Li YueXin <liyuexin@neusoft.com> writes:
> I found postgresql running on the multi CPU machine doesn't have
> better performance than single CPU machine. Can you explain the
> reason?
That's a rather sweeping statement to make without offering any
evidence, I should think.
If you gave details --- "I did x,y,z, on thus-and-such a platform,
and couldn't see any speedup" --- then you might get useful responses.
regards, tom lane