r189938 - in /trunk/libstdc++-v3: ChangeLog inc...

[fdumont@gcc.gnu.org]

Author: fdumont
Date: Sun Jul 29 16:44:18 2012
New Revision: 189938

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189938
Log:
2012-07-29  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/54075
	* include/bits/hashtable_policy.h
	(_Prime_rehash_policy::_M_next_bkt): Add a growth factor set to 2
	to boost growth in the number of buckets.
	* testsuite/performance/23_containers/insert/unordered_set.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/performance/23_containers/insert/unordered_set.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/hashtable_policy.h