8000 GH-118093: Better handling of short and mid-loop traces by brandtbucher · Pull Request #122252 · python/cpython · GitHub
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GH-118093: Better handling of short and mid-loop traces #122252

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Merged
merged 10 commits into from
Jul 29, 2024
Merged

GH-118093: Better handling of short and mid-loop traces #122252

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f8637ce
Allow one backward jump per trace, anywhere
brandtbucher Jul 17, 2024
f1f5d13
Use progress, rather than trace length, to reject traces
brandtbucher Jul 17, 2024
159e46b
Add missing RESERVEs
brandtbucher Jul 25, 2024
511ec09
Clean up overflow recovery
brandtbucher Jul 25, 2024
ba3d68b
Add asserts back and teach is_resume about ENTER_EXECUTOR
brandtbucher Jul 26, 2024
7c404a8
Guard _Py_GetExecutor on non-tier-two builds
brandtbucher Jul 26, 2024
1606abd
Revert "Guard _Py_GetExecutor on non-tier-two builds"
brandtbucher Jul 29, 2024
6901f60
Revert "Add asserts back and teach is_resume about ENTER_EXECUTOR"
brandtbucher Jul 29, 2024
9bcc643
Add comment to removed asserts
brandtbucher Jul 29, 2024
cd1f4d2
Catch up with main
brandtbucher Jul 29, 2024
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Add comment to removed asserts
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@brandtbucher
brandtbucher committed Jul 29, 2024
commit 9bcc6435540e67fa88a293b63bb75dab50380e8b
3 changes: 3 additions & 0 deletions Objects/genobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -342,6 +342,9 @@ _PyGen_yf(PyGenObject *gen)
{
if (gen->gi_frame_state == FRAME_SUSPENDED_YIELD_FROM) {
_PyInterpreterFrame *frame = &gen->gi_iframe;
// GH-122390: These asserts are wrong in the presence of ENTER_EXECUTOR!
// assert(is_resume(frame->instr_ptr));
// assert((frame->instr_ptr->op.arg & RESUME_OPARG_LOCATION_MASK) >= RESUME_AFTER_YIELD_FROM);
return PyStackRef_AsPyObjectNew(_PyFrame_StackPeek(frame));
}
return NULL;
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