Python Profiling

Line Profiler

https://lothiraldan.github.io/2018-02-18-python-line-profiler-without-magic/

python script를 한줄 단위로 profiling해줌

아래의 code snippets으로 쉽게 decorator로 구현 가능

https://gist.github.com/kylegibson/6583590

cProfile

import cProfile, pstats, io
from pstats import SortKey
pr = cProfile.Profile()
pr.enable()
self.train_run()
pr.disable()

s = io.StringIO()
sortby = SortKey.CUMULATIVE
ps = pstats.Stats(pr, stream=s).sort_stats(sortby)
ps.print_stats()
with open('profile.txt', 'w+') as f:
    f.write(s.getvalue())
print(s.getvalue())

python -m cProfile ../run_service.py > profile_result.txt

https://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script

https://stackoverflow.com/questions/51536411/saving-cprofile-results-to-readable-external-file