On Wed, Jul 03, 2013 at 07:39:56PM +0200, Marek Maly wrote:
> Yes indeed !
>
> I am really curious here. Maybe cuFFT in CUDA 4.2.9 is somehow
> "more tolerant"/"more compatible" with TITANs ...
>
> Another hypothesis might be that the particular TITANs (ASUS) do not
> have problems at all.
we will find out soon enough.
>
> Tru if your TITANs pass all the tests without any problems
> and with 100% reproducibility, might be possible for you to
> repeat them with CUDA 5.0 or CUDA 5.5 and eventually
> the actual driver (319.23) ?
That is the actual driver (319.23) from the elrepo kmod-nvidia rpms.
[tru.margy ~]$ nvidia-smi
Wed Jul 3 20:24:11 2013
+------------------------------------------------------+
| NVIDIA-SMI 5.319.23 Driver Version: 319.23 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX TITAN Off | 0000:03:00.0 N/A | N/A |
| 57% 80C N/A N/A / N/A | 1037MB / 6143MB | N/A Default |
+-------------------------------+----------------------+----------------------+
| 1 GeForce GTX TITAN Off | 0000:04:00.0 N/A | N/A |
| 58% 80C N/A N/A / N/A | 1037MB / 6143MB | N/A Default |
+-------------------------------+----------------------+----------------------+
| 2 GeForce GTX TITAN Off | 0000:83:00.0 N/A | N/A |
| 57% 80C N/A N/A / N/A | 1037MB / 6143MB | N/A Default |
+-------------------------------+----------------------+----------------------+
| 3 GeForce GTX TITAN Off | 0000:84:00.0 N/A | N/A |
| 58% 80C N/A N/A / N/A | 1037MB / 6143MB | N/A Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Compute processes: GPU Memory |
| GPU PID Process name Usage |
|=============================================================================|
| 0 Not Supported |
| 1 Not Supported |
| 2 Not Supported |
| 3 Not Supported |
+-----------------------------------------------------------------------------+
> If not or it is problematic for you, I will then try to downgrade
> to CUDA 4.2.9 if I find proper install file.
That will not be an issue, just a matter of rebuilding the pmemd.CUDA version.
Best,
Tru
PS: deviceQuery output attached
--
Dr Tru Huynh | http://www.pasteur.fr/recherche/unites/Binfs/
mailto:tru.pasteur.fr | tel/fax +33 1 45 68 87 37/19
Institut Pasteur, 25-28 rue du Docteur Roux, 75724 Paris CEDEX 15 France
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Received on Wed Jul 03 2013 - 12:00:02 PDT
