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From: | Avi Kivity |
Subject: | [Qemu-devel] Re: [PATCH 0/6] qemu-kvm: Introduce bit-based phys_ram_dirty, and bit-based dirty page checker. |
Date: | Tue, 16 Mar 2010 15:11:10 +0200 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Thunderbird/3.0.3 |
On 03/16/2010 12:53 PM, Yoshiaki Tamura wrote:
Experimental results: Cond1: 1.9 ~ 61 times speed up Cond2: 1.9 ~ 56 times speed up Cond3: 1.9 ~ 59 times speed up Cond4: 1.7 ~ 59 times speed up
Impressive results. What's the typical speedup? Closer to 1.9 or 61?Note the issue with the cache accesses for set_dirty() is only applicable to tcg, since kvm always updates the dirty bitmap in a batch (well, I/O also updates the bitmap).
-- error compiling committee.c: too many arguments to function
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