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| author | Antoine Pitrou <solipsis@pitrou.net> | 2009-02-13 13:52:33 (GMT) |
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| committer | Antoine Pitrou <solipsis@pitrou.net> | 2009-02-13 13:52:33 (GMT) |
| commit | 76a4b896c4b976d2d17df0aa7cf5c982986f8771 (patch) | |
| tree | 743fa6fa5fc179f2d4cd15aed7dbef3ab7163f95 /Misc | |
| parent | 2c079297706e4ef6a47a80d68f6e38fddddf1728 (diff) | |
| download | cpython-76a4b896c4b976d2d17df0aa7cf5c982986f8771.zip cpython-76a4b896c4b976d2d17df0aa7cf5c982986f8771.tar.gz cpython-76a4b896c4b976d2d17df0aa7cf5c982986f8771.tar.bz2 | |
Issue #5186: Reduce hash collisions for objects with no __hash__ method by
rotating the object pointer by 4 bits to the right.
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -12,6 +12,9 @@ What's New in Python 2.7 alpha 1 Core and Builtins ----------------- +- Issue #5186: Reduce hash collisions for objects with no __hash__ method by + rotating the object pointer by 4 bits to the right. + - Issue #4575: Fix Py_IS_INFINITY macro to work correctly on x87 FPUs: it now forces its argument to double before testing for infinity. |