High Performance Computing 1
Symmetric Multiprocessors (SMP)
•Processors are usually superscalar -- SUN Ultra, MIPS R10000 with large cache
•Bus/crossbar used to connect to memory modules
•For bus -- 1 processor can access memory at a time
•SMP Computer
P1
P2
P3
Bus/Crossbar
...
c1
c2
c3
c3
M1
M2
M3
Sun Ultraenterprise 10000, SGI Powerchallenge