gh-141594: A free-threaded JIT (Part 1)#141595

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python:mainfrom

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Commits on Nov 13, 2025

Move all JIT fields to thread state
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6a3bd75
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fix a bug with traversing states
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ba9a65a
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Commits on Nov 14, 2025

fix JIT invalidation mechanism for FT
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725894d
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fix re-entrant finalizers
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1e5713d
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Re-enable the JIT
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f0d4c57
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cleanup a little
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67de7d6
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fix weird GC bugs
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7f0bc57
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re-enable jit on some stuff
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f05e61c
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fix test, more locks!
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f78e8c8
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fix JIT builds
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e1f1b30
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only clear at end
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53c5e1d
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remove locks in JIT code
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cc38ee4
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fix a few bugs
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f8fefb3
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Commits on Nov 15, 2025

Improve tracer thread safety
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d76a24b
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set immortal before GC
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fa99108
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📜🤖 Added by blurb_it.
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fcfed96
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fix default builkd
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ba67ab7
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Merge branch 'jit_ft' of github.com:Fidget-Spinner/cpython into jit_ft
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b46385b
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Merge remote-tracking branch 'upstream/main' into jit_ft
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46285be
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fix comment
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8ce83cd
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lint
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fa55643
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fix nojit builds
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92f3dbf
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Remove heavywieght locking--not needed
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7240b15
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address review, fix bug
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cb87676
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GC executors
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f972637
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Commits on Nov 16, 2025

Change the name
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3ef237b
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Address review, remove more refcounting
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44356d6
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Fix TSAN races
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b819053
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Remove atomics from _CHECK_VALIDITY
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527aac1
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fix comment
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b80c02e
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fix typo
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4278c9d
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Re-enable the type/function reverse cache
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d84215d
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allow allow deferred things to be borrrowed too
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b08ef60
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fix warnings
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c2c8fbe
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skip bad tests
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162b1ec
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skip bad tests
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e0890ff
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Commits on Nov 17, 2025

reduce diff
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197e9f4
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Reduce diff to minmal
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46413cf
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reduce diff further
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b5d6571
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Reduce diff to near minimal
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a93c26c
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typo fix
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97d5f2b
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Address review
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c381903
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Commits on Dec 16, 2025

Merge remote-tracking branch 'upstream/main' into jit_ft
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0d6751a
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Merge remote-tracking branch 'upstream/main' into jit_ft
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8190a5c
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Commits on Dec 17, 2025

disable DCE pass for now
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973e961
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Merge remote-tracking branch 'upstream/main' into jit_ft
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2f39aa8
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Commits on Dec 18, 2025

comment out object locks
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e08c434
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enable GIL on JIT
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00ae7b5
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Commits on Dec 28, 2025

Merge remote-tracking branch 'upstream/main' into jit_ft
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4d9ffa1
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fix upstream merges
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a1ca3a7
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minor fixups
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cdbbbe3
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Fix a bug
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0678505
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Commits on Jan 5, 2026

Merge remote-tracking branch 'upstream/main' into jit_ft
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dc1e25c
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Commits on Jan 7, 2026

Merge remote-tracking branch 'upstream/main' into jit_ft
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c2416a6
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Address review comments
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65b6dd0
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reduce diff
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7d97437
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fix build
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1a4f2d0
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Add a test
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2494965
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reduce diff
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aff296a
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Commits on Jan 9, 2026

Merge remote-tracking branch 'upstream/main' into jit_ft
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8df9aed
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Commits on Jan 10, 2026

check env var when re-enabling
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fb56baa
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fix warnings
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5d987e8
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