> -----Original Message-----
> From: Andrew Dunstan <andrew@dunslane.net>
> Sent: Sunday, August 22, 2021 17:27
> To: Tom Lane <tgl@sss.pgh.pa.us>; ldh@laurent-hasson.com
> Cc: Justin Pryzby <pryzby@telsasoft.com>; Ranier Vilela
> <ranier.vf@gmail.com>; pgsql-performance@postgresql.org
> Subject: Re: Big Performance drop of Exceptions in UDFs between V11.2
> and 13.4
>
>
> On 8/22/21 4:11 PM, Tom Lane wrote:
> > "ldh@laurent-hasson.com" <ldh@laurent-hasson.com> writes:
> >> I do have a Linux install of 13.3, and things work beautifully, so this is
> definitely a Windows thing here that started in V12.
> > It's good to have a box around it, but that's still a pretty large box
> > :-(.
> >
> > I'm hoping that one of our Windows-using developers will see if they
> > can reproduce this, and if so, try to bisect where it started.
> > Not sure how to make further progress without that.
> >
> >
>
>
> Can do. Assuming the assertion that it started in Release 12 is correct, I
> should be able to find it by bisecting between the branch point for 12
> and the tip of that branch. That's a little over 20 probes by my
> calculation.
>
>
> cheers
>
>
> andrew
>
>
> --
> Andrew Dunstan
> EDB: https://www.enterprisedb.com
I tried it on 11.13 and 12.3. Is there a place where I could download 12.1 and 12.2 and test that? Is it worth it or
youthink you have all you need?
Thanks,
Laurent.