linux-kernel - RE: [PATCH][KVM][retry 4] Add support for Pause Filtering to AMD SVM

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Message-ID: <6453C3CB8E2B3646B0D020C112613273036209FB@sausexmb4.amd.com>
Date:	Wed, 22 Jul 2009 17:40:48 -0500
From:	"Langsdorf, Mark" <mark.langsdorf@....com>
To:	"Sheng Yang" <sheng@...ux.intel.com>
CC:	"Roedel, Joerg" <Joerg.Roedel@....com>, <peterz@...radead.org>,
	"Ingo Molnar" <mingo@...e.hu>, <avi@...hat.com>,
	<kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	"Edwin Zhai" <edwin.zhai@...el.com>
Subject: RE: [PATCH][KVM][retry 4] Add support for Pause Filtering to AMD SVM

> Um, I am afraid we have the different result... With your 
> scheduler patch, we got 1% more performance improvement
> in the quick test. Of course more tests are needed to
> find a better value of delay.

What was your test case?  How many runs did you do?
My results had a lot of variance in them.

> Do you have time to work on it recently?

I've been working with the former VI guys on some scheduler
improvements for Xen, and hope to get back to this some
next week.

-Mark Langsdorf
Operating System Research Center
AMD

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