mariusmuja/flann — pull request #131 by choni (2013-08-21 01:15:34+00:00)
Title: Add multi thread indexing to hierarchical_clustering_index.

OpenMP is used for multi threading.

About 3.3 times faster than single thread version. (MacBook Pro Retina, 2.7 GHz Intel Core i7 4cores)

Thread safe of PooledAllocator::PooledAllocator is made by a little rough way.