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Set cache sizes to a power-of-two

This commit is contained in:
Raymond Hettinger 2013-02-17 01:33:37 -08:00
parent 5b49962f7e
commit d0dbb20f5f
2 changed files with 3 additions and 3 deletions
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2
Lib/fnmatch.py
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@ -35,7 +35,7 @@ def fnmatch(name, pat):
pat = os.path.normcase(pat) pat = os.path.normcase(pat)
return fnmatchcase(name, pat) return fnmatchcase(name, pat)
@functools.lru_cache(maxsize=250, typed=True) @functools.lru_cache(maxsize=256, typed=True)
def _compile_pattern(pat): def _compile_pattern(pat):
if isinstance(pat, bytes): if isinstance(pat, bytes):
pat_str = str(pat, 'ISO-8859-1') pat_str = str(pat, 'ISO-8859-1')

4
Lib/re.py
View File

@ -261,7 +261,7 @@ def escape(pattern):
_pattern_type = type(sre_compile.compile("", 0)) _pattern_type = type(sre_compile.compile("", 0))
@functools.lru_cache(maxsize=500, typed=True) @functools.lru_cache(maxsize=512, typed=True)
def _compile(pattern, flags): def _compile(pattern, flags):
# internal: compile pattern # internal: compile pattern
if isinstance(pattern, _pattern_type): if isinstance(pattern, _pattern_type):
@ -273,7 +273,7 @@ def _compile(pattern, flags):
raise TypeError("first argument must be string or compiled pattern") raise TypeError("first argument must be string or compiled pattern")
return sre_compile.compile(pattern, flags) return sre_compile.compile(pattern, flags)
@functools.lru_cache(maxsize=500) @functools.lru_cache(maxsize=512)
def _compile_repl(repl, pattern): def _compile_repl(repl, pattern):
# internal: compile replacement pattern # internal: compile replacement pattern
return sre_parse.parse_template(repl, pattern) return sre_parse.parse_template(repl, pattern)