Memory prefetching while sequentially fetching from SortTuple array, tuplestore

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ID 305

Title Memory prefetching while sequentially fetching from SortTuple array, tuplestore

Topic Performance

Created 2015-07-16 23:02:23

Last modified 2015-12-13 21:32:20 (8 years, 11 months ago)

Latest email 2015-12-13 21:30:02 (8 years, 11 months ago)

Status

2015-11: Returned with feedback

2015-09: Moved to next CF

Target version

Authors Peter Geoghegan (pgeoghegan)

Reviewers David Rowley (davidrowley)Become reviewer

Committer

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/305
git checkout commitfest/cf/305

Emails

Memory prefetching while sequentially fetching from SortTuple array, tuplestore

First at 2015-07-16 23:01:20 by Peter Geoghegan <pg at heroku.com>
Latest at 2015-12-13 21:30:02 by Peter Geoghegan <pg at heroku.com>
Latest attachment (results.ods) at 2015-11-30 04:52:40 from David Rowley <david.rowley at 2ndquadrant.com>

    Attachment (results.ods) at 2015-11-30 04:52:40 from David Rowley <david.rowley at 2ndquadrant.com> (Patch: No)
    Attachment (0001-Prefetch-from-memtuples-array-in-tuplesort.patch) at 2015-10-11 00:20:05 from Peter Geoghegan <pg at heroku.com> (Patch: Yes)
    Attachment (v3-prefetch-from-memtuples-array-in-tuplesort.patch) at 2015-07-19 23:34:52 from Peter Geoghegan <pg at heroku.com> (Patch: Yes)
    Attachment (v2-prefetch-from-memtuples-array-in-tuplesort.patch) at 2015-07-17 00:00:52 from Peter Geoghegan <pg at heroku.com> (Patch: Yes)
    Attachment (0001-Prefetch-from-memtuples-array-in-tuplesort.patch) at 2015-07-16 23:01:20 from Peter Geoghegan <pg at heroku.com> (Patch: Yes)

Annotations

When	Who	Mail	Annotation
2015-12-13 21:32:20	Peter Geoghegan (pgeoghegan)	From Peter Geoghegan <pg@heroku.com> at 2015-12-13 21:30:02	Patch more or less withdrawn. Technique only likely to make sense when writing out tuples. That's now proposed as part of "quicksort for every run" patch series.

History

When	Who	What
2015-12-13 21:32:20	Peter Geoghegan (pgeoghegan)	Added annotation "Patch more or less withdrawn. Technique only likely to make sense when writing out tuples. That's now proposed as part of "quicksort for every run" patch series." to CAM3SWZTM5jz_=cpRqXYxtbsoyNw8VyzKFPYfstRetAuvk5pqOg@mail.gmail.com
2015-12-13 21:30:29	Peter Geoghegan (pgeoghegan)	Closed in commitfest 2015-11 with status: Returned with feedback
2015-10-30 23:28:35	Michael Paquier (michael-kun)	Closed in commitfest 2015-09 with status: Moved to next CF
2015-10-11 00:20:19	Peter Geoghegan (pgeoghegan)	New status: Needs review
2015-09-03 11:59:12	Andres Freund (andresfreund)	New status: Waiting on Author
2015-08-31 12:07:31	David Rowley (davidrowley)	Added davidrowley as reviewer
2015-07-16 23:02:34	Peter Geoghegan (pgeoghegan)	Changed authors to Peter Geoghegan (pgeoghegan)
2015-07-16 23:02:23	Peter Geoghegan (pgeoghegan)	Attached mail thread CAM3SWZRR-9XX3dk+G_B0U9qLgV9jory1YFWr7YmsAeF3feL_Fg@mail.gmail.com
2015-07-16 23:02:23	Peter Geoghegan (pgeoghegan)	Created patch record

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