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SubjectRE: scale sysctl_sched_shares_ratelimit with nr_cpus
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>>-----Original Message-----
>>From: Ingo Molnar [mailto:mingo@elte.hu]
>>Sent: Monday, August 18, 2008 2:52 PM
>>To: Zhang, Yanmin
>>Cc: a.p.zijlstra@chello.nl; Linux Kernel Mailing List
>>Subject: Re: scale sysctl_sched_shares_ratelimit with nr_cpus
>>
>>
>>* Zhang, Yanmin <yanmin.zhang@intel.com> wrote:
>>
>>> Ingo,
>>>
>>> My linux mailbox is locked, so I send from my another mail box.
>>>
>>> I tested the patch of scale sysctl_sched_shares_ratelimit with
nr_cpus
>>> on 16-core tigerton by volanoMark. CONFIG_GROUP_SCHED=y. Comparing
>>> with pure 2.6.27-rc3, the patched kernel has about 15% improvement,
>>> and it seems volanoMark runs more smoothly with the patched kernel.
>>
>>cool. It's already upstream (post-rc3 commit):
[YM] But comparing with 2.6.26, volanoMark result still has about 60%
regression.

>>
>> 55cd534: sched: scale sysctl_sched_shares_ratelimit with nr_cpus
>>
>> Ingo


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