Skip to content

gh-131757: allow lru_cache functions to execute concurrently #131758

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vstinner merged 19 commits into from
Apr 14, 2025
Merged

gh-131757: allow lru_cache functions to execute concurrently #131758

Changes from 1 commit
Commits
Show all changes
19 commits
Select commit Hold shift + click to select a range
d60c12c
gh-131757: allow lru_cache functions to execute concurrently
tom-pytel Mar 26, 2025
2dfcea3
📜🤖 Added by blurb_it.
blurb-it[bot] Mar 26, 2025
c700d1e
fix smelly symbols
tom-pytel Mar 26, 2025
24d4f7a
fix smelly symbols for real this time
tom-pytel Mar 26, 2025
7ead4ee
requested changes
tom-pytel Mar 26, 2025
68d14ea
remove unnecessary atomics
tom-pytel Mar 26, 2025
028f18b
add FT_ATOMIC_ADD_SSIZE just in this file
tom-pytel Mar 26, 2025
6c74b26
_PyDict_GetItemRef_KnownHash_LockHeld()
tom-pytel Mar 26, 2025
2910429
requested changes
tom-pytel Mar 27, 2025
1282325
stupid news
tom-pytel Mar 27, 2025
34f7fe7
requested changes
tom-pytel Mar 27, 2025
60a475d
FT_ATOMIC_ADD_SSIZE into pyatomic_ft_wrappers.h
tom-pytel Mar 28, 2025
4200582
stupid warnings
tom-pytel Mar 28, 2025
aed9b45
return type
tom-pytel Mar 28, 2025
47e47d5
FT_ATOMIC_ADD_SSIZE no return value
tom-pytel Mar 28, 2025
416defe
Merge branch 'main' into fix-issue-131757
tom-pytel Apr 4, 2025
2e7bcf4
Merge branch 'main' into fix-issue-131757
tom-pytel Apr 14, 2025
11eab6d
bounded_lru_cache_get_lock_held atomic writes so tsan doesn't complain
tom-pytel Apr 14, 2025
5d1bf31
fix indentation
tom-pytel Apr 14, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
remove unnecessary atomics
  • Loading branch information
@tom-pytel
tom-pytel committed Mar 26, 2025
commit 68d14eaee615ae8927d4cb82d65ed31535952005
8 changes: 0 additions & 8 deletions Modules/_functoolsmodule.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1312,11 +1312,7 @@ bounded_lru_cache_get_lock_held(lru_cache_object *self, PyObject *args, PyObject
lru_cache_extract_link(link);
lru_cache_append_link(self, link);
*result = link->result;
#ifdef Py_GIL_DISABLED
_Py_atomic_add_ssize(&self->hits, 1);
#else
self->hits++;
Comment thread
tom-pytel marked this conversation as resolved.
Outdated
Comment thread
tom-pytel marked this conversation as resolved.
Outdated
#endif
Py_INCREF(link->result);
Py_DECREF(key_);
return 1;
Expand All @@ -1325,11 +1321,7 @@ bounded_lru_cache_get_lock_held(lru_cache_object *self, PyObject *args, PyObject
Py_DECREF(key_);
return -1;
}
#ifdef Py_GIL_DISABLED
_Py_atomic_add_ssize(&self->misses, 1);
#else
self->misses++;
Comment thread
ZeroIntensity marked this conversation as resolved.
Outdated
Comment thread
tom-pytel marked this conversation as resolved.
Outdated
#endif
return 0;
}

Expand Down