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Re: e1000 performance hack for ppc64 (Power4)

To: ltd@xxxxxxxxx
Subject: Re: e1000 performance hack for ppc64 (Power4)
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Fri, 13 Jun 2003 23:08:50 -0700 (PDT)
Cc: anton@xxxxxxxxx, haveblue@xxxxxxxxxx, hdierks@xxxxxxxxxx, scott.feldman@xxxxxxxxx, dwg@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, milliner@xxxxxxxxxx, ricardoz@xxxxxxxxxx, twichell@xxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <5.1.0.14.2.20030614154954.026b4768@mira-sjcm-3.cisco.com>
References: <5.1.0.14.2.20030614114755.036abbb0@mira-sjcm-3.cisco.com> <20030613.224122.104034261.davem@redhat.com> <5.1.0.14.2.20030614154954.026b4768@mira-sjcm-3.cisco.com>
Sender: netdev-bounce@xxxxxxxxxxx
   From: Lincoln Dale <ltd@xxxxxxxxx>
   Date: Sat, 14 Jun 2003 15:52:35 +1000
   
   can we have the TCP retransmit side take a performance hit if it needs to 
   realign buffers?
   
You don't understand, the person who mangles the packet
must make the copy, not the person not doing the packet
modifications.

   for a "high performance app" requiring gigabit-type speeds,

...we probably won't be using ppc64 and e1000 cards, yes, I agree
:-)

Anton, go to the local computer store and pick up some tg3
cards or a bunch of Taiwan specials :-)

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