ORNL researcher brings scalable tool infrastructure to Cray XT

At the Cray Users Group (CUG) 2009 annual meeting in Atlanta, Philip Roth of the ORNL Future Technologies Group gave a presentation titled "Scalable Tool Infrastructure for the Cray XT Using Tree-Based Overlay Networks." Roth described his recent work in bringing the MRNet infrastructure to the Cray XT platform, including support for a new MRNet process placement strategy that co-locates all MRNet processes on compute nodes with application processes.

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