Speed up COPY FROM text/CSV parsing using SIMD

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v2, Patch count: 1, First patch: +71−0, All patches: +71−0

Topic

Performance

Tags

Created

2025-08-07 05:06:54

Last modified

2025-10-19 12:38:50 (2 weeks ago)

Latest email

2025-08-21 19:36:42 (2 months ago)

Status

PG19-2 (2025-09-01 – 2025-09-30): Withdrawn

Target version

Authors

Shinya Kato (shinyakato)

Reviewers

Committer

Links

Emails

Speed up COPY FROM text/CSV parsing using SIMD: First at 2025-08-07 01:48:30 by Shinya Kato <shinya11.kato at gmail.com>
Latest at 2025-08-21 19:36:42 by KAZAR Ayoub <ma_kazar at esi.dz>
Latest attachment (COPY-SIMD-add-heuristic-to-avoid-regression-on-sm.txt) at 2025-08-19 12:33:38 from Nazir Bilal Yavuz <byavuz81 at gmail.com>
    Attachment (COPY-SIMD-add-heuristic-to-avoid-regression-on-sm.txt) at 2025-08-19 12:33:38 from Nazir Bilal Yavuz <byavuz81 at gmail.com> (Patch: Yes)
    Attachment (simd-copy-from-bench.sql) at 2025-08-14 14:59:55 from KAZAR Ayoub <ma_kazar at esi.dz> (Patch: No)
    Attachment (v2-0001-Speed-up-COPY-FROM-text-CSV-parsing-using-SIMD.patch) at 2025-08-13 06:21:06 from Shinya Kato <shinya11.kato at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Feedback.txt) at 2025-08-11 08:52:25 from Nazir Bilal Yavuz <byavuz81 at gmail.com> (Patch: Yes)
    Attachment (Feedback.txt) at 2025-08-07 11:15:06 from Nazir Bilal Yavuz <byavuz81 at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Speed-up-COPY-FROM-text-CSV-parsing-using-SIMD.patch) at 2025-08-07 01:48:30 from Shinya Kato <shinya11.kato at gmail.com> (Patch: Yes)

History

When	Who	What
2025-10-19 12:38:50	Shinya Kato (shinyakato)	Closed in commitfest PG19-2 with status: Withdrawn
2025-08-18 07:46:39	Shinya Kato (shinyakato)	New status: Waiting on Author
2025-08-07 05:06:54	Shinya Kato (shinyakato)	Attached mail thread CAOzEurSW8cNr6TPKsjrstnPfhf4QyQqB4tnPXGGe8N4e_v7Jig@mail.gmail.com
2025-08-07 05:06:54	Shinya Kato (shinyakato)	Created patch record