bizarre performance issues in 6.2 release

[garcol at postino.it]

See  kern/83406: [smp] em/bge drivers: severe performance loss under SMP


sysctl machdep.cpu_idle_hlt=0
(sysctl machdep.hyperthreading_allowed=1)

Regards
Alessandro

>Try disabling hyperthreading on the 6.2-server. In some cases you get
>a moderate performance-increase, in most cases this setting is
>counter-productive.
>
>regards
>Claus