Use 128-bit math to accelerate numeric division, when 8

Use 128-bit math to accelerate numeric division, when 8 < divisor digits <= 16

Title

Use 128-bit math to accelerate numeric division, when 8 < divisor digits <= 16

Topic

Performance

Created

2023-01-23 04:14:09

Last modified

2023-02-08 12:19:20 (1 year, 9 months ago)

Latest email

2023-01-23 12:04:58 (1 year, 9 months ago)

Status

2023-03: Committed

Target version

Authors

Joel Jacobson (joeljacobson)

Reviewers

Committer

John Naylor (john.naylor)

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/4139
git checkout commitfest/cf/4139

Emails

[PATCH] Use 128-bit math to accelerate numeric division, when 8 < divisor digits <= 16: First at 2023-01-22 13:41:01 by "Joel Jacobson" <joel at compiler.org>
Latest at 2023-01-23 12:04:58 by Dean Rasheed <dean.a.rasheed at gmail.com>
Latest attachment (div_var_int64-2.patch) at 2023-01-22 22:48:37 from "Joel Jacobson" <joel at compiler.org>
Attachment (div_var_int64-2.patch) at 2023-01-22 22:48:37 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
Attachment (div_var_int64.patch) at 2023-01-22 13:41:01 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)

History

When	Who	What
2023-02-08 12:19:20	John Naylor (john.naylor)	Closed in commitfest 2023-03 with status: Committed
2023-02-08 12:19:20	John Naylor (john.naylor)	Changed committer to john.naylor
2023-01-23 04:14:38	Joel Jacobson (joeljacobson)	Changed authors to Joel Jacobson (joeljacobson)
2023-01-23 04:14:09	Joel Jacobson (joeljacobson)	Attached mail thread b7a5893d-af18-4c0b-8918-96de5f1bbf39@app.fastmail.com
2023-01-23 04:14:09	Joel Jacobson (joeljacobson)	Created patch record