Subject: Re: Efficient IPC mechanism on Linux
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Nick Piggin <piggin@cyberone.com.au>
Cc: Luca Veraldi <luca.veraldi@katamail.com>,
       Arjan van de Ven <arjanv@redhat.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
In-Reply-To: <3F5F0820.3090003@cyberone.com.au>
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	 <20030910095255.GA21313@mail.jlokier.co.uk>
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On Mer, 2003-09-10 at 12:16, Nick Piggin wrote:
> There was a zero-copy pipe implementation floating around a while ago
> I think. Did you have a look at that? IIRC it had advantages and
> disadvantages over regular pipes in performance.

FreeBSD had one, it was lightning fast until you used the data the other
end of the pipe. Im not sure what happened to it in the long term.


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