the reverse:
Non-vectorized: 2.41 s
SSE4.1: 1.91 s
>
> so this time it's 26% faster...
so yes this time sse4.1 is faster than nothing....
> Cheers to Intel's marketing dept.
.... but not as fast as Intel would have you believe, that's what i meant.
> Benoit
>