Oak Ridge National Laboratory recently received delivery of a 5,294 processor Cray XT3. The XT3 is Cray’s third-generation massively parallel processing system. The system build...
Jeffrey S. Vetter, Sadaf R. Alam, Thomas H. Duniga...
This paper evaluates remote memory access (RMA) communication capabilities and performance on the Cray XT3. We discuss properties of the network hardware and Portals networking so...
The Cray SeaStar is a new network interface and router for the Cray Red Storm and XT3 supercomputer. The SeaStar was designed specifically to meet the performance and reliability...
Ron Brightwell, Kevin T. Pedretti, Keith D. Underw...
Oak Ridge National Laboratory installed a 32 processor Cray X1 in March, 2003, and will have a 256 processor system installed by October, 2003. In this paper we describe our initi...
Thomas H. Dunigan, Mark R. Fahey, James B. White I...
This paper develops a plug-and-play reusable LogGP model that can be used to predict the runtime and scaling behavior of different MPI-based pipelined wavefront applications runni...
Gihan R. Mudalige, Mary K. Vernon, Stephen A. Jarv...