| Re: [eigen] Matrix decompositions |
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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: Re: [eigen] Matrix decompositions
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Thu, 28 Feb 2013 22:24:28 +0100
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On Thu, Feb 28, 2013 at 10:00 PM, Sameer Agarwal
<sameeragarwal@xxxxxxxxxx> wrote:
> So why is SIMD/vectorization disabled on unaligned matrices? and by turn on
> Map objects.
SIMD is disabled only for fixed size matrices which are supposed to be
small, and so not worth trying to adapt to the actual alignement at
run-time. For dynamic size matrices, everything is vectorized.