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Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-t

From: Alexander Graf
Subject: Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling
Date: Mon, 15 Feb 2010 09:24:53 +0100 
On 15.02.2010, at 07:12, OHMURA Kei wrote:

> dirty-bitmap-traveling is carried out by byte size in qemu-kvm.c.
> But We think that dirty-bitmap-traveling by long size is faster than by byte

"We think"? I mean - yes, I think so too. But have you actually measured it? 
How much improvement are we talking here?
Is it still faster when a bswap is involved?

Alex
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