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[bug #14472] grep is slow in multibyte locales
From: |
Arkadiusz Miskiewicz |
Subject: |
[bug #14472] grep is slow in multibyte locales |
Date: |
Thu, 26 Jun 2008 22:33:11 +0000 |
User-agent: |
Opera/9.51 (X11; Linux i686; U; en) |
Follow-up Comment #14, bug #14472 (project grep):
Same here. Extremally slow.
grep-2.5.3-2.x86_64
$ export LANG=C
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 0.02s user 0.00s system 26% cpu 0.089
total
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 0.02s user 0.00s system 43% cpu 0.061
total
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 0.02s user 0.01s system 45% cpu 0.066
total
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 0.02s user 0.00s system 41% cpu 0.064
total
Now the turtle mode.
$ export LANG=pl_PL.UTF-8
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 56,99s user 0,00s system 99% cpu
57,002 total
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 57,81s user 0,02s system 99% cpu
57,843 total
$ time grep FREE LOG-POLISH > x
grep --colour=auto FREE LOG-POLISH > x 57,48s user 0,01s system 99% cpu
57,499 total
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