It may not be intuitive but if you normalize the wallclock in line with
the cpu then the ratio (or job efficiency) remains the same. Also jobs
on all speeds of cpu hit a wallclock limit after doing the same amount
of work.
John
> -----Original Message-----
> From: Testbed Support for GridPP member institutes [mailto:TB-
> [log in to unmask]] On Behalf Of Brew, CAJ (Chris)
> Sent: 20 October 2008 12:39
> To: [log in to unmask]
> Subject: Re: Enabling the gridpp VO (and providing a 72hr queue)
>
> And it doesn't have much meaning for sites that scale but CPU power.
>
> I have 72hr walltime queues but if you end up on a fast CPU that can
> actually be less than 36hrs real time.
>
> (I know this strikes me as odd as well but it's the way the T1 does it
> and it does sort of make sense.)
>
> Yours,
> Chris.
>
> > -----Original Message-----
> > From: Testbed Support for GridPP member institutes
> > [mailto:[log in to unmask]] On Behalf Of Alessandra Forti
> > Sent: 20 October 2008 12:16
> > To: [log in to unmask]
> > Subject: Re: Enabling the gridpp VO (and providing a 72hr queue)
> >
> > Hi Jeremy,
> >
> > I don't understand why 72hours (apaprt from the fact that it has
been
> > the default wall time in yaim for the past 2 years?
> >
> > cheers
> > alessandra
> >
> > Coles, J (Jeremy) wrote:
> > > Dear All
> > >
> > > Thank you to all sites that have now enabled the gridpp VO. A
> number
> > > have still not responded to the request made several times
> > over the last
> > > 4-6 months. If your site does not have the VO enabled
> > please could you
> > > let me know if you (do not) intend to enable it?
> > >
> > > For those sites that have enabled it, please could I ask
> > you to check
> > > the available queues? I have been asked if we can provide a
> > 72hr queue
> > > for use by some jobs submitted under the VO and the current
> > situation
> > > shows that this is only available at half the supporting sites:
> > >
> > >
> > > GridPP VO 72 hours queue
> > > ScotGrid
> > > UKI-SCOTGRID-DURHAM Yes Yes
> > > UKI-SCOTGRID-ECDF Yes No
> > > UKI-SCOTGRID-GLASGOW Yes Yes
> > >
> > > NorthGrid
> > > UKI-NORTHGRID-LANCS-HEP Yes No
> > > UKI-NORTHGRID-LIV-HEP Yes Yes
> > > UKI-NORTHGRID-MAN-HEP Yes Yes
> > > UKI-NORTHGRID-SHEF-HEP Yes Yes
> > >
> > > SouthGrid
> > > EDFA-JET Yes No
> > > UKI-SOUTHGRID-BHAM-HEP Yes Yes
> > > UKI-SOUTHGRID-BRIS-HEP Yes Yes
> > > UKI-SOUTHGRID-CAM-HEP No No
> > > UKI-SOUTHGRID-OX-HEP Yes Yes
> > > UKI-SOUTHGRID-RALPPD Yes Yes
> > >
> > > LondonGrid
> > > UKI-LT2-Brunel Yes No
> > > UKI-LT2-IC-HEP No No
> > > UKI-LT2-IC-LeSC Yes Yes
> > > UKI-LT2-QMUL No No
> > > UKI-LT2-RHUL Yes No
> > > UKI-LT2-UCL-CENTRAL No No
> > > UKI-LT2-UCL-HEP No No
> > >
> > >
> > > Many thanks for your help,
> > > Jeremy
> > >
> >
> > --
> > Alessandra Forti - NorthGrid Technical Coordinator
> > http://www.hep.manchester.ac.uk/computing/tier2
> >
> > Well you'll still need a tray
> >
> --
> Scanned by iCritical for STFC.
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