From 6f1a31f0aae6dbd5414b81fb6c0f4ff087146fc5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= Date: Tue, 1 Jan 2013 09:44:10 +0700 Subject: wildmatch: advance faster in + patterns MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Normally when we match "*X" on "abcX", we call dowild("X", "abcX"), dowild("X", "bcX"), dowild("X", "cX") and dowild("X", "X"). Only the last call may have a chance of matching. By skipping the text before "X", we can eliminate the first three useless calls. compat, '*/*/*' on linux-2.6.git file list 2000 times, before: wildmatch 7s 985049us fnmatch 2s 735541us or 34.26% faster and after: wildmatch 4s 492549us fnmatch 0s 888263us or 19.77% slower Signed-off-by: Nguyễn Thái Ngọc Duy Signed-off-by: Junio C Hamano --- t/t3070-wildmatch.sh | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 't') diff --git a/t/t3070-wildmatch.sh b/t/t3070-wildmatch.sh index 97f1daff8e..4c37057ddf 100755 --- a/t/t3070-wildmatch.sh +++ b/t/t3070-wildmatch.sh @@ -207,6 +207,11 @@ match 0 x foo '*/*/*' match 0 x foo/bar '*/*/*' match 1 x foo/bba/arr '*/*/*' match 0 x foo/bb/aa/rr '*/*/*' +match 1 x foo/bb/aa/rr '**/**/**' +match 1 x abcXdefXghi '*X*i' +match 0 x ab/cXd/efXg/hi '*X*i' +match 1 x ab/cXd/efXg/hi '*/*X*/*/*i' +match 1 x ab/cXd/efXg/hi '**/*X*/**/*i' pathmatch 1 foo foo pathmatch 0 foo fo @@ -226,5 +231,8 @@ pathmatch 0 foo '*/*/*' pathmatch 0 foo/bar '*/*/*' pathmatch 1 foo/bba/arr '*/*/*' pathmatch 1 foo/bb/aa/rr '*/*/*' +pathmatch 1 abcXdefXghi '*X*i' +pathmatch 1 ab/cXd/efXg/hi '*/*X*/*/*i' +pathmatch 1 ab/cXd/efXg/hi '*Xg*i' test_done -- cgit v1.2.3