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Re: [PLEASE-TESTME] Zerocopy networking patch, 2.4.0-1

To: sct@xxxxxxxxxx (Stephen C. Tweedie)
Subject: Re: [PLEASE-TESTME] Zerocopy networking patch, 2.4.0-1
From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 9 Jan 2001 14:33:13 +0000 (GMT)
Cc: mingo@xxxxxxx (Ingo Molnar), hch@xxxxxxxxxx (Christoph Hellwig), davem@xxxxxxxxxx (David S. Miller), riel@xxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, sct@xxxxxxxxxx (Stephen Tweedie)
In-reply-to: <20010109142542.G4284@xxxxxxxxxx> from "Stephen C. Tweedie" at Jan 09, 2001 02:25:42 PM
Sender: owner-netdev@xxxxxxxxxxx
> Bad bad bad.  We already have SCSI devices optimised for bandwidth
> which don't approach decent performance until you are passing them 1MB
> IOs, and even in networking the 1.5K packet limit kills us in some

Even low end cheap raid cards like the AMI megaraid dearly want 128K writes.
Its quite a difference on them


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