Official request: Please make GNU grep the default
Lev Serebryakov
lev at FreeBSD.org
Fri Aug 20 05:48:56 UTC 2010
Hello, Gabor.
You wrote 14 августа 2010 г., 20:10:56:
> 2, GNU grep uses internal optimizations to get that performance. I think
> it's a wrong approach because the regex library itself should be
> optimized instead to keep BSD grep clean and simple and to provide the
> same efficiency for all utilities that are linked to the regex library.
> Our libc-regex is definitely need to be replaced at some point in the
> future but that's a more complex item. See the following references:
> http://wiki.freebsd.org/BSDgrep
> http://wiki.freebsd.org/Regex
You don't have these links on Wiki page, so I post them here. I
hope, you've read these articles, but it is better to duplicate
links, than miss them.
http://swtch.com/~rsc/regexp/regexp1.html
http://swtch.com/~rsc/regexp/
And it iw very strange to see TRE soooo slow, because it seems, it
is based on "fast" linear approcach, when gnu-regexp is old, slow,
one...
--
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>
More information about the freebsd-current
mailing list