On Sat, Apr 1, 2017 at 12:48 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote: > Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> writes: > >> That enables the new JIT support in pcre v2: >> >> s/iter rx fixed prx >> rx 2.19 -- -33% -44% >> fixed 1.47 49% -- -17% >> prx 1.22 79% 20% -- > > The numbers with JIT does look "interesting". > > I couldn't quite tell if there are major incompatibilities in the > regex language itself between two versions from their documentation, > but assuming that there isn't (modulo bugfixes and enhancements) and > assuming that we are going to use their standard matcher, it may be > OK to just use the newer one without linking both. There's no incompatibilities in the regex language itself (modulo bugs etc). So yeah, I'll prepare some patch to use v2.