Re: Big Performance drop of Exceptions in UDFs between V11.2 and 13.4

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "ldh(at)laurent-hasson(dot)com" <ldh(at)laurent-hasson(dot)com>
Cc: Justin Pryzby <pryzby(at)telsasoft(dot)com>, Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Big Performance drop of Exceptions in UDFs between V11.2 and 13.4
Date: 2021-08-22 20:11:25
Message-ID: 38107.1629663085@sss.pgh.pa.us
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"ldh(at)laurent-hasson(dot)com" <ldh(at)laurent-hasson(dot)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.

regards, tom lane

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