Use a non-locking initial test in TAS_SPIN on PPC. Further testing convinces me that this is helpful at sufficiently high contention levels, though it's still worrisome that it loses slightly at lower contention levels.
Per Manabu Ori. Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/bc2a050d40976441cdb963ad829316c23e8df0aa Modified Files -------------- src/include/storage/s_lock.h | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
