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From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH 5/7] KVM: cache the last used slot
Date: Tue, 22 Feb 2011 16:26:54 +0200	[thread overview]
Message-ID: <4D63C7AE.6040108@redhat.com> (raw)
In-Reply-To: <4D637019.9070208@cn.fujitsu.com>

On 02/22/2011 10:13 AM, Xiao Guangrong wrote:
> Cache the last used slot, the hit ratio is more than 35% during my test
>

If we sort the slots by size, or use a weighted balanced tree, this 
should come for free.

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2011-02-22 14:26 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-22  8:08 [PATCH 0/7] KVM: optimize memslots searching and cache GPN to GFN Xiao Guangrong
2011-02-22  8:09 ` [PATCH 1/7] KVM: cleanup memslot_id function Xiao Guangrong
2011-02-22  8:10 ` [PATCH 2/7] KVM: introduce KVM_MEM_SLOTS_NUM macro Xiao Guangrong
2011-02-22  8:11 ` [PATCH 1/3] KVM: introduce memslots_updated function Xiao Guangrong
2011-02-22  8:12 ` [PATCH 4/7] KVM: sort memslots and use binary search to search the right slot Xiao Guangrong
2011-02-22 14:25   ` Avi Kivity
2011-02-22 14:54     ` Alex Williamson
2011-02-22 18:54       ` [RFC PATCH 0/3] Weight-balanced binary tree + KVM growable memory slots using wbtree Alex Williamson
2011-02-22 18:55         ` [RFC PATCH 1/3] Weight-balanced tree Alex Williamson
2011-02-23 13:09           ` Avi Kivity
2011-02-23 17:02             ` Alex Williamson
2011-02-23 17:08               ` Avi Kivity
2011-02-23 20:19                 ` Alex Williamson
2011-02-24 23:04           ` Andrew Morton
2011-02-22 18:55         ` [RFC PATCH 2/3] kvm: Allow memory slot array to grow on demand Alex Williamson
2011-02-24 10:39           ` Avi Kivity
2011-02-24 18:08             ` Alex Williamson
2011-02-27  9:44               ` Avi Kivity
2011-02-22 18:55         ` [RFC PATCH 3/3] kvm: Use weight-balanced tree for memory slot management Alex Williamson
2011-02-22 18:59         ` [RFC PATCH 0/3] Weight-balanced binary tree + KVM growable memory slots using wbtree Alex Williamson
2011-02-23  1:56         ` Alex Williamson
2011-02-23 13:12         ` Avi Kivity
2011-02-23 18:06           ` Alex Williamson
2011-02-23 19:28             ` Alex Williamson
2011-02-24 10:06               ` Avi Kivity
2011-02-24 17:35                 ` Alex Williamson
2011-02-27  9:54                   ` Avi Kivity
2011-02-28 23:04                     ` Alex Williamson
2011-03-01 15:03                       ` Avi Kivity
2011-03-01 18:20                         ` Alex Williamson
2011-03-02 13:31                           ` Avi Kivity
2011-03-01 19:47                     ` Marcelo Tosatti
2011-03-02 13:34                       ` Avi Kivity
2011-02-24 10:04             ` Avi Kivity
2011-02-23  1:30     ` [PATCH 4/7] KVM: sort memslots and use binary search to search the right slot Xiao Guangrong
2011-02-22  8:13 ` [PATCH 5/7] KVM: cache the last used slot Xiao Guangrong
2011-02-22 14:26   ` Avi Kivity [this message]
2011-02-22  8:15 ` [PATCH 6/7] KVM: cleanup traversal used slots Xiao Guangrong
2011-02-22  8:16 ` [PATCH 7/7] KVM: MMU: cache guest page number to guest frame number Xiao Guangrong
2011-02-22 14:32   ` Avi Kivity
2011-02-23  1:38     ` Xiao Guangrong
2011-02-23  9:28       ` Avi Kivity

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