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Diffstat (limited to 'Doc/whatsnew/3.3.rst')
| -rw-r--r-- | Doc/whatsnew/3.3.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst index 38a9f35..e3eddc4 100644 --- a/Doc/whatsnew/3.3.rst +++ b/Doc/whatsnew/3.3.rst @@ -477,6 +477,18 @@ new, more precise information:: '<function C.D.meth at 0x7f46b9fe31e0>' +PEP 412: Key-Sharing Dictionary +=============================== + +:pep:`412` - Key-Sharing Dictionary + PEP written and implemented by Mark Shannon. + +Dictionaries used for the storage of objects' attributes are now able to +share part of their internal storage between each other (namely, the part +which stores the keys and their respective hashes). This reduces the memory +consumption of programs creating many instances of non-builtin types. + + Using importlib as the Implementation of Import =============================================== :issue:`2377` - Replace __import__ w/ importlib.__import__ |