Re: Possible evidence of performance regression for 8.1-S (vs. 7.1)

2010-10-26 Thread David Wolfskill
On Tue, Oct 26, 2010 at 02:03:34PM +0200, Ivan Voras wrote: > ... > Since you now have the two kernels readily available, can you rule out > NFS by just repeating the step which involves it in both kernels and > compare the results? On Tue, Oct 26, 2010 at 02:47:11PM +0200, Ivan Voras wrote: > ...

Re: Possible evidence of performance regression for 8.1-S (vs. 7.1)

2010-10-26 Thread David Wolfskill
On Tue, Oct 26, 2010 at 10:34:08AM -0400, Mike Tancsa wrote: > At 07:29 AM 10/26/2010, David Wolfskill wrote: > > >OK -- but we were using the default scheduler in each case. The basic > >point I'm making here is the apparent performance regression for > >similarly-configured systems under 7.1 vs

Re: Possible evidence of performance regression for 8.1-S (vs. 7.1)

2010-10-26 Thread Mike Tancsa
At 07:29 AM 10/26/2010, David Wolfskill wrote: OK -- but we were using the default scheduler in each case. The basic point I'm making here is the apparent performance regression for similarly-configured systems under 7.1 vs. 8.1. ULE is the default in 7 as well. Perhaps remove some of the k

Re: Possible evidence of performance regression for 8.1-S (vs. 7.1)

2010-10-26 Thread David Wolfskill
On Mon, Oct 25, 2010 at 10:09:53PM -0700, Julian Elischer wrote: > ... > >It appears to me that the last test runs show results that are just > >about identical to the "native" 8.1-S kernel+userland, so if I > >understand the logic correctly, that appears to implicate something in > >the 8.1-S kern