ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Core/Common/ComputeTimeBetweenPoints/Code.py
1 #!/usr/bin/env python
2 
3 # Copyright NumFOCUS
4 #
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
8 #
9 # http://www.apache.org/licenses/LICENSE-2.0.txt
10 #
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
16 
17 import itk
18 
19 
20 def LongFunction():
21  # CPython loops are much slower than C++,
22  # so a smaller range is used in this case.
23  for i in range(int(1e5)):
24  a = 0.0 # noqa: F841
25 
26 clock = itk.TimeProbe()
27 
28 clock.Start()
29 LongFunction()
30 
31 clock.Stop()
32 print('Mean: ' + str(clock.GetMean()))
33 print('Total: ' + str(clock.GetTotal()))
34 
35 clock.Start()
36 LongFunction()
37 
38 clock.Stop()
39 print('Mean: ' + str(clock.GetMean()))
40 print('Total: ' + str(clock.GetTotal()))
41 
42 clock.Report()
itk::TimeProbe
Computes the time passed between two points in code.
Definition: itkTimeProbe.h:44