Multiprocessor system VS one processor system

[Erich Dollansky]

Hi,

Artem Koutchine wrote:

> Hm..
> Let me make up  a case.
>  Two boxes:
> 1) Dual CPU  X Mhz with Y KB of cache
> 2) Sinnge CPU with 2X Mhz and 2Y KB of cache
> 
> Which one is faster under FreeBSD? I think the
> second one, because SMP overhead is gone.
> 
It still depends on the program you run.

The individual task will be completed faster on system 2 but the 
overall performance will be better on system one.

System 2 has always to stop a task when switching to another one. 
System 1 can run two task at the same moment of time.

Erich