[Python-Dev] Extremely slow test modules (original) (raw)
Antoine Pitrou solipsis at pitrou.net
Sat Jun 3 06:31:55 EDT 2017
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Hi,
Is there a reason some of our tests are excruciatingly slow in -uall
mode? test_multiprocessing_spawn is understandable (after all, it
will spawn a new executable for each subprocess), but other tests leave
me baffled:
- test_tools: 7 min 41 sec
- test_tokenize: 6 min 23 sec
- test_datetime: 6 min 3 sec
- test_lib2to3: 5 min 25 sec [excerpt from recent Travis CI logs]
Why does datetime, 2to3 or tokenize testing take so long? And do we have so many tools that it should take 7 minutes to run all of them? I must admit, I don't understand how we got to such a point.
Regards
Antoine.
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