Multiprocessor system VS one processor system
oceanare at pacific.net.sg
Mon Mar 15 23:15:47 PST 2004
Artem Koutchine wrote:
> 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.
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