P
1
$
Ctlr
a:4
01000
P
2
$
Ctlr
P
3
$
Ctlr
Detailed Example
Consider the example similar to last week
The assumptions are
a is globally allocated
a has its home at P
1
P
0
previously read a
P
1
reads a into its cache
P
3
reads a into its cache
P
3
changes a to 5
{P
2
reads a into its cache
P
2
writes a in its cache}
P
0
a:V:4
Ctlr
Interconnection Network