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Accelerating Excel® 2010 with Windows® HPC Server 2008 R2: Converting Cluster-Safe UDFs for Offloading to a Windows® HPC Cluster

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This article and accompanying code samples address how to convert convert an existing XLL file to enable offloading to a Windows HPC 2008 R2 cluster. The article also explains how UDF offloading works, performance considerations, and how to determine if a UDF is appropriate for cluster offloading.