From: Raymond Hettinger <python@rcn.com>
Date: Sun, 20 May 2012 04:20:48 +0000 (-0700)
Subject: Minor change to default lru size.  Set default to a power of two.
X-Git-Tag: v3.3.0a4~115
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=010ce3283a6989979817ffdb7beb603cb6dabe15;p=python

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

diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst
index 05f97b1bbd..1b0d82a4bf 100644
--- a/Doc/library/functools.rst
+++ b/Doc/library/functools.rst
@@ -40,7 +40,7 @@ The :mod:`functools` module defines the following functions:
    .. 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
    *maxsize* most recent calls.  It can save time when an expensive or I/O bound
diff --git a/Lib/functools.py b/Lib/functools.py
index 8ef173296d..9f024f14d7 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -166,7 +166,7 @@ class _CacheKey(list):
     def __hash__(self):
         return self.hashvalue
 
-def lru_cache(maxsize=100, typed=False):
+def lru_cache(maxsize=128, typed=False):
     """Least-recently-used cache decorator.
 
     If *maxsize* is set to None, the LRU features are disabled and the cache