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Date: Tue,  2 Nov 2004 14:04:26 +0100
From: zitu <zitu@free.fr>
Subject: Re: [Qemu-devel] QEMU newbie : disk access slowness
References: <28e6af6104110111337a69d5dd@mail.gmail.com>
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To: qemu-devel@nongnu.org

Quoting Matthew Frederico <mfrederico@gmail.com>:
> Anybody have any pointers or tips as fars speeding up my hard disk
> access with QEMU?

On win XP host, recompiling with gcc-3.3.3 instead of gcc-3.2.3 gave
some improvements. But the top is a certain patch posted some weeks
ago. See below...

(Host is winXPpro, guest is bbc-2.1.iso cdrom)
(all my recompilations are with msys/mingw+gcc-3.3.3)

qemu-0.6.0 (binaries from qemu's website)           =3D ~17 MB/s
qemu-0.6.0 (recompiled with msys/mingw+gcc-3.3.3)   =3D ~17.5 MB/s
qemu-0.6.1 (cvs *with* suggested pci-ide DMA PATCH) =3D ~47 MB/s !!!! :))

Please look back at this mailing list archives to get the
"suggested pci-ide DMA PATCH".

Zitu
--