From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Can you commit the pcnet patch ?
Date: Thu, 21 Jul 2005 14:19:50 +0100 [thread overview]
Message-ID: <200507211419.51421.paul@codesourcery.com> (raw)
In-Reply-To: <20050721072943.GA24642@tuxedo.skovlyporten.dk>
On Thursday 21 July 2005 08:29, Lars Munch wrote:
> On Wed, Jul 20, 2005 at 12:32:10PM +0200, Ludovic Drolez wrote:
> > Hi !
> >
> > I've tried the latest AMD pcnet patch (made by Antony T Curtis) with qemu
> > 0.7 because I was tired of the sloooww PXE booting of my QEMU. For
> > exemple, to load a linux kernel + initrd over TFTP, it takes 4m30s with a
> > ne2000, and 1m35s with the PCNET card.
>
> Does anyone know why pcnet is so much faster than ne2000? is it easier
> to emulate? or is there room for improvements on the ne2000?
Probably because it's a DMA capable controller. IIRC the ne2k is pio based, so
has to shuffle the data through an IO port one byte at a time.
Paul
next prev parent reply other threads:[~2005-07-21 13:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-20 10:32 [Qemu-devel] Can you commit the pcnet patch ? Ludovic Drolez
2005-07-20 12:37 ` Paul Brook
2005-07-20 12:48 ` Christian MICHON
2005-07-21 15:32 ` Ludovic Drolez
2005-07-20 12:56 ` Ludovic Drolez
2005-07-20 14:26 ` Christian MICHON
2005-07-20 14:45 ` Christian MICHON
2005-07-20 15:19 ` Christian MICHON
2005-07-20 15:29 ` Paul Brook
2005-07-20 15:37 ` Filip Navara
2005-07-21 11:33 ` Christian MICHON
2005-07-21 16:43 ` Filip Navara
2005-07-21 20:21 ` Filip Navara
2005-07-21 20:54 ` Christian MICHON
2005-07-21 7:29 ` Lars Munch
2005-07-21 13:19 ` Paul Brook [this message]
2005-07-21 13:49 ` Christian MICHON
2005-07-21 19:10 ` Antony T Curtis
2005-07-21 21:14 ` Fabrice Bellard
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