From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
alexander.eichhorn@rz.tu-ilmenau.de,
linux-kernel@vger.kernel.org
Subject: Re: [Question] Explanation of zero-copy networking
Date: Tue, 8 May 2001 09:18:11 +0200 [thread overview]
Message-ID: <20010508091811.C17720@pcep-jamie.cern.ch> (raw)
In-Reply-To: <E14wlUi-0003WQ-00@the-village.bc.nu> <Pine.LNX.3.95.1010507121212.4256A-100000@chaos.analogic.com>
In-Reply-To: <Pine.LNX.3.95.1010507121212.4256A-100000@chaos.analogic.com>; from root@chaos.analogic.com on Mon, May 07, 2001 at 12:12:57PM -0400
Richard B. Johnson wrote:
> However, PCI to memory copying runs at about 300 megabytes per
> second on modern PCs and memory to memory copying runs at over 1,000
> megabytes per second. In the future, these speeds will increase.
That would be "big expensive modern PCs" then. Our clusters of 700MHz
boxes are strictly limited to 132 megabytes per second over PCI...
-- Jamie
next prev parent reply other threads:[~2001-05-08 7:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-07 13:43 Alexander Eichhorn
2001-05-07 13:56 ` Alan Cox
2001-05-07 16:12 ` Richard B. Johnson
2001-05-07 17:53 ` Francois Romieu
2001-05-07 18:00 ` Blue Lang
2001-05-07 18:25 ` dean gaudet
2001-05-07 19:54 ` Richard B. Johnson
2001-05-07 20:23 ` dean gaudet
2001-05-08 11:09 ` Bjorn Wesen
2001-05-08 17:30 ` Alexander Eichhorn
2001-05-09 9:56 ` Reto Baettig
2001-05-07 18:30 ` Pekka Pietikainen
2001-05-07 19:00 ` Venkatesh Ramamurthy
2001-05-08 7:18 ` Jamie Lokier [this message]
2001-05-09 15:13 ` Eric W. Biederman
2001-05-07 18:21 ` dean gaudet
2001-05-07 21:59 ` Alan Cox
2001-05-08 16:20 ` Jamie Lokier
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