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Date: Thu, 11 Sep 2014 19:42:00 -0000
From: "Carlos O'Donell" <carlos@redhat.com>
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To: Wilco Dijkstra <wdijkstr@arm.com>, libc-alpha@sourceware.org
Subject: Re: [PATCH] Improve performance of strcat
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On 08/07/2014 09:27 AM, Wilco Dijkstra wrote:
> Hi,
> 
> This patch improves strcat performance by using strlen and strcpy. Strlen has a fast C
> implementation, so this improves performance even on targets which don't have an optimized strlen
> and strcpy - it is 25% faster in bench-strcat. On targets which don't provide an optimized strcat
> but which do have an optimized strlen and strcpy, performance gain is > 2x.

What benchmarks did you use to test this performance gain?

Did you use glibc's microbenchmark?

What numbers did you get?

c.