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The performance of cache-based error recovery in multiprocessors

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2 Author(s)
Janssens, B. ; Center for Reliable & High Performance Comput., Illinois Univ., Urbana, IL, USA ; Fuchs, W.K.

Several variations of cache-based checkpointing for rollback error recovery from transient errors in shared-memory multiprocessors have been recently developed. By modifying the cache replacement policy, these techniques use the inherent redundancy in the memory hierarchy to periodically checkpoint the computation state. Three schemes, different in the manner in which they avoid rollback propagation, are evaluated in this paper. By simulation with address traces from parallel applications running on an Encore Multimax shared-memory multiprocessor, we evaluate the performance effect of integrating the recovery schemes in the cache coherence protocol. Our results indicate that the cache-based schemes can provide checkpointing capability with low performance overhead, but with uncontrollable high variability in the checkpoint interval

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Parallel and Distributed Systems, IEEE Transactions on  (Volume:5 ,  Issue: 10 )