linux-kernel - Re: [PATCH] lib/int_sqrt.c: Optimize square root function

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Message-ID: <CA+55aFzt=dDU-De5GNbtTq655YwnE6XSryrnyEXaYm+9_GX-DQ@mail.gmail.com>
Date:	Thu, 5 Feb 2015 10:33:28 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Anshul Garg <aksgarg1989@...il.com>
Cc:	Davidlohr Bueso <dave@...olabs.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"anshul.g@...sung.com" <anshul.g@...sung.com>
Subject: Re: [PATCH] lib/int_sqrt.c: Optimize square root function

On Thu, Feb 5, 2015 at 10:20 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Hmm. I did that too [..]

Side note: one difference in our results (apart from possibly just CPU
uarch details) is that my loop goes to 100M to make it easier to just
time it. Which means that my load essentially had about three more
iterations over nonzero data.

                         Linus
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