Remove Frame mutex and use DataStack bump allocator for LocalsPlus - #7333

Merged

youknowone merged 14 commits into

RustPython:mainfrom

youknowone:worktree-frame-datastack

Mar 4, 2026

Commits on Mar 4, 2026

Remove PyMutex<FrameState> from Frame, use UnsafeCell fields directly
youknowone
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f869c35
Add thread-local DataStack for bump-allocating frame data
youknowone
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85df41e
Unify FastLocals and BoxVec stack into LocalsPlus
youknowone
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e286597
Use DataStack for LocalsPlus in non-generator function calls
youknowone
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9dbe95d
Fix clippy: import Layout from core::alloc instead of alloc::alloc
youknowone
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a5981f0
Fix vectorcall compatibility with LocalsPlus API
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938fdf7
Add datastack, nlocalsplus, ncells, tstate to cspell dictionary
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fa49f5d
Fix DataStack pop() for non-monotonic allocation addresses
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6a6e90d
Fix stale comments: release_datastack -> materialize_localsplus
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2cc6b58
Fix non-threading mode for parallel test execution
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f300ff3
Fix CallAllocAndEnterInit to use LocalsPlus stack API
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927269c
Use checked arithmetic in LocalsPlus and DataStack allocators
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e8d94bb
Address code review: checked arithmetic, threading feature deps, Send gate
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16778fc
Clean up comments: remove redundant/stale remarks, fix CPython references
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22df0c6