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Re: [Qemu-devel] QEMU with KNOPPIX

From: John R. Hogerhuis
Subject: Re: [Qemu-devel] QEMU with KNOPPIX
Date: Wed, 25 Aug 2004 23:13:01 -0700

On Wed, 2004-08-25 at 22:19, Kuniyasu Suzaki wrote:

> If you have any suggestions, please post.

Need to think of some ways to speed it up. It took several minutes to

Where are the possible optimizations?

Could we do a "save state" type operation and jump straight to loaded
Knoppix desktop?

Seems to be a lot of CDROM activity. That is the nature of Knoppix, and
that definitely slows Knoppix down, but for some reason it sounded
really choppy to me. I'm wondering if there is anything we can do to
speed up cd access. Maybe on a machine with a lot of RAM it could be
read into RAM, or perhaps just copied to hard drive in one step and run
from there. Some or all apps could be decompressed. I think Knoppix has
something like this.

It's a complex set up, but some profiling might be in order... see how
well QEMU translation cache is performing, and see if there is a lot of
time spent in certain types of code that could be sped up in QEMU.

I agree with you that Kazu's recent QEMU on Windows was indeed the heavy
lifting, but there's still plenty to do on (Knoppix On (QEMU On
Windows)) to make it really usable. Which I think it can be, and on some
machines maybe it already is...

-- John.

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