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Subjectscheduler improvements : 2.6.21 vs 2.6.22-ck1 vs 2.6.23-rc6

Warning: I have not run any benchmarks. One thing I am (more or less)
able to measure is my own ability to headshot in some games like UT99.
The other thing is to see if flash videos stutter or die under load.
Please remember, this is about desktop usage - not numbers.

my computer:
PIII-S 1400 (512KB L2)
TUSL2-C (i815ep)
512MB PC133
FireGL 8800 (~Radeon 8500 128MB) with dri drivers


Hello Ingo, LKML,

Here are the results of a few informal tests (flash videos, playing
UT99, and looping kernel compilation in background).

* 2.6.21.5 is OK but interactivity is not good (i.e. I sometimes
get "lag" under load).

* 2.6.22-ck1 is better, interactivity-wise, but becomes unusable under
load (i.e. a kernel compilation + desktop switch breaks flash
videos ; UT99 is too slow when compiling too).

* 2.6.23-rc6 is... perfect, as good as can be on my old PC. Flash never
breaks even on high I/O or compilation load (within reasonable
limits). Gaming is great, which wasn't the case before.

Thanks for the good work.

Best,

François
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