Anybody on this, please? I'm sorry to insist, but I've posted on 24th
and on 27th but got no answer yet..
Best regards,
Robi
Roberto Nunnari wrote:
Hello.
Anybody on this, please? In the while, I went on a little bit and
implemented it as this:
[root@master ~]# qconf -sc | grep gpu
gpu gpu INT <= YES YES 0 0
[root@master ~]# qhost -F | grep gpu
hc:gpu=1.000000
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,
Robi
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
nodes)
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@master ~]# qhost -q
HOSTNAME ARCH NCPU LOAD MEMTOT MEMUSE SWAPTO
SWAPUS
-------------------------------------------------------------------------------
global - - - - - -
-
node01 linux-x64 64 14.33 94.4G 50.3G 186.3G
0.0
1h.q BIP 0/0/20
1d.q BP 0/0/20
long.q BP 0/0/20
Any help/tips/direction greatly appreciated! :-)
Robi
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