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Speed up pickling simple non-recusive values #78322
Description
| BPO | 34141 |
|---|---|
| Nosy | @pitrou, @avassalotti, @serhiy-storchaka |
| PRs |
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 = None
closed_at = <Date 2018-07-18.07:20:57.114>
created_at = <Date 2018-07-17.16:49:06.639>
labels = ['3.8', 'library', 'performance']
title = 'Speed up pickling simple non-recusive values'
updated_at = <Date 2018-07-18.07:20:57.113>
user = 'https://github.com/serhiy-storchaka'bugs.python.org fields:
activity = <Date 2018-07-18.07:20:57.113>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2018-07-18.07:20:57.114>
closer = 'serhiy.storchaka'
components = ['Library (Lib)']
creation = <Date 2018-07-17.16:49:06.639>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 34141
keywords = ['patch']
message_count = 2.0
messages = ['321841', '321862']
nosy_count = 3.0
nosy_names = ['pitrou', 'alexandre.vassalotti', 'serhiy.storchaka']
pr_nums = ['8318']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue34141'
versions = ['Python 3.8']
Activity
serhiy-storchaka commentedon Jul 17, 2018
The proposed PR reduces an overhead of calling Py_EnterRecursiveCall() when pickle simple non-recusive values: None, True, False, instances of int, float, bytes, str.
Unpatched: 218 msec per loop
Patched: 147 msec per loop
Unpatched: 218 msec per loop
Patched: 179 msec per loop
Unpatched: 212 msec per loop
Patched: 201 msec per loop
serhiy-storchaka commentedon Jul 18, 2018
New changeset 5d4cb54 by Serhiy Storchaka in branch 'master':
bpo-34141: Optimized pickling simple non-recursive values. (GH-8318)
5d4cb54