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| author | Mark Shannon <mark@hotpy.org> | 2022-06-20 12:00:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-20 12:00:42 (GMT) |
| commit | ab0e60101637b7cf47f3cc95813996791e7118c4 (patch) | |
| tree | c0590854ab9e9137c872f0789763d7bb07151fb0 /Include/cpython/code.h | |
| parent | 45e62a2bc1c0000e2e9b613fff6bebf2c26fcb93 (diff) | |
| download | cpython-ab0e60101637b7cf47f3cc95813996791e7118c4.zip cpython-ab0e60101637b7cf47f3cc95813996791e7118c4.tar.gz cpython-ab0e60101637b7cf47f3cc95813996791e7118c4.tar.bz2 | |
GH-93516: Speedup line number checks when tracing. (GH-93763)
* Use a lookup table to reduce overhead of getting line numbers during tracing.
Diffstat (limited to 'Include/cpython/code.h')
| -rw-r--r-- | Include/cpython/code.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Include/cpython/code.h b/Include/cpython/code.h index 3ccd101..238bf94 100644 --- a/Include/cpython/code.h +++ b/Include/cpython/code.h @@ -62,7 +62,8 @@ typedef uint16_t _Py_CODEUNIT; PyObject *co_exceptiontable; /* Byte string encoding exception handling \ table */ \ int co_flags; /* CO_..., see below */ \ - int co_warmup; /* Warmup counter for quickening */ \ + short co_warmup; /* Warmup counter for quickening */ \ + short _co_linearray_entry_size; /* Size of each entry in _co_linearray */ \ \ /* The rest are not so impactful on performance. */ \ int co_argcount; /* #arguments, except *args */ \ @@ -90,6 +91,7 @@ typedef uint16_t _Py_CODEUNIT; PyObject *co_weakreflist; /* to support weakrefs to code objects */ \ void *_co_code; /* cached co_code object/attribute */ \ int _co_firsttraceable; /* index of first traceable instruction */ \ + char *_co_linearray; /* array of line offsets */ \ /* Scratch space for extra data relating to the code object. \ Type is a void* to keep the format private in codeobject.c to force \ people to go through the proper APIs. */ \ |