Hiroya Matsuba is currently a visiting researcher at Supercomputing Research Division, Information Technology Center, The University of Tokyo. He is also a Senior Researcher at Hitachi, Ltd. He received B.S, M.S, and Ph.D. degrees in computer science from the University of Tokyo in 2003, 2005, and 2010, respectively. His research interests include System Software, Networking System, Programming Framework, and Cyber-Physical Systems.