use CLZ instruction in AllocSetFreeIndex()

Title

Topic

Performance

Created

2019-12-26 23:51:05

Last modified

2019-12-28 22:33:59 (4 years, 10 months ago)

Latest email

2019-12-28 22:33:18 (4 years, 10 months ago)

Status

2020-01: Committed

Target version

Authors

John Naylor (john.naylor)

Reviewers

Committer

Tom Lane (tgl)

Links

Checkout latest CFbot patchset

Go to your local checkout of the PostgreSQL repository and run:

git remote add commitfest https://github.com/postgresql-cfbot/postgresql.git
git fetch commitfest cf/2393
git checkout commitfest/cf/2393

Emails

use CLZ instruction in AllocSetFreeIndex(): First at 2019-12-26 23:49:46 by John Naylor <john.naylor at 2ndquadrant.com>
Latest at 2019-12-28 22:33:18 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (drive_palloc.c) at 2019-12-28 22:33:18 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (drive_palloc.c) at 2019-12-28 22:33:18 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: No)
    Attachment (v3-0001-Use-the-CLZ-instruction-in-AllocSetFreeIndex.patch) at 2019-12-28 14:50:24 from John Naylor <john.naylor at 2ndquadrant.com> (Patch: Yes)
    Attachment (v2-0001-Use-the-CLZ-instruction-in-AllocSetFreeIndex.patch) at 2019-12-28 03:44:14 from John Naylor <john.naylor at 2ndquadrant.com> (Patch: Yes)
    Attachment (v2-test_allocsetfreeindex.c) at 2019-12-28 00:02:02 from John Naylor <john.naylor at 2ndquadrant.com> (Patch: No)
    Attachment (0001-Use-the-CLZ-instruction-in-AllocSetFreeIndex.patch) at 2019-12-26 23:49:46 from John Naylor <john.naylor at 2ndquadrant.com> (Patch: Yes)

History

When	Who	What
2019-12-28 22:33:59	Tom Lane (tgl)	Closed in commitfest 2020-01 with status: Committed
2019-12-28 22:33:59	Tom Lane (tgl)	Changed committer to tgl
2019-12-28 22:33:53	Tom Lane (tgl)	Added tgl as reviewer
2019-12-26 23:51:26	John Naylor (john.naylor)	Changed authors to John Naylor (john.naylor)
2019-12-26 23:51:05	John Naylor (john.naylor)	Attached mail thread CACPNZCuNUGMxjK7WTn_=WZnRbfASDdBxmjsVf2+m9MdmeNw_sg@mail.gmail.com
2019-12-26 23:51:05	John Naylor (john.naylor)	Created patch record