Use SSE4 for verifying UTF-8

Title

Topic

Performance

Created

2021-02-20 21:13:00

Last modified

2021-04-08 15:44:06 (1 month, 1 week ago)

Latest email

2021-04-01 14:22:06 (1 month, 2 weeks ago)

Status

2021-07: Needs review

2021-03: Moved to next CF

Target version

Authors

John Naylor (john.naylor)

Reviewers

Amit Khandekar (amitdkhan)Become reviewer

Committer

Links

Emails

[POC] verifying UTF-8 using SIMD instructions: First at 2021-02-01 17:32:23 by John Naylor <john.naylor at enterprisedb.com>
Latest at 2021-04-01 14:22:06 by John Naylor <john.naylor at enterprisedb.com>
Latest attachment (v9-0001-Replace-pg_utf8_verifystr-with-two-faster-impleme.patch) at 2021-04-01 14:22:06 from John Naylor <john.naylor at enterprisedb.com>
    Attachment (v9-0001-Replace-pg_utf8_verifystr-with-two-faster-impleme.patch) at 2021-04-01 14:22:06 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v8-0001-Add-noError-argument-to-encoding-conversion-funct.patch) at 2021-03-19 19:24:06 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v7-0001-Add-noError-argument-to-encoding-conversion-funct.patch) at 2021-02-24 21:50:50 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v6-0001-Add-noError-argument-to-encoding-conversion-funct.patch) at 2021-02-24 16:25:49 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v4-0001-Add-noError-argument-to-encoding-conversion-funct.patch) at 2021-02-20 21:10:58 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (addendum-01-8-byte-stride.patch) at 2021-02-19 00:43:04 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v4-SSE4-with-autoconf-support.patch) at 2021-02-17 05:40:32 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v3-SSE4-with-autoconf-support.patch) at 2021-02-16 01:32:52 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v2-add-portability-stub-and-new-fallback.patch) at 2021-02-13 01:31:33 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (utf-sse42-demo.patch) at 2021-02-09 21:12:22 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (simdjson-utf8-hack.patch) at 2021-02-08 10:17:11 from Heikki Linnakangas <hlinnaka at iki.fi> (Patch: Yes)
    Attachment (v1-0001-Add-an-ASCII-fast-path-to-multibyte-encoding-veri.patch) at 2021-02-07 20:24:16 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)
    Attachment (v1-verify-utf8-sse-ascii.patch) at 2021-02-01 17:32:23 from John Naylor <john.naylor at enterprisedb.com> (Patch: Yes)

History

When	Who	What
2021-04-08 15:44:06	David Steele (dsteele)	Closed in commitfest 2021-03 with status: Moved to next CF
2021-03-03 14:07:19	Amit Khandekar (amitdkhan)	Added amitdkhan as reviewer
2021-02-21 00:07:31	John Naylor (john.naylor)	Changed authors to John Naylor (john.naylor)
2021-02-20 21:13:00	John Naylor (john.naylor)	Attached mail thread CAFBsxsEV_SzH+OLyCiyon=iwggSyMh_eF6A3LU2tiWf3Cy2ZQg@mail.gmail.com
2021-02-20 21:13:00	John Naylor (john.naylor)	Created patch record