cms-sw/cmssw — pull request #4438 by VinInn (2014-06-28 13:46:22+00:00)
Title: speed up Gsf

15% speedup in GsfTrackProducer
(mostly from a factor 2 in BasicMultiTrajectoryState::combine())
and few percent in tracking in general

a negligible regression can be observed in almost all distributions involving track-parameters