According to my tests, sometimes JIT is a little faster, and sometimes it's a little slower. Mostly within the realm of statistical noise (especially with each query having a sample size of only 13, on a VM that lives on a probably-busy host).
On Mon, Jan 29, 2024 at 9:18 AM Ron Johnson <ronljohnso...@gmail.com> wrote: > Yes, jit=on. > > I'll test them with jit=off, to see the difference. (The application is > 3rd party, so will change it at the system level.) > > On Mon, Jan 29, 2024 at 7:09 AM Bob Jolliffe <bobjolli...@gmail.com> > wrote: > >> Out of curiosity, is the pg14 running with the default jit=on setting? >> >> This is obviously entirely due to the nature of the particular queries >> themselves, but we found that for our workloads that pg versions >> greater than 11 were exacting a huge cost due to the jit compiler. Once we >> explicitly turned jit=off we started to see improvements. >> >