[gmx-users] GPU recommendations

[Szilárd Páll]

Hi,

No need to worry, GTX 680 is quite recent and will be supported by
GROMACS for at least a couple of years longer. Just make sure this
second hand GPU is i) stable (run cuda-memtest) ii) is sold cheaper
than a GTX 770 (which is faster).

Cheers,

--
Szilárd


On Mon, Aug 18, 2014 at 4:34 PM, Keith Callenberg
<keithcallenberg at gmail.com> wrote:
> Hello GMX-Users,
>
> I have the option of buying a used GTX 680 in good condition for a
> reasonable price. I realize there are faster cards on the market if I were
> buying new, but I have a limited budget. Is there anything I should worry
> about with respect to compatibility with future GROMACS versions?
>
> I'm not worried so much about the card's diminishing competitiveness over
> time as new cards come out, as much as I'm worried that newer versions of
> GROMACS will require some feature that an older card like the GTX 680
> doesn't support. I've had earlier GPUs that were effectively outdated by
> CUDA compute capability version. Are there any things like CUDA compute
> capability that I should consider looking 1-2 years ahead?
>
> Thanks,
> Keith Callenberg
> --
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