Re: [PATCH] SVE popcount support

Chiranmoy.Bhattacharya@fujitsu.com <chiranmoy.bhattacharya@fujitsu.com>

From: "Chiranmoy.Bhattacharya@fujitsu.com" <Chiranmoy.Bhattacharya@fujitsu.com>

To: "Malladi, Rama" <ramamalladi@hotmail.com>, "Devanga.Susmitha@fujitsu.com" <Devanga.Susmitha@fujitsu.com>, Nathan Bossart <nathandbossart@gmail.com>

Cc: pgsql-hackers <pgsql-hackers@postgresql.org>, "Ragesh.Hajela@fujitsu.com" <Ragesh.Hajela@fujitsu.com>

Date: 2025-01-10T11:19:42Z

Lists: pgsql-hackers

Commits

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

Optimize popcount functions with ARM SVE intrinsics.
- 519338ace410 18.0 landed
Optimize popcount functions with ARM Neon intrinsics.
- 6be53c27673a 18.0 landed
Rename TRY_POPCNT_FAST to TRY_POPCNT_X86_64.
- 9ac6f7e7ceb6 18.0 landed

Attachments

v3-0001-SVE-support-for-popcount-and-popcount-masked.patch (application/octet-stream) patch v3-0001

Hi all,

Here is the updated patch using pg_attribute_target("arch=armv8-a+sve") to compile the arch-specific function instead of using compiler flags.

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Chiranmoy