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From: Arjan van de Ven <>
To: Gergely Imre <>
Subject: Re: irq balancing question
Date: Fri, 23 Feb 2007 20:01:29 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

> and i guess it doesn't matter if the distribution is being done by the
> hardware, from the point of view of the kernel, i would still get the
> performance penalty.

for the cache bouncing you save assuming you have an Intel cpu (eg one
where the cache is shared). You don't save on the cross-cpu reassembly,
that is an entire different algorithm path you hit there..

> i'm just trying to figure it out, i have no real knowledge of the inner
> kernel workings, so i dont know. but i really would like to use all 4 cores.
> just how expensive is that reassembly path ?

depends on your traffic to be honest, probably a question more suited
for net-dev list.

if you want to mail me at work (you don't), use arjan (at)
Test the interaction between Linux and your BIOS via

  reply	other threads:[~2007-02-23 19:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-23 11:32 Imre Gergely
2007-02-23 14:45 ` Arjan van de Ven
2007-02-23 14:58   ` Gergely Imre
2007-02-23 15:54     ` Arjan van de Ven
2007-02-23 18:51       ` Gergely Imre
2007-02-23 19:01         ` Arjan van de Ven [this message]
2007-02-23 20:57           ` Gergely Imre
     [not found] <fa.o8VX4Uax4/>
2007-02-23 14:39 ` Robert Hancock
  -- strict thread matches above, loose matches on Subject: below --
2005-12-15 14:00 Pallipadi, Venkatesh
2005-11-17  8:28 ` JaniD++
2005-12-15  0:48 Pallipadi, Venkatesh
2005-12-15  9:10 ` JaniD++
2005-12-14 21:05 JaniD++
2005-12-14 21:16 ` Arjan van de Ven
2005-12-14 21:31   ` JaniD++

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