perf improvement to segment comparison in compute activity
perf improvement to segment comparison in compute activity

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