[GE users] Help: Slots Problem

Lee Amy openlinuxsource at gmail.com
Sat Sep 13 16:40:28 BST 2008


    [ The following text is in the "ISO-8859-1" character set. ]
    [ Your display is set for the "ISO-8859-10" character set.  ]
    [ Some special characters may be displayed incorrectly. ]

2008/9/13 Rayson Ho <rayrayson at gmail.com>

> You need to setup a PE (Parallel Environment) to let SGE know the real
> number of CPUs used by the OpenMP jobs.
>
> However, the PE would be much simpiler than an MPI PE, as you don't
> need to deal with the remote tasks at startup and shutdown.
>
> Rayson
>
>
>
> On 9/13/08, Lee Amy <openlinuxsource at gmail.com> 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
> >
> >
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe at gridengine.sunsource.net
> For additional commands, e-mail: users-help at gridengine.sunsource.net
>
> Thank you. But I don't run any OpenMP program, the tgicl has a parameter to
determine how many CPU to utilize. So by your words, if I want to use 4
cores I need to build a PE, right?

Regards,

Amy



More information about the gridengine-users mailing list