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

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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.

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Message #8 received at 15630 <at> debbugs.gnu.org (full text, mbox):

From: "Z. Majeed" <zmajeed <at> sbcglobal.net>
To: "15630 <at> debbugs.gnu.org" <15630 <at> debbugs.gnu.org>
Subject: Re: bug#15630: Acknowledgement (grep 2.14 much slower than 2.5.1)
Date: Wed, 16 Oct 2013 12:20:15 -0700 (PDT)

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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"


Zartaj



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 From: GNU bug Tracking System <help-debbugs <at> gnu.org>
To: Z. Majeed <zmajeed <at> sbcglobal.net> 
Sent: Wednesday, October 16, 2013 10:11 AM
Subject: bug#15630: Acknowledgement (grep 2.14 much slower than 2.5.1)
 

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This bug report was last modified 11 years and 39 days ago.

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