>> What about hypterthreading does it still happen if HTT is turned off ?

> The problem comes from keeping the caches synchronized between multiple
> physical CPUs.  AFAICS enabling HTT wouldn't make it worse, because a
> hyperthreaded processor still only has one cache.

Also, I forgot to say that the numbers I'm quoting *are* with HTT off.

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend

Reply via email to