Future generation supercomputers II: a paradigm for cluster architecture. - Nagarajan Venkateswaran; Deepak Srinivasan; Madhavan Manivannan; T. P. Ramnath Sai Sagar; Shyamsundar Gopalakrishnan; Vinoth Krishnan Elangovan; Arvind M; Prem Kumar Ramesh; Karthik Ganesan 006; Viswanath Krishnamurthy; Sivaramakrishnan (SIGARCH Comput. Archit. News, 2007)