linux-kernel - Re: [PATCH] Expand CPU compiler options

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Message-ID: <20121209122907.GD24106@liondog.tnic>
Date:	Sun, 9 Dec 2012 13:29:07 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	John <da_audiophile@...oo.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Expand CPU compiler options

On Sun, Dec 09, 2012 at 04:08:55AM -0800, John wrote:
> While I agree that the differences as small - on the order of
> ms - they are not insignificant nor are they in the noise of the
> measurements.

Oh, maybe I wasn't clear - I wasn't talking about statistical
significance but rather about practical significance.

A minuscule speedup (a lot less than 1%) showing only in a *single*
workload so far and relevant only for a *very* *small* number of linux
users - only those who build their own kernels - is simply not worth
including in the kernel.

-- 
Regards/Gruss,
    Boris.
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