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Merged
gvanrossum merged 14 commits into from
Apr 29, 2023
+29 −2
Merged

gh-103793: Defer formatting task name #103767

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e8353cc
Defer formatting task name
itamaro Apr 24, 2023
1822ff8
Defer task name formatting also in Python Task impl
itamaro Apr 24, 2023
74d0084
Add NEWS and whatsnew entries
itamaro Apr 24, 2023
dbc7047
Merge branch 'main' into defer-task-name-formatting
ambv Apr 25, 2023
2bb6c1e
Merge branch 'main' into defer-task-name-formatting
itamaro Apr 25, 2023
2efd376
replace storing the task counter on task construction with just getti…
itamaro Apr 25, 2023
6cb321b
Merge branch 'defer-task-name-formatting' of github.com:itamaro/cpyth…
itamaro Apr 25, 2023
7cde290
remove redundant return
itamaro Apr 25, 2023
4b50646
Merge branch 'main' into defer-task-name-formatting
itamaro Apr 25, 2023
a155190
revert changes to python version
itamaro Apr 25, 2023
fb2bd7f
pass error up if PyUnicode_FromFormat returns NULL
itamaro Apr 25, 2023
41e9a59
Switch back to original "assign task number at construction" but stor…
itamaro Apr 26, 2023
712edf9
Add test that using an explicit PyLong as task name does not accident…
itamaro Apr 26, 2023
592d44b
Merge branch 'main' into defer-task-name-formatting
itamaro Apr 26, 2023
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Add NEWS and whatsnew entries
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@itamaro
itamaro committed Apr 24, 2023
commit 74d0084b7267601afecb24e3737516db27d914b1
3 changes: 3 additions & 0 deletions Doc/whatsnew/3.12.rst
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Expand Up @@ -553,6 +553,9 @@ Optimizations
replacement strings containing group references by 2--3 times.
(Contributed by Serhiy Storchaka in :gh:`91524`.)

* Speed up :class:`asyncio.Task` creation by deferring expensive string formatting.
(Contributed by Itamar O in :gh:`103793`.)


CPython bytecode changes
========================
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2023-04-24-14-38-16.gh-issue-103793.kqoH6Q.rst
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@@ -0,0 +1,3 @@
Optimized asyncio Task creation by deferring expensive string formatting
(task name generation) from Task creation to the first time ``get_name`` is
called. This makes asyncio benchmarks up to 5% faster.