linux-kernel - [RFC 0/2] Speed large x86_64 system boot by calling calibrate

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Message-Id: <20101215015840.390204279@gulag1.americas.sgi.com>
Date:	Tue, 14 Dec 2010 19:58:40 -0600
From:	Robin@....com, "Holt <holt"@sgi.com
To:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>
Subject: [RFC 0/2] Speed large x86_64 system boot by calling calibrate_delay() in parallel.


On a 4096 cpu machine, we spend a little more than five minutes of the boot
within calibrate_delay().  By doing this work in parallel, we reduce the
time to one minute.
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