On 2013-11-21 09:08:05 -0600, Merlin Moncure wrote: > This code is in a very hot code path. Are we *sure* that the read > barrier is fast enough that we don't want to provide an alternate > function that only returns the local flag? I don't know enough about > them to say either way.
A read barrier is just a compiler barrier on x86. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers