[PATCH 6/6] RelNotes: add more notes about PCRE in 2.14
We were missing any mention that:
- PCRE is now faster with JIT
- That it's now faster than the other regex backends
- That therefore you might want to use it by default, but beware of
the incompatible syntax.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
Documentation/RelNotes/2.14.0.txt | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/Documentation/RelNotes/2.14.0.txt b/Documentation/RelNotes/2.14.0.txt
index fb6a3dba31..a6a1cb963b 100644
--- a/Documentation/RelNotes/2.14.0.txt
+++ b/Documentation/RelNotes/2.14.0.txt
@@ -88,7 +88,16 @@ UI, Workflows & Features
learned to say "it's a pathspec" a bit more often when the syntax
looks like so.
- * Update "perl-compatible regular expression" support to enable JIT.
+ * Update "perl-compatible regular expression" support to enable
+ JIT.
+
+ This makes grep.patternType=perl (and -P and --perl-regexp) much
+ faster for "git grep" and "git log", and is generally faster than
+ the system's POSIX regular expression implementation. Users
+ concerned with "git grep" performance or "git log --grep"
+ performance might want to try setting grep.patternType=perl. Note
+ that the syntax isn't compatible with git's default of
+ grep.patternType=basic.
* "filter-branch" learned a pseudo filter "--setup" that can be used
to define common functions/variables that can be used by other
--
2.13.2.932.g7449e964c
Ævar Arnfjörð Bjarmason <avarab@gmail.com>