Mechanism for process migration on a massively parallel computer
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United States of America Patent
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Feb 5, 2013
Grant Date -
Mar 12, 2009
app pub date -
Sep 12, 2007
filing date -
Sep 12, 2007
priority date (Note) -
Expired
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Abstract
Embodiments off the invention provide a mechanism for process migration on a massively parallel computer system. In particular, embodiments of the invention may be used to update process state data for a migrated compute node, such as MPI (or other communication library) state data, across a full collection of compute nodes present in a given parallel system executing a parallel task. Migrating a process form one compute node to another may be useful to address a variety of sub-optimal operating conditions. For example, one or more processes may be migrated to cure network congestion resulting from a poorly mapped task or when a compute node is predicted to experience a hardware failure.
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