[PATCH] Improve performance of strcat

Wilco Dijkstra wdijkstr@arm.com
Wed Sep 10 15:32:00 GMT 2014


Ping

> -----Original Message-----
> From: Wilco Dijkstra [mailto:wdijkstr@arm.com]
> Sent: 07 August 2014 14:28
> To: 'libc-alpha@sourceware.org'
> Subject: [PATCH] Improve performance of strcat
> 
> 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.
> 
> OK for commit?
> 
> ChangeLog:
> 2014-08-07  Wilco Dijkstra <wdijkstr@arm.com>
> 
> 	* string/strcat.c (strcat): Improve performance by using strlen/strcpy.




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