Andres Freund <andres(at)anarazel(dot)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