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Old 01-05-2008, 03:24 AM
Douglas R. Probst
 
Posts: n/a
Default Re: p650 1.45Ghz Performance


"Timothy J. Bogart" <tbogart@frii.net> wrote in message
news:416328d2$0$202$75868355@news.frii.net...
> Eric.Jones wrote:
> >
> >>> System seems CPU bound....upgrade CPUs SASA

> >
> >
> >> The box in question has 1.4 GHz cpus in it and you can't up grade
> >> them. Doug

> >
> >
> > Hmmm, doesn't IBM offer an upgrade option for p650 owners --> p5-570 ??
> > As I remember from the announcement letter, you were not limited to
> > the original number of processors, either.
> >
> > From the high runqueue numbers posted, the system seems to have
> > more dispatchable work than CPUs to execute. With the Power5 SMT
> > feature might provide some benefits to this workload, & the ability
> > to have more than 4 CPUs would also be helpful.
> >
> > Eric

>
> Umm, folks, the OP already told us that it ran acceptably on 6 450 MHz
> previous generation processors - so it should be smokin on this machine.
>
> Shouldn't we be asking for more info, like:


Yep, that is why I asked all those questions .
You have to go back a few since the questions were sniped buy the IBM
salesmen ;-)
Doug


>
> Was it running on 5.2000-04 on the other machine?
>
> What differences in the progress configuration to tune it to less
> processors?
>
> Doesn't it seem a bit odd it is sys not usr that is hogging all the cpu?
>
> Even if one doesn't want to get and set up nmon, even topas or sar will
> give more information as to just what is hogging the system ....b



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