| Re: [eigen] calculating on ranges |
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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] calculating on ranges
- From: Jos van den Oever <jvdoever@xxxxxxxxx>
- Date: Tue, 27 Jan 2009 17:05:28 +0100
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2009/1/27 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> Google found code here:
> http://gruntthepeon.free.fr/ssemath/
> http://gruntthepeon.free.fr/ssemath/sse_mathfun.h
>
> We could strip a lot of stuff from this file and keep only the SSE2 path.
>
> That would be stuff for Eigen 2.1.
I was just about to post that link. A 5-6 fold speedup is no joke!
I meant to ask how to go about implementing the cwise().exp().
Can I do this via inheritance? Are there any things to mind when
implementing this function so that it will be vectorized properly?
Cheers,
Jos