linux-kernel - Re: [RFC patch 15/27] Immediate Values

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Message-Id: <20080417184930.A8CD.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Thu, 17 Apr 2008 18:52:54 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	kosaki.motohiro@...fujitsu.com, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Adrian Bunk <bunk@...sta.de>, Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>, akpm@...l.org
Subject: Re: [RFC patch 15/27] Immediate Values - Documentation

> +Memory read:
> +644.09ツア11.39 - 88.16ツア1.35 = 555.93ツア11.46 cycles
> +
> +Getppid without memory pressure:
> +1462.09ツア18.87 - 150.92ツア1.01 = 1311.17ツア18.90 cycles
> +
> +Getppid with memory pressure:
> +17113.33ツア1655.92 - 578.22ツア269.51 = 16535.11ツア1677.71 cycles
> +
> +Therefore, if we add 2 markers not based on immediate values to the getppid
> +code, which would add 2 memory reads, we would add
> +2 * 555.93ツア12.74 = 1111.86ツア25.48 cycles

sorry..

non ascii character is harmful for some language region user.
Couldn't you write ascii only?




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