Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags

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To: Ingo Molnar <[email protected]>
Subject: Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags
From: Nick Piggin <[email protected]>
Date: Fri, 29 Jul 2005 18:59:09 +1000
Cc: "Chen, Kenneth W" <[email protected]>, [email protected], [email protected]
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Ingo Molnar wrote:

* Nick Piggin <[email protected]> wrote:

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?


Localhost. Yeah it isn't a real world test, but it does show the
erratic behaviour without wake affine.

I don't have a setup with multiple fast network adapters otherwise
I would have run a similar test using a real network.

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References:
- RE: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags
  - From: "Chen, Kenneth W" <[email protected]>
- Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags
  - From: Nick Piggin <[email protected]>
- Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags
  - From: Ingo Molnar <[email protected]>

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