[gmx-users] Performance of GTX 980 and 970
ckutzne at gwdg.de
Mon Sep 29 19:33:11 CEST 2014
On 29 Sep 2014, at 16:27, Szilárd Páll <pall.szilard at gmail.com> wrote:
> On Mon, Sep 29, 2014 at 2:46 PM, Mirco Wahab
> <mirco.wahab at chemie.tu-freiberg.de> wrote:
>> On 29.09.2014 14:31, Pappu Kumar wrote:
>>> I am wondering if anyone tested the performance of new GTX 980 and 970
>>> cards and compared to 780/780Ti/Titan using the input systems given here
>> As long as I don't have a card, I can only guess.
>> But: until the appearance of reasonable benchmarks, you
>> can look at the F at H-results:
> Note that that's the GB single precision benchmark's plot which shows
> surprising large performance gap between 780 Ti and 980 - perhaps
> there's something in the OpenMM GB kernels that favors Maxwell.
> This is the explicit solvent performance plot:
> showing ~25% improvement over a 780 Ti (still pretty impressive). This
> is close to what I'd have guessed based on extrapolating the 750 Ti
Wouldn’t one expect the 980 to be slightly slower than the 780 Ti
due to its smaller single precision processing power?
> Also note that this is OpenCL performance which is inherently worse
> than CUDA and the OpeCL-CUDA difference may not be the same across all
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Dr. Carsten Kutzner
Max Planck Institute for Biophysical Chemistry
Theoretical and Computational Biophysics
Am Fassberg 11, 37077 Goettingen, Germany
Tel. +49-551-2012313, Fax: +49-551-2012302
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