[Python-Dev] Python startup time (original) (raw)

Alex Walters tritium-list at sdamon.com
Sat Jul 22 04:37:06 EDT 2017

-----Original Message----- From: Python-Dev [mailto:python-dev-bounces+tritium-_ _list=sdamon.com at python.org] On Behalf Of Paul Moore Sent: Saturday, July 22, 2017 4:14 AM To: David Mertz <mertz at gnosis.cx> Cc: Barry Warsaw <barry at python.org>; Python-Dev <python-_ _dev at python.org> Subject: Re: [Python-Dev] Python startup time

It's a bit of a chicken and egg problem - Windows users avoid excessive command line program invocation because startup time is high, so no-one optimises startup time because Windows users don't use short-lived command line programs. But I'm seeing a trend away from that - more and more Windows tools these days seem to be comfortable spawning subprocesses. I don't know what prompted that trend.

The programs I see that are comfortable spawning processes willy-nilly on windows are mostly .net, which has a lot of the runtime assemblies cached by the OS in the GAC - if you are spawning a second processes of yourself, or something that uses the same libraries as you, the compile step on those can be skipped. Unless you are talking about python/non-.NET programs, in which case, I have no answer.

Paul

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