linux-kernel - Re: [PATCH] Optimize int_sqrt for small values for faster idle

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Message-ID: <87y4b9gwv6.fsf@tassilo.jf.intel.com>
Date:	Thu, 28 Jan 2016 14:30:53 -0800
From:	Andi Kleen <andi@...stfloor.org>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, davidlohr.bueso@...com,
	rafael.j.wysocki@...el.com, lenb@...nel.org
Subject: Re: [PATCH] Optimize int_sqrt for small values for faster idle

Andi Kleen <andi@...stfloor.org> writes:

> From: Andi Kleen <ak@...ux.intel.com>
>
> The menu cpuidle governor does at least two int_sqrt() each time
> we go into idle in get_typical_interval to compute stddev

Added a stupid typo in the last minute. I'll post a new version.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only