Jim Meyering wrote:
seq 1 | sed 's/$/ abcdefghijklmnopqrstuvwxyz/; s/$/./' >in
time -p env LC_ALL=C grep -vf in in
(before) real 63.43 user 61.67 system 1.65
(after) real 1.64 user 1.61 system 0.03
# If we do not add '.' at last in pattern, not dfa but kwset is used.
grep
On Tue, 18 Sep 2018 22:13:38 -0700
Jim Meyering wrote:
> Also, when I compared grep compiled at
> 123620af88f55c3e0cc9f0aed7311c72f625bc82 (latest, including your
> changes) and that compiled at the prior commit,
> 9c11510507ebcd31671f10d9b88532f8e6657ad2, I find that the new version
> takes ove
Norihiro Tanaka wrote:
Sorry, I forgot to send the patch. We need the patch to optimize MERGE
function to speed-up for some cases.
Thanks, that improved the performance of the 'grep -vf linux.words linux.words'
benchmark from (before the recent changes) real 8.06 user 6.20 sys 1.85 to
(after
