| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
| Cc: | "ldh(at)laurent-hasson(dot)com" <ldh(at)laurent-hasson(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(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: | 2021-09-02 16:59:51 |
| Message-ID: | 7ff352d4-4879-5181-eb89-8a2046f928e6@dunslane.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On 9/2/21 11:34 AM, Julien Rouhaud wrote:
> On Thu, Sep 2, 2021 at 11:22 PM Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>> Here are a couple of pictures of profiles made with a tool called
>> sleepy. The bad profile is from release 13.4 built with the latest
>> gettext, built with vcpkg. The good profile is the same build but using
>> the intl-8.dll copied from the release 11.13 installer. The good run
>> takes about a minute. The bad run takes about 30 minutes.
>>
>>
>> I'm not exactly sure what the profiles tell us.
> Isn't GetLocaleInfoA suspicious? Especially since the doc [1] says
> that it shouldn't be called anymore unless you want to have
> compatibility with OS from more than a decade ago?
>
> [1] https://docs.microsoft.com/en-us/windows/win32/api/winnls/nf-winnls-getlocaleinfoa
Possibly, but the profile doesn't show it as having a great impact.
Maybe surrounding code is affected.
cheers
andrew
--
Andrew Dunstan
EDB: https://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Marc Olivé | 2021-09-07 14:02:03 | FDW join vs full join push down |
| Previous Message | Ranier Vilela | 2021-09-02 16:39:38 | Re: Big Performance drop of Exceptions in UDFs between V11.2 and 13.4 |