Ashkil Dighin <ashkildighin76@xxxxxxxxx> writes: > I suspect lock contention and performance issues with __int128. And I would > like to check the performance by forcibly disabling int128(Maxalign16bytes) > and enable like long long(maxlign 8bytes). > Is it possible to disable int128 in PostgreSQL? Sure, you can build without it --- easiest way would be to modify pg_config.h after the configure step. But the idea that it has something to do with lock contention seems like nonsense. regards, tom lane
