CRC improvements: (a) slice-by-8 in software (b) sse4.2 CRC in hardware

118

Title

Topic

Performance

Created

2015-01-23 08:12:24

Last modified

2015-04-14 14:57:47 (9 years, 7 months ago)

Latest email

2015-04-14 14:10:59 (9 years, 7 months ago)

Status

2015-02: Committed

Target version

Authors

Abhijit Menon-Sen (ams)

Reviewers

Subject Lambda (testsubjectlambda13)Become reviewer

Committer

Heikki Linnakangas (heikki)

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/118
git checkout commitfest/cf/118

Emails

What exactly is our CRC algorithm?: First at 2014-10-08 19:13:46 by Heikki Linnakangas <hlinnakangas at vmware.com>
Latest at 2015-04-14 14:10:59 by Heikki Linnakangas <hlinnaka at iki.fi>
Latest attachment (v3-0001-Use-Intel-SSE4.2-CRC-instructions-where-available.patch) at 2015-04-02 21:33:10 from Heikki Linnakangas <hlinnaka at iki.fi>
    Attachment (v3-0001-Use-Intel-SSE4.2-CRC-instructions-where-available.patch) at 2015-04-02 21:33:10 from Heikki Linnakangas <hlinnaka at iki.fi> (Patch: Yes)
    Attachment (v2-0001-Use-Intel-SSE4.2-CRC-instructions-where-available.patch) at 2015-03-25 17:18:51 from Heikki Linnakangas <hlinnaka at iki.fi> (Patch: Yes)
    Attachment (0001-Use-Intel-SSE4.2-CRC-instructions-where-available.patch) at 2015-02-12 19:26:26 from Heikki Linnakangas <hlinnakangas at vmware.com> (Patch: Yes)
    Attachment (0001-Use-Intel-SSE4.2-CRC-instructions-where-available.patch) at 2015-02-10 12:30:51 from Heikki Linnakangas <hlinnakangas at vmware.com> (Patch: Yes)
    Attachment (slice-by-8.patch) at 2015-02-09 10:52:41 from Heikki Linnakangas <hlinnakangas at vmware.com> (Patch: Yes)
    Attachment (0002-Use-the-SSE4.2-CRC-instructions-where-available.patch) at 2015-01-09 08:32:03 from Abhijit Menon-Sen <ams at 2ndQuadrant.com> (Patch: Yes)
    Attachment (0002-Use-the-SSE4.2-CRC-instructions-where-available.patch) at 2015-01-01 07:17:23 from Abhijit Menon-Sen <ams at 2ndQuadrant.com> (Patch: Yes)
    Attachment (0002-Use-the-SSE4.2-CRC-instructions-where-available.patch) at 2014-12-30 07:40:27 from Abhijit Menon-Sen <ams at 2ndQuadrant.com> (Patch: Yes)
    Attachment (crc.diff) at 2014-12-29 13:14:18 from Abhijit Menon-Sen <ams at 2ndQuadrant.com> (Patch: Yes)
    Attachment (crc.diff) at 2014-12-25 06:27:29 from Abhijit Menon-Sen <ams at 2ndQuadrant.com> (Patch: Yes)
    Attachment (slice8.diff) at 2014-11-19 15:58:11 from Abhijit Menon-Sen <ams at 2ndQuadrant.com> (Patch: Yes)
    Attachment (0002-Switch-to-CRC-32C-in-WAL-and-other-places.patch) at 2014-10-27 16:02:59 from Heikki Linnakangas <hlinnakangas at vmware.com> (Patch: Yes)
    Attachment (crcmodel-1.tar.gz) at 2014-10-08 19:13:46 from Heikki Linnakangas <hlinnakangas at vmware.com> (Patch: No)

History

When	Who	What
2020-06-26 13:07:21	Subject Lambda (testsubjectlambda13)	Added testsubjectlambda13 as reviewer
2015-04-14 14:57:47	Heikki Linnakangas (heikki)	Closed in commitfest 2015-02 with status: Committed
2015-04-14 14:57:47	Heikki Linnakangas (heikki)	Changed committer to heikki
2015-02-23 19:58:23	Heikki Linnakangas (heikki)	New status: Waiting on Author
2015-01-23 08:12:36	Abhijit Menon-Sen (ams)	Changed authors to Abhijit Menon-Sen (ams)
2015-01-23 08:12:24	Abhijit Menon-Sen (ams)	Attached mail thread 54358CEA.8080809@vmware.com
2015-01-23 08:12:24	Abhijit Menon-Sen (ams)	Created patch record