Messages in this thread | | | Date | Wed, 09 Jan 2013 17:28:44 +0800 | From | Michael Wang <> | Subject | Re: [RFC PATCH 0/2] sched: simplify the select_task_rq_fair() |
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On 12/27/2012 02:08 PM, Michael Wang wrote: > This patch set is trying to simplify the select_task_rq_fair() with > schedule balance map. > > After get rid of the complex code and reorganize the logical, pgbench show > the improvement. > > Prev: > | db_size | clients | tps | > +---------+---------+-------+ > | 22 MB | 1 | 4437 | > | 22 MB | 16 | 51351 | > | 22 MB | 32 | 49959 | > | 7484 MB | 1 | 4078 | > | 7484 MB | 16 | 44681 | > | 7484 MB | 32 | 42463 | > | 15 GB | 1 | 3992 | > | 15 GB | 16 | 44107 | > | 15 GB | 32 | 41797 | > > Post: > | db_size | clients | tps | > +---------+---------+-------+ > | 22 MB | 1 | 11053 | +149.11% > | 22 MB | 16 | 55671 | +8.41% > | 22 MB | 32 | 52596 | +5.28% > | 7483 MB | 1 | 8180 | +100.59% > | 7483 MB | 16 | 48392 | +8.31% > | 7483 MB | 32 | 44185 | +0.18% > | 15 GB | 1 | 8127 | +103.58% > | 15 GB | 16 | 48156 | +9.18% > | 15 GB | 32 | 43387 | +3.8% > > Please check the patch for more details about schedule balance map, they > currently based on linux-next 3.7.0-rc6, will rebase them to tip tree in > follow version. > > Comments are very welcomed.
Could I get some comments for this patch set?
Regards, Michael Wang
> > Test with: > 12 cpu X86 server and linux-next 3.7.0-rc6. > > Michael Wang (2): > [PATCH 1/2] sched: schedule balance map foundation > [PATCH 2/2] sched: simplify select_task_rq_fair() with schedule balance map > > Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com> > --- > core.c | 61 +++++++++++++++++++++++++++++ > fair.c | 133 +++++++++++++++++++++++++++++++++------------------------------- > sched.h | 28 +++++++++++++ > 3 files changed, 159 insertions(+), 63 deletions(-) >
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