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sched: fine-tune SD_MC_INIT
authorMike Galbraith <efault@gmx.de>
Fri, 7 Nov 2008 14:26:50 +0000 (15:26 +0100)
committerIngo Molnar <mingo@elte.hu>
Fri, 7 Nov 2008 14:35:11 +0000 (15:35 +0100)
commit14800984706bf6936bbec5187f736e928be5c218
tree09b462191420a5652601a30711211693fb0e3239tree | snapshot
parentca3273f9646694e0419cfb9d6c12deb1c9aff27ccommit | diff
sched: fine-tune SD_MC_INIT

Tune SD_MC_INIT the same way as SD_CPU_INIT:
unset SD_BALANCE_NEWIDLE, and set SD_WAKE_BALANCE.

This improves vmark by 5%:

vmark         132102 125968 125497 messages/sec    avg 127855.66    .984
vmark         139404 131719 131272 messages/sec    avg 134131.66   1.033

Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 # *DOCUMENTATION*
include/linux/topology.h diff | blob | history
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