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GH-93516: Speedup line number checks when tracing. (GH-93763)

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* Use a lookup table to reduce overhead of getting line numbers during tracing.
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Mark Shannon 2022-06-20 13:00:42 +01:00 • committed by GitHub
parent 45e62a2bc1
commit ab0e601016
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6 changed files with 101 additions and 8 deletions
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Tools/scripts/deepfreeze.py
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@ -254,6 +254,7 @@ def generate_code(self, name: str, code: types.CodeType) -> str:
self.write(f".co_exceptiontable = {co_exceptiontable},")
self.field(code, "co_flags")
self.write(".co_warmup = QUICKENING_INITIAL_WARMUP_VALUE,")
self.write("._co_linearray_entry_size = 0,")
self.field(code, "co_argcount")
self.field(code, "co_posonlyargcount")
self.field(code, "co_kwonlyargcount")
@ -271,6 +272,7 @@ def generate_code(self, name: str, code: types.CodeType) -> str:
self.write(f".co_name = {co_name},")
self.write(f".co_qualname = {co_qualname},")
self.write(f".co_linetable = {co_linetable},")
self.write("._co_linearray = NULL,")
self.write(f".co_code_adaptive = {co_code_adaptive},")
for i, op in enumerate(code.co_code[::2]):
if op == RESUME: