| Re: [eigen] [PATCH] prod() / rowwise().prod() / colwise().prod() |
[ Thread Index |
Date Index
| More lists.tuxfamily.org/eigen Archives
]
- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] [PATCH] prod() / rowwise().prod() / colwise().prod()
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Tue, 10 Feb 2009 17:41:28 +0100
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=XukKM88cNni0e6fOG8A0oBMs+F2J4dj6sA1KTiijLMc=; b=nyUviLCCuqvNGBwJw6H4M+e4Tnz9zYYPhWvoX0jSbNzs/ZczxqN59qQrcxEFrFEd0t xf3oAH1yZWLU/yOo6AinJbkrmIq1Rg3kKtQEGuf6JCsSfcEfW3SXaxtMcCz+d9YICzDP uxMUjWQpqNW/Huh9gkcHzD4mJjrAyml63rSfc=
- Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=mXgtdpdAN3ZqsX6YwcsXjNtK+76pMQAt1h+m30MX6cXg2akY5cRk0dU+ltU7WMYSe9 YGBsLBO6+LGDjJWSShyw9FhUClvvUjADhHOmLZmiaIl2uc/9pyaWaHiDEvTfpsDaNKyd 4daEBtMw33gQykVqi3tyO7IxVJqEeJmNILtMI=
2009/2/10 Gael Guennebaud <gael.guennebaud@xxxxxxxxx>:
> however it would be much better to improve the Redux framework on the
> model of Sum (and now Prod !) such that any reduction operation is
> seamlessly vectorized.
> This also remind me that we should add a big arch-dependent structure
> to specify, for each scalar type, which operation is vectorized, and
> what is the approximate cost. This kind of compile time data base
> would be used by the functor traits.
Just to say that I 100 % agree.
Cheers,
Benoit