| From: | Emre Hasegeli <emre(at)hasegeli(dot)com> |
|---|---|
| To: | Amit Langote <amitlangote09(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, keisuke kuroda <keisuke(dot)kuroda(dot)3862(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: In PG12, query with float calculations is slower than PG11 |
| Date: | 2020-02-07 14:30:54 |
| Message-ID: | CAE2gYzx3nEb0MbBwV1GtbmOYZ1TPKcPLOkeeZ8ZxFb=WCvX8sg@mail.gmail.com |
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| Lists: | pgsql-hackers |
> Fwiw, also tried the patch that Kuroda-san had posted yesterday.
I run the same test case too:
clang version 7.0.0:
HEAD 2548.119 ms
with patch 2320.974 ms
clang version 8.0.0:
HEAD 2431.766 ms
with patch 2419.439 ms
clang version 9.0.0:
HEAD 2477.493 ms
with patch 2365.509 ms
gcc version 7.4.0:
HEAD 2451.261 ms
with patch 2343.393 ms
gcc version 8.3.0:
HEAD 2540.626 ms
with patch 2299.653 ms
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