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Date: Mon, 06 Jul 2015 14:42:00 -0000
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Subject: Re: [PATCH][AArch64] Optimize strlen
From: Marcus Shawcroft <marcus.shawcroft@gmail.com>
To: Wilco Dijkstra <wdijkstr@arm.com>
Cc: GNU C Library <libc-alpha@sourceware.org>
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On 16 January 2015 at 17:39, Wilco Dijkstra <wdijkstr@arm.com> wrote:
> Optimize the strlen implementation by using a page cross check and a fast check
> for nul bytes which reverts to separate loop when a non-ASCII char is encountered.
> Speedup on test-strlen is ~10%, long ASCII strings are processed ~60% faster,
> and on random tests it is ~80% better.
>
> ChangeLog:
>
> 2015-01-16  Wilco Dijkstra  <wdijkstr@arm.com>
>
>         * sysdeps/aarch64/strlen.S (strlen): Optimize strlen.

OK /Marcus