[darcs-users] Regular Expression libraries and linker errors

Jason Dagit dagit at codersbase.com
Mon Oct 5 20:05:31 UTC 2009


On Mon, Oct 5, 2009 at 11:58 AM, Ben Franksen <benjamin.franksen at bessy.de>wrote:

> Jason Dagit wrote:
> > It's possible that regex-pcre gives better performance than regex-posix
>
> I made some tests using the new criterion package (excellent for stuff like
> that) and found regex-pcre to be faster by a factor of 3 to 9, depending on
> regex and test string. I did not test it with darcs, but I took some random
> regexes from the standard boring file and a random file with a long path.
>

I agree about criterion.  Thanks for checking on that, it saves me some
time.

Did you use Strings or ByteStrings?

Does anyone know if regex-pcre works on windows?

Thanks,
Jason
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