This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Improve generic stpcpy performance


On 22-12-2014 09:39, Richard Earnshaw wrote:
> I noticed while going through some benchmark results that the generic
> stpcpy was substantially slower than the simple_stpcpy in the benchmark
> itself.
>
> So, similar to Wilko's recent strcpy patch, this patch uses the same
> approach for stpcpy.
>
> Note that it does not help to use mempcpy, since that returns a value
> that points beyond the end of the copied data.
>
> OK?
>
> 	* string/stpcpy.c (__stpcpy): Rewrite using strlen and memcpy.
>
LGTM.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]