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Surprising list overallocation from .split() #91146

@tim-one

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@tim-one
BPO 46990
Nosy @tim-one, @JelleZijlstra

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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assignee = None closed_at = None created_at = <Date 2022-03-11.22:37:20.039> labels = ['interpreter-core', '3.11', 'performance'] title = 'Surprising list overallocation from .split()' updated_at = <Date 2022-03-12.03:24:49.892> user = 'https://github.com/tim-one'

bugs.python.org fields:

activity = <Date 2022-03-12.03:24:49.892> actor = 'tim.peters' assignee = 'none' closed = False closed_date = None closer = None components = ['Interpreter Core'] creation = <Date 2022-03-11.22:37:20.039> creator = 'tim.peters' dependencies = [] files = [] hgrepos = [] issue_num = 46990 keywords = [] message_count = 3.0 messages = ['414942', '414958', '414968'] nosy_count = 2.0 nosy_names = ['tim.peters', 'JelleZijlstra'] pr_nums = [] priority = 'normal' resolution = None stage = None status = 'open' superseder = None type = 'resource usage' url = 'https://bugs.python.org/issue46990' versions = ['Python 3.11']

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    3.12only security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usage

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