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

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ID 4139
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, 10 months ago)
Status
2023-03: Committed
Target version
Authors Joel Jacobson (joeljacobson)
Reviewers Become reviewer
Committer John Naylor (john.naylor)
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/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
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