use CLZ instruction in AllocSetFreeIndex()

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ID 2393
Title use CLZ instruction in AllocSetFreeIndex()
Topic Performance
Created 2019-12-26 23:51:05
Last modified 2019-12-28 22:33:59 (4 years, 11 months ago)
Latest email 2019-12-28 22:33:18 (4 years, 11 months ago)
Status
2020-01: Committed
Target version
Authors John Naylor (john.naylor)
Reviewers Tom Lane (tgl)Become reviewer
Committer Tom Lane (tgl)
Links CFbot results (CirrusCI) CFbot GitHub
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
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