Horton

Re: Proposal: Removing 32 bit support starting from PG17++

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Hans Buschmann <buschmann@nidsa.net>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2023-05-24T21:44:36Z
Lists: pgsql-hackers 
Andres Freund <andres@anarazel.de> writes:
> Dropping CPUs without native atomic operations / without a way to do tear-free
> 8 byte reads would make several substantial performance improvements easier,
> while not really dropping any relevant platform.

Hmm, can we really expect atomic 8-byte reads on "relevant" 32-bit
platforms?  I'd be on board with this if so, but it sounds a bit
optimistic.

			regards, tom lane