Re: [eigen] question on alignment

[Christoph Hertzberg <chtz@xxxxxxxxxxxxxxxxxxxxxxxx>]

On 10.10.2012 11:14, Sylvain Pointeau wrote:
> thank you very much,
> so basically, I will end up having the EIGEN_MAKE_ALIGNED_OPERATOR_NEW
> in all my classes ...
> is it something common?
> (through it is not annoying in my case)

I'm afraid that I don't get the question.  Maybe this page can help:
http://eigen.tuxfamily.org/dox-devel/TopicStructHavingEigenMembers.html


> I have another question:
> I observed a 50% boost when I activated the link time optimisation. (I
> am just converting my program to use eigen compared to my own lib)
> is it Eigen or another thing I missed? from my previous experience of
> other programs, the LTO didn't have a big effect.

So did you compare the same program with your library and with Eigen, 
with and without LTO?


Christoph





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Dipl.-Inf. Christoph Hertzberg
Cartesium 0.049
Universität Bremen
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