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Large scale compute clusters continue to grow to ever-increasing proportions. However, as clusters and applications continue to grow, the Mean Time Between Failures (MTBF) has reduced from days to hours. As a result, fault tolerance within the cluster has become imperative. MPI, the de-facto standard for parallel programming, is widely used on such large clusters. Many MPI implementations use Checkpoint/Restart...
Dynamic process management is a feature of MPI-2 that allows an MPI process to create new processes and manage communication with these processes. The dynamic creation of processes allows application writers to develop multiscale applications or master/worker based programs. Although several MPI implementations support this feature we are not aware of any studies on the issues in designing the dynamic...
Scientific computing has seen an immense growth in recent years. The Message Passing Interface (MPI) has become the de-facto standard for parallel programming model for distributed memory systems. As the system scale increases, application writers often try to increase the overlap of computation and communication. The MPI-2 standard expanded MPI to include one-sided communication semantics that has...
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