Contributor <Full Schedule · Contributors · Organizations · Search Program · My Schedule · Happening Now · MapsMore…Search ProgramMy ScheduleHappening NowMapsRui Peng LiLawrence Livermore National Laboratory (LLNL)PresentationsWorkshopOptimizing Irregular Communication with Neighborhood Collectives and Locality-Aware Parallelism Exascale Message Passing Programming Frameworks and System Software W