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| author | Mark Shannon <mark@hotpy.org> | 2024-12-02 10:12:17 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-12-02 10:12:17 (GMT) |
| commit | a8dd821d5b25b42c0adeae6642e9b3f9228580f9 (patch) | |
| tree | c6f62d9d50569a4dd7aae23db945fc21bfa82e4b /Misc | |
| parent | 2a373da7700cf928e0a5ce3998d19351a3565df4 (diff) | |
| download | cpython-a8dd821d5b25b42c0adeae6642e9b3f9228580f9.zip cpython-a8dd821d5b25b42c0adeae6642e9b3f9228580f9.tar.gz cpython-a8dd821d5b25b42c0adeae6642e9b3f9228580f9.tar.bz2 | |
GH-126491: GC: Mark objects reachable from roots before doing cycle collection (GH-127110)
* Mark almost all reachable objects before doing collection phase
* Add stats for objects marked
* Visit new frames before each increment
* Update docs
* Clearer calculation of work to do.
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS.d/next/Core_and_Builtins/2024-11-21-16-13-52.gh-issue-126491.0YvL94.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2024-11-21-16-13-52.gh-issue-126491.0YvL94.rst b/Misc/NEWS.d/next/Core_and_Builtins/2024-11-21-16-13-52.gh-issue-126491.0YvL94.rst new file mode 100644 index 0000000..9ef2b8d --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2024-11-21-16-13-52.gh-issue-126491.0YvL94.rst @@ -0,0 +1,4 @@ +Add a marking phase to the GC. All objects that can be transitively reached +from builtin modules or the stacks are marked as reachable before cycle +detection. This reduces the amount of work done by the GC by approximately +half. |