atom feed192 messages in org.freebsd.freebsd-archRe: FreeBSD problems and preliminary ...
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Vadim GoncharovAug 17, 2011 4:09 pm 
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Robert WatsonAug 18, 2011 8:41 am 
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Robert WatsonAug 19, 2011 1:23 am 
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Robert WatsonAug 19, 2011 1:55 am 
Slawa OlhovchenkovAug 19, 2011 2:05 am 
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Robert N. M. WatsonAug 19, 2011 2:36 am 
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Kostik BelousovAug 19, 2011 2:26 pm 
Rick MacklemAug 19, 2011 3:38 pm 
Robert WatsonAug 19, 2011 3:57 pm 
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Lev SerebryakovAug 19, 2011 11:14 pm 
Robert WatsonAug 20, 2011 4:37 am 
Luigi RizzoAug 20, 2011 6:42 am 
Poul-Henning KampAug 20, 2011 7:10 am 
Robert N. M. WatsonAug 20, 2011 7:21 am 
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Diane BruceAug 25, 2011 1:12 pm 
119 later messages
Subject:Re: FreeBSD problems and preliminary ways to solve
From:Slawa Olhovchenkov (sl@zxy.spb.ru)
Date:Aug 19, 2011 2:22:20 am
List:org.freebsd.freebsd-arch

On Fri, Aug 19, 2011 at 09:41:41AM +0100, Robert Watson wrote:

There are a few known issues in terms of parallelism -- one is contention between the ithread and user thread on per-TCP connection locks. Another is that we still haven't managed to switch to per-CPU statistics for the network stack (which is fairly straight forward in a specific sense, but we'd like a proper abstraction for it so we can generalise).

After discussion in other place: may be perfomace improve if application resheduling on the same core, as processing incoming IP packet (hot CPU caсhe)?

-- Slawa Olhovchenkov

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