Re: [CFT][RFC] HT scheduler
From: Nick Piggin
Date: Thu Dec 11 2003 - 03:16:04 EST
Rhino wrote:
On Thu, 11 Dec 2003 18:24:20 +1100
Nick Piggin <piggin@xxxxxxxxxxxxxxx> wrote:
Nick Piggin wrote:
http://www.kerneltrap.org/~npiggin/w26/
Against 2.6.0-test11
Oh, this patchset also (mostly) cures my pet hate for the
last few months: VolanoMark on the NUMA.
http://www.kerneltrap.org/~npiggin/w26/vmark.html
The "average" plot for w26 I think is a little misleading because
it got an unlucky result on the second last point making it look
like its has a downward curve. It is usually more linear with a
sharp downward spike at 150 rooms like the "maximum" plot.
Don't ask me why it runs out of steam at 150 rooms. hackbench does
something similar. I think it might be due to some resource running
short, or a scalability problem somewhere else.
i didn't had the time to apply the patches (w26 and C1 from ingo )
on a vanilla t11, but i merged them with the wli-2,btw this one has really put
my box on steroids ;) .
You won't be able to merge mine with Ingo's. Which one put the box on
steroids? :)
none of them finished a hackbench 320 run, the OOM killed all of my
agetty's logging me out. the box is a 1way p4(HT) 1gb of ram
and no swap heh.
hackbench:
sched-rollup-w26 sched-SMT-2.6.0-test11-C1
50 4.839 50 5.200
100 9.415 100 10.090
150 14.469 150 14.764
time tar -xvjpf linux-2.6.0-test11.tar.bz2:
sched-rollup-w26 sched-SMT-2.6.0-test11-C1
real 43.396 real 23.136
^^^^^^
user 27.608 user 20.700
sys 4.039 sys 4.344
Wonder whats going on here? Is this my patch vs Ingo's with nothing else
applied?
How does plain 2.6.0-test11 go?
Thanks for testing.
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