Re: [PATCH 0/4] sched: fork/exec/wake clean up

2012-12-06 Thread Alex Shi
On 12/05/2012 03:09 PM, Alex Shi wrote:
> On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi  wrote:
>> This patchset try to clean up select_task_rq_fair which used for
>> fork/exec/wake scheduling.
>>
>> With this patchset, our system NHM EX and SNB EP 4 socket machine
>> has 10% hackbench performance increase.
> 
> Any comments for this patchset?

Nick & Ingo:
Would you like to give some comments for this?


CC to more experts :)

Thanks!
Alex
>>
>> Regards
>> Alex
>>
>> [PATCH 01/4] sched: select_task_rq_fair clean up
>> [PATCH 02/4] sched: fix find_idlest_group mess logical
>> [PATCH 03/4] sched: don't need go to smaller sched domain
>> [PATCH 04/4] sched: remove domain iterations in fork/exec/wake
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>> the body of a message to majord...@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>> Please read the FAQ at  http://www.tux.org/lkml/
> 
> 
> 

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Re: [PATCH 0/4] sched: fork/exec/wake clean up

2012-12-06 Thread Alex Shi
On 12/05/2012 03:09 PM, Alex Shi wrote:
 On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi alex@intel.com wrote:
 This patchset try to clean up select_task_rq_fair which used for
 fork/exec/wake scheduling.

 With this patchset, our system NHM EX and SNB EP 4 socket machine
 has 10% hackbench performance increase.
 
 Any comments for this patchset?

Nick  Ingo:
Would you like to give some comments for this?


CC to more experts :)

Thanks!
Alex

 Regards
 Alex

 [PATCH 01/4] sched: select_task_rq_fair clean up
 [PATCH 02/4] sched: fix find_idlest_group mess logical
 [PATCH 03/4] sched: don't need go to smaller sched domain
 [PATCH 04/4] sched: remove domain iterations in fork/exec/wake
 --
 To unsubscribe from this list: send the line unsubscribe linux-kernel in
 the body of a message to majord...@vger.kernel.org
 More majordomo info at  http://vger.kernel.org/majordomo-info.html
 Please read the FAQ at  http://www.tux.org/lkml/
 
 
 

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Re: [PATCH 0/4] sched: fork/exec/wake clean up

2012-12-04 Thread Alex Shi
On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi  wrote:
> This patchset try to clean up select_task_rq_fair which used for
> fork/exec/wake scheduling.
>
> With this patchset, our system NHM EX and SNB EP 4 socket machine
> has 10% hackbench performance increase.

Any comments for this patchset?
>
> Regards
> Alex
>
> [PATCH 01/4] sched: select_task_rq_fair clean up
> [PATCH 02/4] sched: fix find_idlest_group mess logical
> [PATCH 03/4] sched: don't need go to smaller sched domain
> [PATCH 04/4] sched: remove domain iterations in fork/exec/wake
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/



-- 
Thanks
Alex
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Re: [PATCH 0/4] sched: fork/exec/wake clean up

2012-12-04 Thread Alex Shi
On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi alex@intel.com wrote:
 This patchset try to clean up select_task_rq_fair which used for
 fork/exec/wake scheduling.

 With this patchset, our system NHM EX and SNB EP 4 socket machine
 has 10% hackbench performance increase.

Any comments for this patchset?

 Regards
 Alex

 [PATCH 01/4] sched: select_task_rq_fair clean up
 [PATCH 02/4] sched: fix find_idlest_group mess logical
 [PATCH 03/4] sched: don't need go to smaller sched domain
 [PATCH 04/4] sched: remove domain iterations in fork/exec/wake
 --
 To unsubscribe from this list: send the line unsubscribe linux-kernel in
 the body of a message to majord...@vger.kernel.org
 More majordomo info at  http://vger.kernel.org/majordomo-info.html
 Please read the FAQ at  http://www.tux.org/lkml/



-- 
Thanks
Alex
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[PATCH 0/4] sched: fork/exec/wake clean up

2012-12-03 Thread Alex Shi
This patchset try to clean up select_task_rq_fair which used for 
fork/exec/wake scheduling.

With this patchset, our system NHM EX and SNB EP 4 socket machine
has 10% hackbench performance increase.

Regards
Alex

[PATCH 01/4] sched: select_task_rq_fair clean up
[PATCH 02/4] sched: fix find_idlest_group mess logical
[PATCH 03/4] sched: don't need go to smaller sched domain
[PATCH 04/4] sched: remove domain iterations in fork/exec/wake
--
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the body of a message to majord...@vger.kernel.org
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Please read the FAQ at  http://www.tux.org/lkml/


[PATCH 0/4] sched: fork/exec/wake clean up

2012-12-03 Thread Alex Shi
This patchset try to clean up select_task_rq_fair which used for 
fork/exec/wake scheduling.

With this patchset, our system NHM EX and SNB EP 4 socket machine
has 10% hackbench performance increase.

Regards
Alex

[PATCH 01/4] sched: select_task_rq_fair clean up
[PATCH 02/4] sched: fix find_idlest_group mess logical
[PATCH 03/4] sched: don't need go to smaller sched domain
[PATCH 04/4] sched: remove domain iterations in fork/exec/wake
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/