[GE users] qacct WALLCLOCK interpretation

Rayson Ho rayrayson at gmail.com
Tue May 29 17:02:42 BST 2007


    [ 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. ]

If they are using more CPUs than SGE allocates them...

eg. a multithreaded job (including OpenMP) submitted as a serial job
running on an SMP machine.

Rayson



On 5/29/07, Greg Lukeman <glukeman at stfx.ca> wrote:
> Hi All,
>
> As far as I understand (probably not far), when qacct reports
> WALLCLOCK for a job, it sums up the ru_wallclock for each parallel
> task.  Similarly when qacct reports CPU for a job, it sums up the cpu
> for each parallel task.
>
> In what situations, then, could qacct show CPU greater than WALLCLOCK?
>
> I have some users for whom CPU is significantly (like 7x) greater.
>
> Cheers,
>
> Greg
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe at gridengine.sunsource.net
> For additional commands, e-mail: users-help at gridengine.sunsource.net
>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe at gridengine.sunsource.net
For additional commands, e-mail: users-help at gridengine.sunsource.net




More information about the gridengine-users mailing list