[GE users] Help: Slots Problem
openlinuxsource at gmail.com
Tue Sep 16 13:03:18 BST 2008
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2008/9/15 Sean Davis <sdavis2 at mail.nih.gov>
> On Sun, Sep 14, 2008 at 9:06 AM, Lee Amy <openlinuxsource at gmail.com>
> > 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
> >>> total amount of processors on one machine. For example, when I specific
> >>> number of tgicl it will execute as the same number of threads. However,
> >>> still shows the job is taking up 1 slot. But I have set 4 cores to run
> >>> 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
> >> complex (qconf -sc). And for restricting the usage of CPUs per tgicl
> >> you may force to request the complex by your program. Then you could set
> >> 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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> Should I use loose integration to replace tight integration? Because I just
enable the corresponding slots.
Thank you very much~
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