GNU bug report logs - #15630
grep 2.14 much slower than 2.5.1

Previous Next

Package: grep;

Reported by: "Z. Majeed" <zmajeed <at> sbcglobal.net>

Date: Wed, 16 Oct 2013 14:11:02 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

Full log

View this message in rfc822 format

From: Jim Meyering <jim <at> meyering.net>
To: "Z. Majeed" <zmajeed <at> sbcglobal.net>
Cc: "15630 <at> debbugs.gnu.org" <15630 <at> debbugs.gnu.org>
Subject: bug#15630: Acknowledgement (grep 2.14 much slower than 2.5.1)
Date: Sat, 19 Oct 2013 17:58:01 -0700

On Wed, Oct 16, 2013 at 12:20 PM, Z. Majeed <zmajeed <at> sbcglobal.net> wrote:
> I see the reason is the workaround in do_execute that turns on line-by-line matching for -i across the board - I got runtime confirmation by trying "<name>.*[rR][uU][sS][sS][iI][aA]" - the times were faster than for grep 2.5.1 with -i:
> 3.59user 2.95system 0:06.55elapsed
>
> I'm not sure if the workaround is for the -i problem in UTF-8 locales discussed in http://savannah.gnu.org/bugs/?29391. This bug report really should be titled "--ignore-case very slow in grep 2.14"

Thanks for the reminder.
I'm about to release grep-2.15, but after that, I will be inclined to
address that problem.
This bug report was last modified 11 years and 39 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.