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

Chris Barker chris.barker at noaa.gov
Wed Jul 19 19:11:24 EDT 2017

As long as we are talking anecdotes:

If it could save a person’s life, could you find a way to save ten seconds off the boot time? If there were five million people using the Mac, and it took ten seconds extra to turn it on every day, that added up to three hundred million or so hours per year people would save, which was the equivalent of at least one hundred lifetimes saved per year.

Steve Jobs.

(http://stevejobsdailyquote.com/2014/03/26/boot-time/) It really does depend on how/what users are using Python for. In general, Python has been moving more and more toward a "systems development language" from a "scripting language". Which may make us think "scripting" issues like startup time don't matter -- but,. of course, they matter a lot to those use cases.

-CHB

On Wed, Jul 19, 2017 at 1:35 PM, Antoine Pitrou <solipsis at pitrou.net> wrote:

On Wed, 19 Jul 2017 15:26:47 -0400 Ben Hoyt <benhoyt at gmail.com> wrote: > Yes, agreed that startup time matters for scripting. I was talking to > someone on the Google Cloud SDK (CLI) team recently, and they said startup > time is a big deal for them ... it's especially problematic for shell tab > completion helpers, because every time you press tab the shell has to load > your Python program to do the completion.

And also, for the same reason, for shell prompt additions such as git-prompt. Mercurial had to write a C client (chg) to make this usable. Regards Antoine.

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