Re: [eigen] Architecture specific performance optimizations

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On Mar 8, 2014, at 01:21 , Christoph Hertzberg <chtz@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> On 07.03.2014 19:54, Gael Guennebaud wrote:
>>> I think as a first step, we should have some kind of survey on what
>>> platforms Eigen currently is used, who requires to have top-performance (I
>>> would assume this correlates with people having up-to-date hardware).
>> This should indeed correlate with recent hardware. What's more tricky
>> is that "up-to-date" hardware might behave quite differently depending
>> on the architecture. In particular I'm thinking about ARM.
> I think for ARM the problem is mainly to find people running benchmarks (as you noted below). As long as nobody does, I don't think it is really critical to have top performance here.

We use Eigen pretty heavily on iOS, currently recommending iPad 4 and iPad Air for our app.


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