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RustPython / RustPython Public

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Optimize unpack, str.add and fastlocals#7293

Merged

youknowone merged 9 commits intoRustPython:mainRustPython/RustPython:mainfrom

youknowone:worktree-perf-step1youknowone/RustPython:worktree-perf-step1Copy head branch name to clipboard

Mar 2, 2026

Conversation Commits9 (9)Checks Files changed

Merged

Optimize unpack, str.add and fastlocals#7293
youknowone merged 9 commits intoRustPython:mainfrom
youknowone:worktree-perf-step1

Commits

Commits on Mar 1, 2026

Remove intermediate Vec allocation in unpack_sequence fast path
youknowone
committed
Use read-only atomic load before swap in check_signals
youknowone
committed
Cache builtins downcast in ExecutingFrame for LOAD_GLOBAL
youknowone
committed
Add number Add slot to PyStr for direct str+str dispatch
youknowone
committed
Guard FastLocals access in locals() with try_lock on state mutex
youknowone
committed
Use exact type check for builtins_dict cache
youknowone
committed
Consolidate with_recursion in _cmp to single guard
youknowone
committed
Add opcode-level fast paths for FOR_ITER, COMPARE_OP, BINARY_OP
youknowone
committed
Also check globals is exact dict for LOAD_GLOBAL fast path
youknowone
committed

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