On 2017-03-27 13:30:11 -0400, Tom Lane wrote:
> Andres Freund <andres@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
