"Dmitri Nikulin" <dnikulin@gmail.com> wrote:
 ...
quoted text
> Worthy archs are Alpha, Sparc (32 and 64), AMD64, i386,
> PowerPC, POWER5, IA64. The rest is not very useful. 
> Am I missing one? Can you SMP ARM or MIPS?

I believe these duals (and the quads too?) are used in Cisco systems:
http://www.broadcom.com/products/Data-Telecom-Networks/Communications-Processors

NetBSD's sbmips port targets Broadcom's dualcore evaluation board.
http://www.netbsd.org/Ports/sbmips/
http://www.broadcom.com/products/Data-Telecom-Networks/Communications-Processors/BCM91...

Cavium seem to be offering some interesting multicore chips:
http://www.cavium.com/newsevents_OCTEONMIPS64.html

/Jonas Sundström.                www.kirilla.com