[gridengine users] help on adding a gpgpu to a cpu cluster
roberto.nunnari at supsi.ch
Tue May 28 08:20:13 UTC 2013
Anybody on this, please? I'm sorry to insist, but I've posted on 24th
and on 27th but got no answer yet..
Roberto Nunnari wrote:
> Anybody on this, please? In the while, I went on a little bit and
> implemented it as this:
> [root at master ~]# qconf -sc | grep gpu
> gpu gpu INT <= YES YES 0 0
> [root at master ~]# qhost -F | grep gpu
> Now users can access the gpu by specifying 'qsub -l gpu=1'
> I haven't defined a specialized queue for the gpu, and I see that when
> the job is running on the gpu, the sceduler also reserves a cpu slot on
> that host.. that's good because a gpu job will also consume cpu time..
> More hints, tips or advices, please?
> Thank you and best regards,
> Roberto Nunnari wrote:
>> Hi all.
>> I just doing my first tests with Open Grid Scheduler and GPGPU.
>> To do the testing I set up opengridscheduler on two hosts, one is the
>> frontend, and one is the execution node. The execution node has 64 cores
>> and a nvidia tesla M2090. (Most probably, the final solution will be
>> made up of one master, 20-30 execution nodes with 8-12 cores each, and a
>> couple of file servers, and 4-8 GPUs attached to some of the execution
>> At present I set up my testing environment queues, similar to the
>> existing production cluster.. so the scheduler has three queues,
>> 1hour, 1day, and unlimited.
>> I believe I once was told that the best way to add GPGPUs to a CPU
>> cluster, was by adding a queue dedicated to the GPUs and consumable
>> resources.. maybe also play with priorities to use CPUs on hosts with
>> GPUs.. do you agree?
>> I also was told that OpenGridScheduler has added support for GPUs..
>> Could anybody tell me more on that, please?
>> So.. I'm new to GPUs and would like some help/direction from the experts
>> on how to make a mixed cluster CPUs/GPUs using OpenGridScheduler.
>> here's my environment:
>> - OGS/GE 2011.11p1
>> - CentOS 6.4
>> [root at master ~]# qhost -q
>> HOSTNAME ARCH NCPU LOAD MEMTOT MEMUSE SWAPTO
>> global - - - - - -
>> node01 linux-x64 64 14.33 94.4G 50.3G 186.3G
>> 1h.q BIP 0/0/20
>> 1d.q BP 0/0/20
>> long.q BP 0/0/20
>> Any help/tips/direction greatly appreciated! :-)
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