Information Technology Reference
In-Depth Information
300
NetPacket
FlowPacket
250
200
150
100
50
0
0
50
100
150
200
File size (MB)
250
300
350
400
450
500
FIGURE 15.6
Comparison of peak memory usage for “dog-bone” simulation run.
Gridlets with 5000 byte input i le, an service requirement of 5000 MI and
return a 5000 byte output i le to 10 available resources. The number of
Gridlets sent by each user is varied from 5 to 40.
From Figure 15.7 we can see that as the number of Gridlets being sent by
each user increases, the CPU time taken to execute the simulation increases
exponentially (highlighted by the near-linear line on the plot, where the
y
-axis is a log scale). On the other hand, the FlowPacket implementation
10000
NetPacket
FlowPacket
1000
100
10
1
0.1
5
10
15
20
# of Gridlets
25
30
35
40
FIGURE 15.7
Comparison of CPU time needed for Gridlet simulation run.
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