I just downgraded to CUDA 4.2.9 and recompiled GPU amber code,
I am going to repeat the all Amber benchmarks once they
are done I will report here.
Best,
Marek
Dne Wed, 03 Jul 2013 20:28:35 +0200 Tru Huynh <tru.pasteur.fr> napsal/-a:
> 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
--
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Received on Wed Jul 03 2013 - 12:00:02 PDT
