From: Ingo Molnar <mingo@elte.hu>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>,
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 08:53:40 +0000 [thread overview]
Message-ID: <20050729085340.GA8699@elte.hu> (raw)
In-Reply-To: <42E9ED47.1030003@yahoo.com.au>
* Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Well, you can easily see suboptimal scheduling decisions on many
> programs with lots of interprocess communication. For example, tbench
> on a dual Xeon:
>
> processes 1 2 3 4
>
> 2.6.13-rc4: 187, 183, 179 260, 259, 256 340, 320, 349 504, 496, 500
> no wake-bal: 180, 180, 177 254, 254, 253 268, 270, 348 345, 290, 500
>
> Numbers are MB/s, higher is better.
what type of network was used - localhost or a real one?
Ingo
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@elte.hu>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>,
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 10:53:40 +0200 [thread overview]
Message-ID: <20050729085340.GA8699@elte.hu> (raw)
In-Reply-To: <42E9ED47.1030003@yahoo.com.au>
* Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Well, you can easily see suboptimal scheduling decisions on many
> programs with lots of interprocess communication. For example, tbench
> on a dual Xeon:
>
> processes 1 2 3 4
>
> 2.6.13-rc4: 187, 183, 179 260, 259, 256 340, 320, 349 504, 496, 500
> no wake-bal: 180, 180, 177 254, 254, 253 268, 270, 348 345, 290, 500
>
> Numbers are MB/s, higher is better.
what type of network was used - localhost or a real one?
Ingo
next prev parent reply other threads:[~2005-07-29 8:53 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
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 [this message]
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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