[Beowulf] Variable precision arithmetic

[Nathan Moore]

Is GMP vectorized for CUDA?

https://gmplib.org/

On Sat, Jan 6, 2018 at 3:16 AM, John Hearns via Beowulf <beowulf at beowulf.org
> wrote:

> I did not want to hijack the thread on Nvidia cards.
>
> Doug Eadline as usual makes a very relevant point:
> "BTW, I find it interesting one of the most popular codes run
> on Nvidia GPUs is Amber (MD). It has been optimized to use
> SP when it can and many Amber users turn off ECC because it
> slows down the GPU which translates to runs really well on
> Nvidia video cards."
>
> I would like to start off a discussion on choosing the appropriate
> precision for calculations.
> I believe that there is a generally agreed limit for an exascale machine
> of 30MW of power consumption (I could be wrong). So people are looking at
> the energy consumption per computational operation.
> I believe computational scientists will have to start paying a lot more
> attention to the choice of data types, rather than declaring double
> precision.
>
> Just my two pennies worth.
>
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org sponsored by Penguin Computing
> To change your subscription (digest mode or unsubscribe) visit
> http://www.beowulf.org/mailman/listinfo/beowulf
>
>


-- 
- - - - - - -   - - - - - - -   - - - - - - -
Nathan Moore
Mississippi River and 44th Parallel
- - - - - - -   - - - - - - -   - - - - - - -
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.beowulf.org/pipermail/beowulf/attachments/20180107/8582e47f/attachment.html>