2017-07-20 19:23 GMT+02:00 Victor Stinner victor.stinner@gmail.com:
2017-07-20 19:09 GMT+02:00 Cesare Di Mauro cesare.di.mauro@gmail.com:
I assume that Python loads compiled (.pyc and/or .pyo) from the stdlib.
That's something that also influences the startup time (compiling source vs loading pre-compiled modules).
My benchmark was "python3 -m perf command -- python3 -c pass": I don't explicitly remove .pyc files, I expect that Python uses prebuilt .pyc files from __pycache__.
Victor
OK, that should be the best case.
An idea to improve the situation might be to find an alternative structure for .pyc/pyo files, which allows to (partially) "parallelize" their loading (not execution, of course), or at least speed-up the process. Maybe a GSoC project for some student, if no core dev has time to investigate it.
Cesare
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