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Networks of workstations have become increasingly popular for high performance computing. However, in order to become a real alternative for MPPs, reliability and efficiency issues must be tackled. In this paper, we identify the key challenges for very large workstation networks, and describe implementation techniques at system software level to overcome these problems. Crown, a testbed for experimenting...
We discuss the design of an abstract machine for the Reduce-OR process model (ROPM) for the AND and OR parallel execution of Prolog programs. It differs from the WAM in many respects, and some of these differences are elaborated upon in this paper. Some of the significant differences are related to the binding environment which has been designed to support AND and OR parallel execution of logic programs...
We discuss the design and implementation of task migration in the Charm parallel programming environment. Charm [7] is a language and run-time system for developing portable parallel applications for MIMD machines that supports a coarse-grained dataflow model of programming. We analyze the performance of migration in detail and demonstrate its efficiency on one nonshared memory machine: the nCUBE/2...
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