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From: Karim Yaghmour <karim@opersys.com>
To: Pavel Mironchik <p.mironchik@sam-solutions.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel / Userspace Data Transfer
Date: Mon, 29 Mar 2004 09:29:59 -0500	[thread overview]
Message-ID: <406832E7.6040100@opersys.com> (raw)
In-Reply-To: <20040329124542.019edd8b.p.mironchik@sam-solutions.net>


Pavel Mironchik wrote:
> The best Userspace-kernelspace-Userspace transfer thing is soket.
> Unix or TCP/UDP sockets API is avaible from kernel space.
> You should use it...

Sockets suck for the kind of application relayfs is used for. Try
running LTT on sockets, for example, and let me know what type of
performance you get. For simple transfers, maybe, but for real
high-speed, large scale data transfers, sockets just don't cut it.
That's where relayfs is most useful.

Karim
-- 
Author, Speaker, Developer, Consultant
Pushing Embedded and Real-Time Linux Systems Beyond the Limits
http://www.opersys.com || karim@opersys.com || 1-866-677-4546


  parent reply	other threads:[~2004-03-29 14:24 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-29  2:47 Kernel / Userspace Data Transfer lml
2004-03-29  3:37 ` Karim Yaghmour
2004-03-29  9:45   ` Pavel Mironchik
2004-03-29  9:09     ` Emmanuel Fleury
2004-03-29 14:29     ` Karim Yaghmour [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-03-29  4:57 Ross Dickson
2004-03-29  9:50 tigran

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