On Fri, 23 Dec 2016 17:38:42 -0800 Paul Eggert <egg...@cs.ucla.edu> wrote:
> No. Thanks, I hadn't considered that possibility. I looked into the > slowdown and installed the attached patches, which cause 'grep' to > run about as fast on this test case as grep 2.25 (though not as fast > as grep 2.26). The main fix is in patch 5. On my platform: Hmm, how about the following test cases, although it is extreame? $ cat pat 0 00 0 00 00 0 00 00 00 0 00 00 00 00 0 00 00 00 00 00 0 00 00 00 00 00 00 0 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 00 00 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 0 $ yes '00 00 00 00 00 00 00 00 00 00 00 00 00' | head -1000000 >inp $ time -p env LC_ALL=C src/grep -w -f pat inp
