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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Fwd: [eigen] A complex FFT for Eigen
- From: "Benoit Jacob" <jacob.benoit.1@xxxxxxxxx>
- Date: Fri, 28 Nov 2008 21:31:23 +0100
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---------- Forwarded message ----------
From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
Date: 2008/11/28
Subject: Re: [eigen] A complex FFT for Eigen
To: Tim Molteno <tim@xxxxxxxxxxxxxxxxxxx>
One minor clarification:
2008/11/28 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> Of course! I'm saying that we want two separate things, a completely
> meta-unrolled version for small enough fixed sizes, and a version with
> a for loop for dynamic and/or big sizes. The version with a for loop
> can be "peeled" for better performance, meaning that the X last levels
> of recursion use the meta-unrolled version.
Of course, when I say "for loop" it shouldn't be taken too litteraly,
any kind of loop, or a recursive function, is equally good :)
Cheers,
Benoit
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