[issue32355] Optimize asyncio.gather()

2017-12-19 Thread Yury Selivanov 

Change by Yury Selivanov :


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue32355] Optimize asyncio.gather()

2017-12-19 Thread Yury Selivanov 

Yury Selivanov  added the comment:


New changeset 36c2c044782997520df7fc5604742a615ccf6b17 by Yury Selivanov in 
branch 'master':
bpo-32355: Optimize asyncio.gather() (#4913)
https://github.com/python/cpython/commit/36c2c044782997520df7fc5604742a615ccf6b17


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[issue32355] Optimize asyncio.gather()

2017-12-17 Thread Yury Selivanov 

Change by Yury Selivanov :


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keywords: +patch
pull_requests: +4807
stage:  -> patch review

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[issue32355] Optimize asyncio.gather()

2017-12-17 Thread Yury Selivanov 

New submission from Yury Selivanov :

asyncio.gather can be made faster if:

1. we don't use functools.partial
2. create less intermittent collections
3. drop unnecessary code (e.g. gather has some code that's duplicated in 
ensure_future that it uses etc)

The proposed PR makes asyncio.gather 10-15% faster on the attached benchmark.

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assignee: yselivanov
components: asyncio
files: t.py
messages: 308508
nosy: asvetlov, yselivanov
priority: normal
severity: normal
status: open
title: Optimize asyncio.gather()
type: performance
versions: Python 3.7
Added file: https://bugs.python.org/file47336/t.py

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