On Thu, Mar 21, 2002, Andres Kroonmaa wrote:
> > actually, Solaris generally _isn't_ compiled for SMP. you're confusing
> > pre-emption with SMP.
> > also note that the big-iron sun hardware with >4 CPUs isn't SMP but rather
> > CC-NUMA.
>
> Hehe ;) do you seriously think you can get away with that?
> We all now expect you share ~500 words to back your statement. ;)
>
> I can agree that Solaris is not _compiled_ for SMP, it rather _is_
> by its very design. And that does take its toll.
Ok, maybe I was a little unclear. Yes, Solaris 8 is built out
of the box for concurrenc CPUs, but I've seen solaris 8 builds
that have all the kernel mutexes NULLed out - effectively making it
single CPU only. The speedup was pretty impressive on the x86.
Adrian
Received on Thu Mar 21 2002 - 03:56:26 MST
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