Re: use SIMD in GetPrivateRefCountEntry()

From: Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>
To: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>
Cc: Peter Geoghegan <pg(at)bowt(dot)ie>, Tomas Vondra <tomas(at)vondra(dot)me>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Georgios <gkokolatos(at)protonmail(dot)com>, Konstantin Knizhnik <knizhnik(at)garret(dot)ru>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Subject: Re: use SIMD in GetPrivateRefCountEntry()
Date: 2025-10-24 12:43:34
Message-ID: ad222e6b-ee30-4eb7-9692-fa1d6b24c2e2@postgrespro.ru
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03.10.2025 23:51, Nathan Bossart пишет:
> Sorry for the noise. I fixed x86-64 builds in v2.
>

Why not just use simplehash for private ref counts?
Without separation on array and overflow parts.
Just single damn simple hash table.

--
regards
Yura Sokolov aka funny-falcon

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