[PATCH] Improve performance of strcat

[Carlos O'Donell]

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.