On 2017-03-27 13:30:11 -0400, Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > On 2017-03-27 12:18:37 -0400, Tom Lane wrote: > >> My feeling at this point is that we might be better off disabling > >> the computed-goto case by default. At the very least, we're going > >> to need a version check that restricts it to latest gcc. > > > In my measurements it's still faster in at least gcc-5/6, even without > > the option (largely because it avoids array bounds checks on the jump > > table built for the switch). > > Hm. What test cases are you using?
I used tpc-h - seems like a realistic enough testcase. Andres -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers