[GE users] Help: Slots Problem

Sean Davis sdavis2 at mail.nih.gov
Mon Sep 15 00:09:05 BST 2008

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On Sun, Sep 14, 2008 at 9:06 AM, Lee Amy <openlinuxsource at gmail.com> wrote:
> 2008/9/14 Ravi Chandra Nallan <Ravichandra.Nallan at sun.com>
>> Lee Amy wrote:
>>> Hello,
>>> I build a small cluster with 5 nodes, every node has 2 Opteron 270 HE
>>> processors(4 cores). There's a program I always called "TGICL" can use the
>>> total amount of processors on one machine. For example, when I specific CPU
>>> number of tgicl it will execute as the same number of threads. However, SGE
>>> still shows the job is taking up 1 slot. But I have set 4 cores to run on
>>> one node.
>>> So my problem is how to let SGE know the "real" taking-up slots?
>>> Thank you very much~
>>> Regards,
>>> Amy Lee
>> If you want SGE to know the no. of CPU's used by tgicl you could use a new
>> complex (qconf -sc). And for restricting the usage of CPUs per tgicl program
>> you may force to request the complex by your program. Then you could set the
>> complex value at host level and making it consumable should do the job.

Just to come back here, using a parallel environment with $pe_slots as
the allocation method is an exact fit for the original post.  I don't
think there is a need to involve complexes, etc.


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