Use compiler intrinsics for bit ops in hash

From: David Fetter <david(at)fetter(dot)org>
To: PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Use compiler intrinsics for bit ops in hash
Date: 2020-01-14 17:35:53
Message-ID: 20200114173553.GE32763@fetter.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Folks,

The recent patch for distinct windowing aggregates contained a partial
fix of the FIXME that didn't seem entirely right, so I extracted that
part, changed it to use compiler intrinsics, and submit it here.

Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

Remember to vote!
Consider donating to Postgres: http://www.postgresql.org/about/donate

Attachment Content-Type Size
v1-0001-Use-compiler-intrinsics-for-bit-ops-in-hash.patch text/x-diff 8.0 KB

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2020-01-14 17:40:56 Re: Create/alter policy and exclusive table lock
Previous Message Tom Lane 2020-01-14 17:34:52 Re: our checks for read-only queries are not great