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Making Wide-Area, Multi-Site MPI Feasible Using Xen VM

Date: January 2008
Type: White Paper
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Overview: The authors in this white paper believe many of the obstacles are overcome by various means for wider classes of applications than previously believed. The existing work involves using Xen as the underlying virtual machine layer to implement such migration, along with performance-optimizing migration strategies, this white paper deals with performance evaluations of MPI on Xen VMs including what are the possible performance hindrances, implications of migrations, as well as the outcome of variations in latencies and bandwidth parameters as realized by the overlay network using a software network emulator.


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