use CLZ instruction in AllocSetFreeIndex()

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Title use CLZ instruction in AllocSetFreeIndex()
Topic Performance
Created 2019-12-26 23:51:05
Last modified 2019-12-28 22:33:59 (11 months, 1 week ago)
Latest email 2019-12-28 22:33:18 (11 months, 1 week ago)
Status
2020-01: Committed
Target version
Authors John Naylor (john.naylor)
Reviewers Tom Lane (tgl)Become reviewer
Committer Tom Lane (tgl)
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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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