[Beowulf] What happened to AMD GPU?

[Craig Tierney - NOAA Affiliate]

It appears to me that the numbers posted on that page for the card you are
testing are with ECC off?  I know you are asking the question "what if",
but the current test isn't even apples-to-apples.

We want best price-performance for our codes.  We have not gone down the
road of CUDA because that would lock us out of other technologies (still
hoping that OpenACC and OpenMP merge).  We have never ruled out AMD, but we
have never seen an argument to try it.

Craig

On Wed, Mar 4, 2015 at 12:07 PM, C Bergström <cbergstrom at pathscale.com>
wrote:

> This is part shameless self promotion, but also meant to stir some
> discussion..
>
> Take a look at some of the recent top results for SPEC ACCEL
> http://spec.org/accel/results/accel_acc.html
> /* It may not seem like much, but I can say that is the visible result
> to a heck of a lot of work */
>
> I have to word this carefully, but after that was submitted we fixed a
> cooling issue and the score went higher.. expect better public results
> in 2 weeks. (Anyone want to party at GTC?)
>
> Frankly, it's visible we still aren't the best performance on some
> codes.. Those issues basically fall into two camps and we're working
> on it.
> -----------
> Having said this..
> Would anyone build an AMD GPU cluster if
> 1) The GPU was 30-40% faster than a K40
> 2) It cost less
> 3) OpenACC/OpenMP4/CUDA programming models were high performance and
> supported
> 4) More oncard ram
> -----------
> The s9150 is a top end card and priced relatively in the same ballpark
> as the competition..
>
> Forgive me for sounding like a salesperson.
> If you don't need all the ram on the card - there's the w8100 (with
> fan on the card)  - $1050 on Newegg! (Why do I feel like an
> infomercial)
>
> I have 2x w8100 in a server for benchmarking and they are nice GPU.
> Not as fast as a K40, but beats other cards.
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