linux-kernel - Re: [PATCH] memchr (trivial) optimization

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Message-ID: <p73bqczzvk6.fsf@bingen.suse.de>
Date:	22 Aug 2007 12:56:57 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	"lode leroy" <lode_leroy@...mail.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memchr (trivial) optimization

"lode leroy" <lode_leroy@...mail.com> writes:

> While profiling something completely unrelated, I noticed
> that on the workloads I used memchr for, I saw a 30%-40% improvement
> in performance, with the following trivial changes...
> (basically, it saves 3 operations for each call)

What kind of workload? I didn't think anything in tree
was memchr intensive.

-Andi
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