Store startup modules as C structures for 20%+ startup speed improvement

larryhastings

BPO	34690
Nosy	@warsaw, @nascheme, @ncoghlan, @larryhastings, @ericvsmith, @phsilva, @ericsnowcurrently, @tirkarthi, @1ace
PRs	bpo-34690: DO NOT MERGE - Experimental "frozen modules". #9320

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/larryhastings'
closed_at = None
created_at = <Date 2018-09-14.21:23:50.626>
labels = ['interpreter-core', 'type-feature', '3.8']
title = 'Store startup modules as C structures for 20%+ startup speed improvement'
updated_at = <Date 2020-12-18.18:11:31.629>
user = 'https://github.com/larryhastings'

bugs.python.org fields:

activity = <Date 2020-12-18.18:11:31.629>
actor = '1ace'
assignee = 'larry'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2018-09-14.21:23:50.626>
creator = 'larry'
dependencies = []
files = []
hgrepos = []
issue_num = 34690
keywords = ['patch']
message_count = 6.0
messages = ['325401', '325403', '325407', '325410', '325745', '325872']
nosy_count = 9.0
nosy_names = ['barry', 'nascheme', 'ncoghlan', 'larry', 'eric.smith', 'phsilva', 'eric.snow', 'xtreak', '1ace']
pr_nums = ['9320']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue34690'
versions = ['Python 3.8']