owlcs/owlapi — pull request #293 by sesuncedu (2014-09-27 16:44:10+00:00)
Title: Provide "trimToSize" methods on MapPointer, Internals, and OWLAxiomIndexImpl

Can save a couple of percentage points, and leaves an opening of switching the implementation of the backing sets to a packed format if the methods are called when the data structures are about to become quiescent.