Re: [bgl-discuss] RM bug or user error?

[Narayan Desai <desai@xxxxxxxxxxx>]

>>>>> "Chad" == Chad Glendenin <chad@xxxxxxxxxxx> writes:

  Chad> Is there a requirement that the number of nodes be a power of
  Chad> 2 or anything like that?

  Chad> I'm running a scalability study with a simple Poisson
  Chad> solver. It runs either with a linear (1xP = P_total) or a
  Chad> square (PxP = P_total) processor topology, so I'm trying to do
  Chad> each run with a perfect-square number of CPUs. I have no
  Chad> problems running it on 1, 4, 9, 16, or 25 nodes, but with 36
  Chad> nodes, it gets stuck in the queue forever and never runs.

  Chad> Am I doing something wrong with qsub?

  >> qsub -t 10 -c 36 -n 36 -C /home/chad/log
  >> /home/chad/cs340/bgl/1d/block
  Chad> 36000 1000 0 0 0.1 4

  Chad> I'm trying to get a 1-to-1 relationship between processes and
  Chad> CPUs on each test run.

  Chad> Thanks, ccg

  Chad> P.S. It looks like a qsub request for 49 nodes just got stuck
  Chad> too.

I don't see any jobs in the queue. did they finish between when you
sent the mail and now?
 -nld

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