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authorSam Gross <colesbury@gmail.com>2024-02-16 16:22:27 (GMT)
committerGitHub <noreply@github.com>2024-02-16 16:22:27 (GMT)
commitb24c9161a651f549ed48f4b4dba8996fe9cc4e09 (patch)
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gh-112529: Make the GC scheduling thread-safe (#114880)
The GC keeps track of the number of allocations (less deallocations) since the last GC. This buffers the count in thread-local state and uses atomic operations to modify the per-interpreter count. The thread-local buffering avoids contention on shared state. A consequence is that the GC scheduling is not as precise, so "test_sneaky_frame_object" is skipped because it requires that the GC be run exactly after allocating a frame object.
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