Skip to content

PEP 836: Clarify FT support != sequential consistency #5025

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

Open
Fidget-Spinner wants to merge 1 commit into
base: main
Choose a base branch
from
+4 −2
Open

PEP 836: Clarify FT support != sequential consistency #5025

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
6 changes: 4 additions & 2 deletions peps/pep-0836.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -550,8 +550,10 @@ slight (1-2% geomean) performance hit initially.

All future optimizations upon resuming JIT development will be reviewed with
free-threading compatibility and performance impact required before merge.
Optimizations that rely solely on the GIL build and break on the free-threaded
build will be rejected.
Optimizations that work solely on the GIL build and are absent on the free-threaded
build will be rejected. For the avoidance of doubt: this does not imply
that the JIT must exhibit sequential consistency. Rather, that our initial
focus is on improving the free-threaded build's JIT performance.

Additionally, the JIT may eventually even produce better performance versus the
free-threading build than the current GIL build. Early experiments in the JIT
Expand Down
Loading