@MISC{_optimalcommunication, author = {}, title = {Optimal Communication Performance on Fast Ethernet with GAMMA}, year = {} }
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Abstract
Abstract. The current prototype of the Genoa Active Message MAchine (GAMMA) is a low-overhead, Active Messages-based inter-process communication layer implemented mainly at kernel level in the Linux Operating System. It runsonapooloflow-cost Pentium-based Personal Computers (PCs) networked by alow-cost 100base-TX Ethernet hub to form a low-cost message-passing parallel platform. In this paper we describe in detail how GAMMA could achieve unprecedented communication performance (less than 13 sone-way user-to-user latency time and up to 98 % of the communication throughput ofthe raw interconnection hardware) on such a kind oflow-cost parallel architecture.