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Re: [Qemu-devel] Memory VS Swap Space

From: Joe Menola
Subject: Re: [Qemu-devel] Memory VS Swap Space
Date: Sun, 11 Jul 2004 17:27:52 -0500
User-agent: KMail/1.6.82

On Sun July 11 2004 5:08 pm, Jeff Jones wrote:
> Hello,
> Does the guest OS (in this case Mandrake-10.0) actually use the host
> OS' physical memory or is it all done with virtual memory/swap space?
> I know that the qemu application uses Mac OSX memory because it's an
> application running on OS X.  However, I've noticed that increasing
> the memory in the qemu command from 128 to 256 really doesn't have
> much of an effect on boot-up or overall performance.

My system monitor shows Qemu using physical memory if it's available. Just as 
any application will. 
The bog is at the cpu level, I'm 0% idle whenever Qemu is running even the 
smallest task. 
Even ram must pass through the cpu, which is why changes in ram have little/no 
effect on performance.
At least that's what I'm seeing... I should add that I know nothing. lol


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