Re: IO CPU affinity test results

From: Alan D. Brunelle
Date: Fri Mar 14 2008 - 11:55:34 EST


4-way IA64, better, but not good after 30 runs (in single user mode):

Part RQ MIN AVG MAX Dev
----- -- ------ ------ ------ ------
mkfs 0 18.893 19.429 20.129 0.351
mkfs 1 18.912 19.347 19.934 0.258

untar 0 17.007 17.538 18.829 0.416
untar 1 16.980 17.329 18.369 0.284

make 0 22.050 23.000 23.546 0.400
make 1 22.416 23.141 23.637 0.349

comb 0 58.138 59.967 61.923 0.793
comb 1 58.428 59.817 60.750 0.608

psys 0 7.69% 8.77% 9.93% 0.443
psys 1 8.47% 14.20% 16.33% 2.566

Better run time w/ rq=1 (only 0.25%) but at a huge cost in %sys. Will do some profiling to see what's up.

Alan
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