incorporates minor perf suggestions
incorporates minor perf suggestions

blueburningcoder/nupic,arhik/nupic,alfonsokim/nupic,rhyolight/nupic,lscheinkman/nupic,badlogicmanpreet/nupic,badlogicmanpreet/nupic,arhik/nupic,EricSB/nupic,neuroidss/nupic,ywcui1990/nupic,cogmission/nupic,lscheinkman/nupic,scottpurdy/nupic,vitaly-krugl/nupic,rhyolight/nupic,scottpurdy/nupic,badlogicmanpreet/nupic,pulinagrawal/nupic,neuroidss/nupic,subutai/nupic,alfonsokim/nupic,neuroidss/nupic,EricSB/nupic,marionleborgne/nupic,numenta/nupic,ywcui1990/nupic,marionleborgne/nupic,lscheinkman/nupic,subutai/nupic,pulinagrawal/nupic,pulinagrawal/nupic,blueburningcoder/nupic,numenta/nupic,rhyolight/nupic,numenta-ci/nupic,rcrowder/nupic,subutai/nupic,numenta-ci/nupic,scottpurdy/nupic,numenta/nupic,numenta-ci/nupic,marionleborgne/nupic,cogmission/nupic,EricSB/nupic,alfonsokim/nupic,rcrowder/nupic,vitaly-krugl/nupic,arhik/nupic,cogmission/nupic,ywcui1990/nupic,blueburningcoder/nupic,rcrowder/nupic,vitaly-krugl/nupic