Re: Ultra AXmp

[Ward Deng <wdeng@KachinaTech.COM>]

> 
> I thought the real claim to fame of all of Sun's multiprocessing
> systems (and the SP2, and the Power Challenge, and the...) has always
> been their really fast/expensive IPC bus, not their interface to
                                   ^^^^^^^
What do you mean that?

IBM RS6000/SP2 is distributed memory system, or workstations linked with
external high-speed switch. Sun's MP systems are all SMP design. SGI 
Power Challenge or Onyx are SMP too. The newer SGI Origin is SMP with
special memory links -- ccNUMA. They are very different architectures
while SP nodes are no different from IBM's RS6000 workstations.

> peripherals.
> 
>     rgb
> 
> Robert G. Brown	                       http://www.phy.duke.edu/~rgb/
> Duke University Dept. of Physics, Box 90305
> Durham, N.C. 27708-0305
> Phone: 1-919-660-2567  Fax: 919-660-2525     email:rgb@phy.duke.edu
> 
> 
> 
>