[gmx-users] Gromacs 4.6 with CUDA 4.2

Szilárd Páll szilard.pall at cbr.su.se
Wed Apr 25 15:38:38 CEST 2012

On Wed, Apr 25, 2012 at 11:43 AM, SebastianWaltz
<sebastian.waltz at physik.uni-freiburg.de> wrote:
> Dear all,
> will the new version 4.6 work together with CUDA 4.2? Would be good to
> know, since this is needed for the new NVIDIA Gemini cards with Kepler
> technology.

Yes it will. I would like to point out that the "needed" part is not
exactly true, binaries compiled with pre-4.2 can run equally fast on
Kepler especially if JIT compilation of PTX code is enabled.

Moreover, current 4.2 pre-release compiler produces slower code than
CUDA 4.0 not only for Fermi but also for Kepler. We'll have to see
brins the final CUDA 4.2 release + official drivers.


> Thanks,
> Basti
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