How to install
Use pip to install this package:
pip install line_profiler
It is easier to install using conda, since it does not require building the package from source:
# if you use pip on Windows, you must have Visual Studio to build the package.
conda install line_profiler
How to profile?
Line profiler has a command line execute named
Annotate the function we want to profile with
Then run the following command on the command line:
kernprof -v -l -u 1e-3 test_script.py
By default, kernprof will only generate the profile result file, but do not print the result.
The name of result file is the original Python script name suffixed with
To check the profile result, we need to run line_profiler again:
python -m line_profiler test_script.py.lprof
-v option tells
kernprof to show the profile result.
-l option will print the profile time for each line for the given function.
-u option specify the unit of measure, which is
1e-6 seconds by default.
The command line options to
test_script.py can be followed after it.
Just like you call
License CC BY-NC-ND 4.0