Re: speed up unicode normalization quick check

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>

To: John Naylor <john.naylor@enterprisedb.com>

Cc: Mark Dilger <mark.dilger@enterprisedb.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2020-10-11T10:27:20Z

Lists: pgsql-hackers

On Thu, Oct 08, 2020 at 06:22:39PM -0400, John Naylor wrote:
> Okay, thanks.

And applied.  I did some more micro benchmarking with the quick
checks, and the numbers are cool, close to what you mentioned for the
quick checks of both NFC and NFKC.

Just wondering about something in the same area, did you look at the
decomposition table?
--
Michael

Commits

Review format of code generated by PerfectHash.pm
- 19ae53c92d5f 14.0 landed
Fix compilation warning in unicode_norm.c
- e578c17d8166 14.0 landed
Use perfect hash for NFC and NFKC Unicode Normalization quick check
- 80f8eb79e24d 14.0 landed
Improve set of candidate multipliers for perfect hash function generation
- 2a7316458164 14.0 landed
Further improve pgindent's list of file exclusions.
- 74d4608f506b 14.0 cited