[PATCH] SVE popcount support
| От | Malladi, Rama |
|---|---|
| Тема | [PATCH] SVE popcount support |
| Дата | |
| Msg-id | 010101936e4aaa70-b474ab9e-b9ce-474d-a3ba-a3dc223d295c-000000@us-west-2.amazonses.com обсуждение исходный текст |
| Ответы |
Re: [PATCH] SVE popcount support
Re: [PATCH] SVE popcount support Re: [PATCH] SVE popcount support |
| Список | pgsql-hackers |
- Attachments protected by Amazon:
- 0001-SVE-popcount-support.patch |
- SVE-popcount-support-PostgreSQL.png |
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
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