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[PATCH] SVE popcount support - Mailing list pgsql-hackers

From	Malladi, Rama
Subject	[PATCH] SVE popcount support
Date	November 27 21:43:27
Msg-id	010101936e4aaa70-b474ab9e-b9ce-474d-a3ba-a3dc223d295c-000000@us-west-2.amazonses.com Whole thread Raw
Responses	Re: [PATCH] SVE popcount support Re: [PATCH] SVE popcount support Re: [PATCH] SVE popcount support
List	pgsql-hackers

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Amazon has replaced the attachments in this email with download links. Downloads will be available until December 27, 2024, 15:43 (UTC+00:00). Tell us what you think

For more information click here

Please find attached a patch to PostgreSQL implementing SVE popcount. I used John Naylor's test_popcount module [0] to put together the attached graphs. This test didn't show any regressions with a relatively small number of bytes, and it showed the expected improvements with many bytes.

[0] https://postgr.es/m/CAFBsxsE7otwnfA36Ly44zZO+b7AEWHRFANxR1h1kxveEV=ghLQ@mail.gmail.com

pgsql-hackers by date:

From: Justin Pryzby
Date: 27 November, 21:35:16
Subject: Re: Don't overwrite scan key in systable_beginscan()

From: Bruce Momjian
Date: 27 November, 21:47:44
Subject: Re: Statistics Import and Export

[PATCH] SVE popcount support - Mailing list pgsql-hackers

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