[torqueusers] only one processor is used when using qsub -l procs flag

Gustavo Correa gus at ldeo.columbia.edu
Fri Jan 13 09:26:30 MST 2012


Hi Xiangqian

Is it a typo in your email or did you comment out this line in your Torque/PBS script?
[Note the double hash ##.]

> ##PBS -l procs=3

Have you tried this form instead?

#PBS -l nodes=1:ppn=3

For more details check 'man qsub' and 'man pbs_resources'.

I hope it helps,
Gus Correa

On Jan 13, 2012, at 4:10 AM, Xiangqian Wang wrote:

> my demo torque+maui cluster has one node with np=4 set fot it. i want to submit a job requesting 3 processors, but when it start to run, i see only one processor is used (qstat shows "exec_host = snode02/0").
>  
> i use torque 2.5.6 and maui 3.3.1. anyone can help me out, it'll be greatly appreciated
>  
> the submit script is something like:
>  
> #!/bin/sh
> #PBS -N procsjob
> ##PBS -l procs=3
> #PBS -q batch
> the output of checkjob is :
>  
> checking job 33
> State: Running
> Creds:  user:wangxq  group:wangxq  class:batch  qos:DEFAULT
> WallTime: 00:00:00 of 1:00:00
> SubmitTime: Fri Jan 13 17:07:43
>   (Time Queued  Total: 00:00:01  Eligible: 00:00:01)
> StartTime: Fri Jan 13 17:07:44
> Total Tasks: 1
> Req[0]  TaskCount: 1  Partition: DEFAULT
> Network: [NONE]  Memory >= 0  Disk >= 0  Swap >= 0
> Opsys: [NONE]  Arch: [NONE]  Features: [NONE]
> Exec:  ''  ExecSize: 0  ImageSize: 0
> Dedicated Resources Per Task: PROCS: 1
> Utilized Resources Per Task:  [NONE]
> Avg Util Resources Per Task:  [NONE]
> Max Util Resources Per Task:  [NONE]
> NodeAccess: SHARED
> NodeCount: 0
> Allocated Nodes:
> [snode02:1]
> Task Distribution: snode02
> 
> IWD: [NONE]  Executable:  [NONE]
> Bypass: 0  StartCount: 1
> PartitionMask: [ALL]
> Flags:       RESTARTABLE
> Reservation '33' (00:00:00 -> 1:00:00  Duration: 1:00:00)
> PE:  1.00  StartPriority:  1
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