From: Nick Piggin <nickpiggin@yahoo.com.au>
To: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags
Date: Fri, 29 Jul 2005 02:01:14 +0000 [thread overview]
Message-ID: <42E98DEA.9090606@yahoo.com.au> (raw)
In-Reply-To: <200507290153.j6T1rYg03861@unix-os.sc.intel.com>
Chen, Kenneth W wrote:
>Nick Piggin wrote on Thursday, July 28, 2005 6:46 PM
>
>>I'd like to try making them less aggressive first if possible.
>>
>
>Well, that's exactly what I'm trying to do: make them not aggressive
>at all by not performing any load balance :-) The workload gets maximum
>benefit with zero aggressiveness.
>
>
Unfortunately we can't forget about other workloads, and we're
trying to stay away from runtime tunables in the scheduler.
If we can get performance to within a couple of tenths of a percent
of the zero balancing case, then that would be preferable I think.
Send instant messages to your online friends http://au.messenger.yahoo.com
WARNING: multiple messages have this Message-ID (diff)
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org
Subject: Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags
Date: Fri, 29 Jul 2005 12:01:14 +1000 [thread overview]
Message-ID: <42E98DEA.9090606@yahoo.com.au> (raw)
In-Reply-To: <200507290153.j6T1rYg03861@unix-os.sc.intel.com>
Chen, Kenneth W wrote:
>Nick Piggin wrote on Thursday, July 28, 2005 6:46 PM
>
>>I'd like to try making them less aggressive first if possible.
>>
>
>Well, that's exactly what I'm trying to do: make them not aggressive
>at all by not performing any load balance :-) The workload gets maximum
>benefit with zero aggressiveness.
>
>
Unfortunately we can't forget about other workloads, and we're
trying to stay away from runtime tunables in the scheduler.
If we can get performance to within a couple of tenths of a percent
of the zero balancing case, then that would be preferable I think.
Send instant messages to your online friends http://au.messenger.yahoo.com
next prev parent reply other threads:[~2005-07-29 2:01 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-28 23:08 Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags Chen, Kenneth W
2005-07-28 23:08 ` Chen, Kenneth W
2005-07-28 23:34 ` Nick Piggin
2005-07-28 23:34 ` Nick Piggin
2005-07-28 23:48 ` Chen, Kenneth W
2005-07-28 23:48 ` Chen, Kenneth W
2005-07-29 1:25 ` Nick Piggin
2005-07-29 1:25 ` Nick Piggin
2005-07-29 1:39 ` Chen, Kenneth W
2005-07-29 1:39 ` Chen, Kenneth W
2005-07-29 1:46 ` Nick Piggin
2005-07-29 1:46 ` Nick Piggin
2005-07-29 1:53 ` Chen, Kenneth W
2005-07-29 1:53 ` Chen, Kenneth W
2005-07-29 2:01 ` Nick Piggin [this message]
2005-07-29 2:01 ` Nick Piggin
2005-07-29 6:27 ` Chen, Kenneth W
2005-07-29 6:27 ` Chen, Kenneth W
2005-07-29 8:48 ` Nick Piggin
2005-07-29 8:48 ` Nick Piggin
2005-07-29 8:53 ` Ingo Molnar
2005-07-29 8:53 ` Ingo Molnar
2005-07-29 8:59 ` Nick Piggin
2005-07-29 8:59 ` Nick Piggin
2005-07-29 9:01 ` Ingo Molnar
2005-07-29 9:01 ` Ingo Molnar
2005-07-29 9:07 ` Ingo Molnar
2005-07-29 9:07 ` Ingo Molnar
2005-07-29 16:40 ` Ingo Molnar
2005-07-29 16:40 ` Ingo Molnar
2005-07-29 11:48 ` [patch] remove wake-balancing Ingo Molnar
2005-07-29 11:48 ` Ingo Molnar
2005-07-29 14:13 ` [sched, patch] better wake-balancing Ingo Molnar
2005-07-29 14:13 ` Ingo Molnar
2005-07-29 15:02 ` [sched, patch] better wake-balancing, #2 Ingo Molnar
2005-07-29 15:02 ` Ingo Molnar
2005-07-29 16:21 ` [sched, patch] better wake-balancing, #3 Ingo Molnar
2005-07-29 16:21 ` Ingo Molnar
2005-07-30 0:08 ` Nick Piggin
2005-07-30 0:08 ` Nick Piggin
2005-07-30 7:19 ` Ingo Molnar
2005-07-30 7:19 ` Ingo Molnar
2005-07-31 1:15 ` Nick Piggin
2005-07-31 1:15 ` Nick Piggin
2005-08-01 17:13 ` Siddha, Suresh B
2005-08-01 17:13 ` Siddha, Suresh B
2005-08-08 23:18 ` Chen, Kenneth W
2005-08-08 23:18 ` Chen, Kenneth W
2005-07-30 23:26 ` [sched, patch] better wake-balancing, #2 Chuck Ebbert
2005-07-30 23:26 ` Chuck Ebbert
2005-07-31 4:35 ` Con Kolivas
2005-07-31 4:35 ` Con Kolivas
2005-07-31 6:29 ` Ingo Molnar
2005-07-31 6:29 ` Ingo Molnar
2005-07-31 13:35 ` Chuck Ebbert
2005-07-31 13:35 ` Chuck Ebbert
2005-07-29 11:26 ` Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags Ingo Molnar
2005-07-29 11:26 ` Ingo Molnar
2005-07-29 17:30 ` Chen, Kenneth W
2005-07-29 17:30 ` Chen, Kenneth W
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