[issue42081] Consider fast_double_parser for faster str->double

[Antoine Pitrou]

Change by Antoine Pitrou :


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resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> micro-optimization: increase our float parsing speed by Nx

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[issue42081] Consider fast_double_parser for faster str->double

[Antoine Pitrou]

Antoine Pitrou  added the comment:

Oh, thank you.

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[issue42081] Consider fast_double_parser for faster str->double

[Eric V. Smith]

Eric V. Smith  added the comment:

This was proposed in issue 41310.

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nosy: +eric.smith

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[issue42081] Consider fast_double_parser for faster str->double

[Antoine Pitrou]

New submission from Antoine Pitrou :

This is more of a "could be nice" entry if there are any interested core 
developers.

A new algorithm and library was recently published for faster parsing of double 
numbers.  It claims rigorous accuracy and the performance is impressive.  The 
implementation is in C++ but it's really decorated C.  It also seems simple 
enough that it can be reimplemented independently.

https://github.com/lemire/fast_double_parser/

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components: Interpreter Core
messages: 378960
nosy: mark.dickinson, pitrou, tim.peters
priority: low
severity: normal
status: open
title: Consider fast_double_parser for faster str->double
type: enhancement
versions: Python 3.10

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