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Re: speed up verifying UTF-8

John Naylor <john.naylor@enterprisedb.com>

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From: John Naylor <john.naylor@enterprisedb.com>
To: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: Amit Khandekar <amitdkhan.pg@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2021-06-07T12:39:40Z
Lists: pgsql-hackers

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On Mon, Jun 7, 2021 at 8:24 AM Heikki Linnakangas <hlinnaka@iki.fi> wrote:
>
> On 03/06/2021 21:58, John Naylor wrote:
> > The microbenchmark is the same one you attached to [1], which I extended
> > with a 95% multibyte case.
>
> Could you share the exact test you're using? I'd like to test this on my
> old raspberry pi, out of curiosity.

Sure, attached.

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

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Simplify coding style of is_valid_ascii()

  2. Apply auto-vectorization to the inner loop of numeric multiplication.