[Python-checkins] cpython: Flatten the lru cache keyword args tuple for better memory utilization.

[raymond.hettinger]

http://hg.python.org/cpython/rev/399cb1afb747
changeset:   76643:399cb1afb747
user:        Raymond Hettinger <python at rcn.com>
date:        Sun Apr 29 12:28:02 2012 -0700
summary:
  Flatten the lru cache keyword args tuple for better memory utilization.

files:
  Lib/functools.py |  4 +++-
  1 files changed, 3 insertions(+), 1 deletions(-)


diff --git a/Lib/functools.py b/Lib/functools.py
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -185,7 +185,9 @@
             key = args
             if kwds:
                 sorted_items = tuple(sorted(kwds.items()))
-                key += kwd_mark + sorted_items
+                key += kwd_mark
+                key += tuple(k for k, v in sorted_items)
+                key += tuple(v for k, v in sorted_items)
             if typed:
                 key += tuple(type(v) for v in args)
                 if kwds:

-- 
Repository URL: http://hg.python.org/cpython