[GE users] qhost show wrong NCPU value

Thiep Duong Thiep.Duong at am.necel.com
Fri May 19 16:47:51 BST 2006


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Hi Reuti,

Thanks for the pointer --

Thiep

> this was already on the list before - just search for "exclusive" or so. 
> In short my way to do it:
> 
> - define a PE for each platform with a fixed allocation rule of no. of 
> CPUs in this platform
> - give them similar names, which can be requested with a wildcard
> - submit also serial jobs with "-pe excl* 2-99 - R y" (set 
> max_reservation 20 in the scheduler configuration [or to a value more 
> appropriate for your job-turnaround])
> 
> on whatever platform you end up, you will have all slots inside this 
> machine.
> 
> (Other way maybe to request a consumable resource like virtual_free and 
> simply specify the complete amount in the machine, but this will work 
> only in uniform clusters, or if you need to end up on one specific 
> platform anyway).
> 
> HTH - Reuti

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