Analysis ...
•
Should consider time, processors, comm, etc.
•
Time : operation depth
•
= log
2
n
•
Processors :
•
P = n/2
•
Space: P temp cells
•
Comm = P-1 sends
x
1
x
3
x
2
x
4
x
5
x
7
x
6
x
8
s
3,4
s
1,2
s
5,6
s
7,8
s
1,4
s
5,8
s
1,8
P
0
P
1
P
2
P
3