“Distributed” Applies to Memory
•
DSM computers have a CTA architecture with
additional hardware to maintain coherency
•
Collectively, the controllers make the memory
look shared
P
0
Cache
P
1
Cache
P
2
Cache
P
3
Cache
$$$
Mem
$$$
Mem
$$$
Mem
$$$
Mem
Control
Control
Control
Control
Interconnection Network