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SubjectRe: [BENCHMARK] 2.5.59-mm8 with contest
Con Kolivas <conman@kolivas.net> wrote:
>
> On Thu, 6 Feb 2003 07:37 am, Andrew Morton wrote:
> > Con Kolivas wrote:
> > > ..
> > >
> > > This seems to be creeping up to the same as 2.5.59
> > > ...
> > > and this seems to be taking significantly longer
> > > ...
> > > And this load which normally changes little has significantly different
> > > results.
> >
> > There were no I/O scheduler changes between -mm7 and -mm8. I
> > demand a recount!
>
> Repeated mm7 and mm8.
> Recount-One for Martin, two for Martin. Same results; not the i/o scheduler
> responsible for the changes, but I have a sneaking suspicion another
> scheduler may be.

Not sure.

With contest 0.60, io_load, ext3, with the scheduler changes:

Finished compiling kernel: elapsed: 161 user: 181 system: 16
Finished io_load: elapsed: 162 user: 0 system: 17 loads: 9
Finished compiling kernel: elapsed: 155 user: 179 system: 15
Finished io_load: elapsed: 155 user: 0 system: 17 loads: 9
Finished compiling kernel: elapsed: 166 user: 180 system: 15
Finished io_load: elapsed: 166 user: 0 system: 18 loads: 10


With the CPU scheduler changes backed out:

Finished compiling kernel: elapsed: 137 user: 181 system: 14
Finished io_load: elapsed: 138 user: 0 system: 9 loads: 5
Finished compiling kernel: elapsed: 142 user: 181 system: 14
Finished io_load: elapsed: 142 user: 0 system: 9 loads: 5
Finished compiling kernel: elapsed: 133 user: 181 system: 15
Finished io_load: elapsed: 133 user: 0 system: 12 loads: 7

So there's some diminution there, not a lot.


With no_load:

Finished compiling kernel: elapsed: 108 user: 179 system: 12
Finished no_load: elapsed: 108 user: 7 system: 12 loads: 0
Finished compiling kernel: elapsed: 107 user: 179 system: 13
Finished no_load: elapsed: 107 user: 7 system: 12 loads: 0
Finished compiling kernel: elapsed: 110 user: 178 system: 12
Finished no_load: elapsed: 110 user: 8 system: 14 loads: 0


It's very good either way. Probably with the scheduler changes we're
hitting a better balance.
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