[issue26415] Excessive peak memory consumption by the Python parser

Pablo Galindo Salgado added the comment: Closing as we have a new parser in 3.9 and the current one will be removed in Python 3.10. -- resolution: -> rejected stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue26415] Excessive peak memory consumption by the Python parser

Change by Inada Naoki : -- nosy: +inada.naoki ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue26415] Excessive peak memory consumption by the Python parser

Change by Pablo Galindo Salgado : -- nosy: +pablogsal ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue26415] Excessive peak memory consumption by the Python parser

Change by Serhiy Storchaka : -- assignee: -> serhiy.storchaka ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: I've run pyperformance (0.7.0) with my updated patch, and posted results at the PR page. They look encouraging enough. -- ___ Python tracker

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: @Serhiy: incredibly, this patch from 2.5 years ago required very minor changes to apply to the latest master. Shows how ossified the parser is :-) Now posted as https://github.com/python/cpython/pull/10995 -- ___

[issue26415] Excessive peak memory consumption by the Python parser

Change by Roundup Robot : -- keywords: +patch pull_requests: +10236 ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue26415] Excessive peak memory consumption by the Python parser

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[issue26415] Excessive peak memory consumption by the Python parser

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[issue26415] Excessive peak memory consumption by the Python parser

Serhiy Storchaka added the comment: Do you mind to create a pull request for reviewing? I can not promise that it will be merged, but it will have a chance. For reference, the article about this patch (on Russian): https://habr.com/post/314062/ . -- versions: +Python 3.8 -Python

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: To bump this year-old issue, I have delivered a talk at EuroPython 2017, explaining what my patch does, how it does what it does, and why it's a good thing to do. You can watch my talk at https://www.youtube.com/watch?v=dyRDmcsTwhE=1h52m38s --

[issue26415] Excessive peak memory consumption by the Python parser

Changes by Charalampos Stratakis : -- nosy: +cstratak ___ Python tracker ___ ___

[issue26415] Excessive peak memory consumption by the Python parser

Changes by Petr Viktorin : -- nosy: +encukou ___ Python tracker ___ ___ Python-bugs-list

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: Updated the comment for Init_ValidationGrammar() -- Added file: http://bugs.python.org/file44370/patch ___ Python tracker

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: Xavier, the big picture description of my patch is in http://bugs.python.org/file43665/devguide_patch The heap fragmentation was observed by Victor, not by myself. Victor, could you please create a new ticket for your python_memleak.py reproducer? --

[issue26415] Excessive peak memory consumption by the Python parser

Xavier Combelle added the comment: Looks that there is two bug as partial solution of the main bug which is reduce memory consumption of the parser: - The compression thing - the reducing of heap fragmentation Could each sub bug have it's own bug tracker and mark them blocking for the main bug

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: Fixing whitespace in the patch, and including an update for the docs -- Added file: http://bugs.python.org/file43664/patch ___ Python tracker

[issue26415] Excessive peak memory consumption by the Python parser

Changes by A. Skrobov : Added file: http://bugs.python.org/file43665/devguide_patch ___ Python tracker ___

[issue26415] Excessive peak memory consumption by the Python parser

A. Skrobov added the comment: (Updating the issue title, to avoid confusion between two orthogonal concerns) -- title: Fragmentation of the heap memory in the Python parser -> Excessive peak memory consumption by the Python parser ___ Python tracker