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Re: bad TSO performance in 2.6.9-rc2-BK

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: bad TSO performance in 2.6.9-rc2-BK
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Wed, 22 Sep 2004 15:04:25 -0700
Cc: niv@xxxxxxxxxx, ak@xxxxxxx, anton@xxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20040922215657.GB2619@xxxxxxxxxxxxx>
References: <20040920063012.GL2825@krispykreme> <20040920203021.GD4242@xxxxxxxxxxxxx> <20040921155835.18aee381.davem@xxxxxxxxxxxxx> <20040922140000.GD27432@xxxxxxxxxxxxx> <20040922111209.7887df53.davem@xxxxxxxxxxxxx> <20040922195515.GA2619@xxxxxxxxxxxxx> <4151DB6C.8050906@xxxxxxxxxx> <20040922133011.5885640b.davem@xxxxxxxxxxxxx> <20040922215657.GB2619@xxxxxxxxxxxxx>
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On Wed, 22 Sep 2004 23:56:57 +0200
Andi Kleen <ak@xxxxxxx> wrote:

> I suspect with a slow bus you can also see advantages
> on 1Gb/s.

Yes, that's true.

I can keep a gigabit line full on my slow 350MHZ
sparc64 boxes except when the card is in a
33Mhz/32-bit PCI slot.


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