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GadievRadik
gadiev.radik@gmail.com

Regards,
Gadiev Radik

On Fri Nov 12 '10 11:07am, Alex Granovsky wrote
-----------------------------------------------
>Hi,

>did you disable the core parking feature of Win2K8 R2?
>It seems you do not, and you MUST do that, as there
>is a bug in the OS kernel scheduler algorithm (common
>to Win2K8 R2 and Windows 7; note that Win2K8 R1 does not
>have this bug) that causes all the threads to be scheduled
>to the single logical core. Please search forum to find how
>this can be done. Alternatively, you can reboot with
>Hyper-threading disabled in BIOS.

>Regards,
>Alex Granovsky
>
>
>On Fri Nov 12 '10 9:53am, GadievRadik wrote
>-------------------------------------------
>>Hi, Firefly still froze calculation (out file in attach)
>>On Thu Nov 11 '10 7:07pm, Alex Granovsky wrote
>>----------------------------------------------
>>>Hi,

>>>the program does not hang - it simply slows down because
>>>of severe resource over-subscription. Actually, you can find
>>>the warning message near the beginning of the output.

>>>The reason for over-subscription is that you are using very
>>>non-trivial input file which you in addition have tried to
>>>modify for your hardware configuration. However, the original
>>>input was designed to run on the specific hardware configuration
>>>and to get the most power of it. In particular, it affinitizes
>>>different classes of threads; and the scheme it uses together
>>>with your changes causes severe core over-subscription.

>>>I've attached the template input file which I hope will be
>>>much more suitable for your hardware configuration.

>>>Regards,
>>>Alex Granovsky
>>>
>>>
>>>On Thu Nov 11 '10 12:09pm, GadievRadik wrote
>>>--------------------------------------------
>>>>Hi, Dr. Granovsky, sorry for the late reply.

>>>>We just finished large MD simulation, and we totally ready to start FF8 calculations.

>>>>I first step we run simple input file. Firefly8 correctly detect all tesla card and run calculation, but after several steps, calculation froze without any error messages (see attach).  

>>>>Regards, Gadiev Radik

>>>>On Sun Nov 7 '10 11:57pm, Alex Granovsky wrote
>>>>----------------------------------------------
>>>>>Hi Radik,

>>>>>any news on your experiments with updated Firefly binaries?

>>>>>Regards,
>>>>>Alex Granovsky
>>>>>
>>>>>
>>>>>On Wed Oct 27 '10 10:57am, GadievRadik wrote
>>>>>--------------------------------------------
>>>>>>Hello,
>>>>>>I disable TDR feature, but still have same error in out file.

>>>>>>I tested system with latest hoomd-blue, it works perfect.
>>>>>>I guess, this due to the altered architecture of Fermi card.
>>>>>>Full support of this card start since cudatoolkit 3.1 release.

>>>>>>Thanks, Radik

>>>>>>On Tue Oct 26 '10 6:50pm, Alex Granovsky wrote
>>>>>>----------------------------------------------
>>>>>>>Hello,

>>>>>>>Teslas are labeled as not useable in the output because CUDA driver
>>>>>>>reports that there is an OS imposed limit on the execution
>>>>>>>of individual kernel. I do not think this is actually the case
>>>>>>>as Tesla is not a graphics card. While this is most likely just
>>>>>>>the driver's misreport, you have two options how to proceed.
>>>>>>>Namely, you can either completely disable the TDR feature
>>>>>>>via registry, or contact me off the list for the updated binaries.

>>>>>>>Regards,
>>>>>>>Alex Granovsky
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>On Tue Oct 26 '10 1:10pm, GadievRadik wrote
>>>>>>>-------------------------------------------
>>>>>>>>Does firefly 7.1G support calculation on latest Nvidia Fermi cards?
>>>>>>>>When i try run firefly on 3x tesla c2050, in out file cards labled as unsupported.

>>>>>>>>System Win Server 2009 r2
>>>>>>>>2x intel Xenon
>>>>>>>>3x Nvidia Tesla c2050
>>>>>>>>Cuda toolkit 2.3 and 3.2 installed both 32 and 64 bit installed.
>>>>>>>>All cuda tests passed.

>>>>>>>>Thanks