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: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Tue, 10 Feb 2009 19:06:57 +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=eIsFir7QWMHekCz8eiXZyIP2EW9L/r+e9e3aBKjiOro=; b=UNXUEC7MmT0e/0tX+A666fVAELT2gI+fjiiqGCUawzcoGcZbVZHj2cnB27RM3biBeZ yn7WKJrpzjZpLFvtstBHnFVNc+8+ex92zxl0FJbG/p+ciaK8m1LGvdVJvqgNqcFzbGnd pR+++0FGfkHdIdiqyUerlTFS+XdTHU4N8ccAk=
- 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=wisqKXVoGbKFXVw4M9EX1+Aj1aVnPOegZiZ6HpOwc+dqd6GqxZj8hWNxgz2oRXaL+y hjm9RzXtx9l7H3vlZxjqArH537LndHHPtGhQFQFI0H/bHmoFPGujzbRJtNtcgyo8Is2G 28YDgr7PD9PV+eDknbGDFdZrTUWwF3Zb+kzVg=
good,
I applied the patch anyway. API-wise there won't be any difference.
gael
On Tue, Feb 10, 2009 at 5:41 PM, Benoit Jacob <jacob.benoit.1@xxxxxxxxx> wrote:
> 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.
good, do you also
> Cheers,
> Benoit
>
>
>