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Implementing intelligent cores using processor virtualization for fault tolerance

By Blesson Varghese, Gerard McKee and Vassil Alexandrov

Abstract

Processor virtualization for process migration in distributed parallel computing systems has formed a significant component of research on load balancing. In contrast, the potential of processor virtualization for fault tolerance has been addressed minimally. The work reported in this paper is motivated towards extending concepts of processor virtualization towards ‘intelligent cores’ as a means to achieve fault tolerance in distributed parallel computing systems. Intelligent cores are an abstraction of the hardware processing cores, with the incorporation of cognitive capabilities, on which parallel tasks can be executed and migrated. When a processing core executing a task is predicted to fail the task being executed is proactively transferred onto another core. A parallel reduction algorithm incorporating concepts of intelligent cores is implemented on a computer cluster using Adaptive MPI and Charm ++. Preliminary results confirm the feasibility of the approach

Publisher: Elsevier
Year: 2010
DOI identifier: 10.1016/j.procs.2010.04.246
OAI identifier: oai:centaur.reading.ac.uk:17487
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