Re: use SSE2 for is_valid_ascii

From: John Naylor <john(dot)naylor(at)enterprisedb(dot)com>
To: Nathan Bossart <nathandbossart(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Andres Freund <andres(at)anarazel(dot)de>, Jelte Fennema <me(at)jeltef(dot)nl>
Subject: Re: use SSE2 for is_valid_ascii
Date: 2022-08-25 09:41:53
Message-ID: CAFBsxsFFAZ6acUfyUALiem4DpCW=ApXbF02zrc0G0oT9CPof0Q@mail.gmail.com
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v3 applies on top of the v9 json_lex_string patch in [1] and adds a
bit more to that, resulting in a simpler patch that is more amenable
to additional SIMD-capable platforms.

[1] https://www.postgresql.org/message-id/CAFBsxsFV4v802idV0-Bo%3DV7wLMHRbOZ4er0hgposhyGCikmVGA%40mail.gmail.com

--
John Naylor
EDB: http://www.enterprisedb.com

Attachment Content-Type Size
v3-use-simd-is-valid-ascii.patch text/x-patch 4.7 KB

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