Augusto Vega is a Research Staff Member within the Reliability and Power-Aware Microarchitecture department at IBM T. J. Watson Research Center. He has been involved in research and development work in support of IBM System p and Data Centric Systems. His primary focus area is power-aware computer architectures and associated system solutions. His research interests are in the areas of high performance, power/reliability-aware computer architectures, distributed and parallel computing, and performance analysis tools and techniques.Pradip Bose is a Research Staff Member and Manager of the Reliability- and Power-Aware Microarchitectures Department at IBM T. J. Watson Research Center. His research interests are in the area of processor and system architectures, with a focus on technology-aware design. Pradip is also an Adjunct Professor in the Department of Computer Science at Columbia University. During 1983-1987, Pradip was a member of IBM's pioneering RISC superscalar processor R&D team. During the 1989-90 academic year, Pradip was on sabbatical leave from IBM, serving as Visiting Associate Professor at Indian Statistical Institute (ISI) in Calcutta, India. At ISI, Pradip served as the coordinating leader of an UNDP-sponsored project on knowledge- based computer systems.Alper Buyuktosunoglu is a Research Staff Member in Reliability and Power-Aware Microarchitecture department at IBM T. J. Watson Research Center. He has been involved in research and development work in support of IBM p-series and z-series systems in the area of power-aware computer architectures. His research interests are in the area of high performance, power/reliability-aware computer architectures. He has over 60 pending/issued patents, has published over 60 papers, and is currently serving on the editorial board of IEEE MICRO.