Information Technology Reference
In-Depth Information
14
alignWarp
Reslice
Softmean
Slicer
Convert
12
10
8
6
4
2
0
0
200
400
600
800
1000
1200
Time (seconds)
FIGURE 5.19
Execution tasks for processing 50 subjects.
completion time of a task. As we can see from Figure 5.16 , there are
multiple subtasks in task align_wrap and reslice . The task reslice process
was started after the align_wrap process, once an output produced by a
sub-task of align_wrap was available. However, the task softmean is started
to process after all subtasks of align_wrap have been completed, because it
requires all results produced by the subtask of align_wrap to generate a
mean image. Theoretically, after the task softmean i nishes, its child tasks
should be submitted immediately; however, there are some time intervals
TABLE 5.4
Detailed Execution Times of the Tasks for Processing 100 Subjects
Task
Start Time (min)
End Time (min)
Duration (min)
align_warp
0
22.82
22.82
reslice
2.65
28.50
25.85
softmean
28.92
43.08
14.17
sliceX
43.1
44.1
1
sliceY
43.1
44.13
1.03
sliceZ
43.1
44.07
0.97
convertX
44.4
44.72
0.32
convertY
44.42
44.75
0.33
convertZ
44.07
44.43
0.37
 
 
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