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@sweeneyde
sweeneyde gh-97912: Avoid quadratic behavior when adding LOAD_FAST_CHECK (GH-97952
39bc70e Oct 21, 2022
gh-97912: Avoid quadratic behavior when adding LOAD_FAST_CHECK (GH-97952 
)

* The compiler analyzes the usage of the first 64 local variables all at once using bit masks.

* Local variables beyond the first 64 are only partially analyzed, achieving linear time.
39bc70e

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clinic
 
 
deepfreeze
 
 
frozen_modules
 
 
Python-ast.c
 
 
Python-tokenize.c
 
 
README
 
 
_warnings.c
 
 
adaptive.md
 
 
asdl.c
 
 
ast.c
 
 
ast_opt.c
 
 
ast_unparse.c
 
 
bltinmodule.c
 
 
bootstrap_hash.c
 
 
ceval.c
 
 
ceval_gil.c
 
 
codecs.c
 
 
compile.c
 
 
condvar.h
 
 
context.c
 
 
dtoa.c
 
 
dup2.c
 
 
dynamic_annotations.c
 
 
dynload_hpux.c
 
 
dynload_shlib.c
 
 
dynload_stub.c
 
 
dynload_win.c
 
 
emscripten_signal.c
 
 
errors.c
 
 
fileutils.c
 
 
formatter_unicode.c
 
 
frame.c
 
 
frozen.c
 
 
frozenmain.c
 
 
future.c
 
 
getargs.c
 
 
getcompiler.c
 
 
getcopyright.c
 
 
getopt.c
 
 
getplatform.c
 
 
getversion.c
 
 
hamt.c
 
 
hashtable.c
 
 
import.c
 
 
importdl.c
 
 
importdl.h
 
 
importlib.h
 
 
initconfig.c
 
 
makeopcodetargets.py
 
 
marshal.c
 
 
modsupport.c
 
 
mysnprintf.c
 
 
mystrtoul.c
 
 
opcode_targets.h
 
 
pathconfig.c
 
 
preconfig.c
 
 
pyarena.c
 
 
pyctype.c
 
 
pyfpe.c
 
 
pyhash.c
 
 
pylifecycle.c
 
 
pymath.c
 
 
pystate.c
 
 
pystrcmp.c
 
 
pystrhex.c
 
 
pystrtod.c
 
 
pythonrun.c
 
 
pytime.c
 
 
specialize.c
 
 
stdlib_module_names.h
 
 
structmember.c
 
 
suggestions.c
 
 
symtable.c
 
 
sysmodule.c
 
 
thread.c
 
 
thread_nt.h
 
 
thread_pthread.h
 
 
thread_pthread_stubs.h
 
 
traceback.c
 
 

README 

Miscellaneous source files for the main Python shared library