Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2014-10-17 13:12:27 -0400, Tom Lane wrote:
>> Well, that's pretty much cheating: it's too hard to disentangle what's
>> coming from JIT vs what's coming from using a different accumulator
>> datatype. If we wanted to depend on having int128 available we could
>> get that speedup with a couple hours' work.
> I think doing that when configure detects int128 would make a great deal
> of sense.
Yeah, I was wondering about that myself: use int128 if available,
else fall back on existing code path.
regards, tom lane