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Minor change to default lru size. Set default to a power of two.

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This commit is contained in:
Raymond Hettinger 2012-05-19 21:20:48 -07:00
parent 3759877f87
commit 010ce3283a
2 changed files with 2 additions and 2 deletions
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2
Doc/library/functools.rst
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@ -40,7 +40,7 @@ The :mod:`functools` module defines the following functions:
.. versionadded:: 3.2 .. versionadded:: 3.2
.. decorator:: lru_cache(maxsize=100, typed=False) .. decorator:: lru_cache(maxsize=128, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the Decorator to wrap a function with a memoizing callable that saves up to the
*maxsize* most recent calls. It can save time when an expensive or I/O bound *maxsize* most recent calls. It can save time when an expensive or I/O bound

2
Lib/functools.py
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@ -166,7 +166,7 @@ class _CacheKey(list):
def __hash__(self): def __hash__(self):
return self.hashvalue return self.hashvalue
def lru_cache(maxsize=100, typed=False): def lru_cache(maxsize=128, typed=False):
"""Least-recently-used cache decorator. """Least-recently-used cache decorator.
If *maxsize* is set to None, the LRU features are disabled and the cache If *maxsize* is set to None, the LRU features are disabled and the cache