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Quick test to see if removing the tier2 interpreter speeds up tier1 #117908

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gvanrossum wants to merge 9 commits into from
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Quick test to see if removing the tier2 interpreter speeds up tier1 #117908

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dba4b9b
Hard-code _Py_NOTIER2 **temporarily** until I figure out how to add a…
gvanrossum Apr 15, 2024
ada980b
Disallow JIT and NOTIER2 flags together
gvanrossum Apr 15, 2024
2794ead
If NOTIER2, don't ever call into it from bytecodes.c
gvanrossum Apr 15, 2024
aa47106
Remove tier2 interpreter if NOTIER2
gvanrossum Apr 15, 2024
2055e5f
Fix test_opt (expose _opcode.NOTIER2 and disable tests if set)
gvanrossum Apr 15, 2024
4d33fa2
Leave Windows compiler optimization on if _Py_NOTIER2 is defined
gvanrossum Apr 16, 2024
0c195cb
Fix the problem with CALL_STAT_INC (see issue)
gvanrossum Apr 16, 2024
e83be54
Support a proper ./configure option --disable-tier2
gvanrossum Apr 15, 2024
ced0ca9
Also disable updating the bitmask cache for PUP_JUMP_IF*
gvanrossum Apr 16, 2024
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Disallow JIT and NOTIER2 flags together
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@gvanrossum
gvanrossum committed Apr 15, 2024
commit ada980bb462296301411fc085338f8b69ac9cea3
4 changes: 4 additions & 0 deletions Include/internal/pycore_jit.h
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Expand Up @@ -11,6 +11,10 @@ extern "C" {

#ifdef _Py_JIT

#ifdef _Py_NOTIER2
# error "can't define _Py_JIT and _Py_NOTIER2 at the same time"
#endif

typedef _Py_CODEUNIT *(*jit_func)(_PyInterpreterFrame *frame, PyObject **stack_pointer, PyThreadState *tstate);

int _PyJIT_Compile(_PyExecutorObject *executor, const _PyUOpInstruction *trace, size_t length);
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