| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: test_json_parser/002_inline is kind of slow |
| Date: | 2025-09-29 15:10:55 |
| Message-ID: | CA+TgmoZYG50tkM91AcPq_zpGcmhm-71vOh4-S8h5djcRdEgvCw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Sep 27, 2025 at 12:43 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I tried it on my Mac M4 laptop, and saw the 002 test dropping from
> 3592 ms to 540 ms, about an 85% savings. So I agree this is worth
> doing. It's still unclear why Robert is seeing times so much worse
> than mine, though.
I don't have a clear explanation for that slowness either, but the
patch cuts down the runtime by 89% on my machine.
(I have not looked at the code.)
--
Robert Haas
EDB: http://www.enterprisedb.com
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