Abstract
The impact of Gigabit networking with Myrinet 2000 hardware and MPICH-GM software on a 2-way SMP Beowulf-Class cluster for parallel unstructured adaptive mesh refinement using the PYRAMID library is described. Network performance measurements show that approximately 225 Mbytes/s (1.8 Gbits/s) with 9.3μ seconds latency can be achieved for large messages in ping-pong tests. The performance varies depending on how processors communicate; either within an SMP node or across nodes. When applied to parallel unstructured AMR of 3D tetra-hedral meshes noticeable improvement is observed when compared to 100BaseT (100 Mbits/s) Ethernet. Furthermore, when compared to traditional systems, such as the SGI Origin 2000, one realizes that Beowulf-Clusters with fast networks and high performance SMP processors compare favorably with such systems—even for communication intensive applications.
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Norton, C.D., Ćwik, T.A. (2002). Parallel Unstructured AMR and Gigabit Networking for Beowulf-Class Clusters. In: Wyrzykowski, R., Dongarra, J., Paprzycki, M., Waśniewski, J. (eds) Parallel Processing and Applied Mathematics. PPAM 2001. Lecture Notes in Computer Science, vol 2328. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48086-2_61
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DOI: https://doi.org/10.1007/3-540-48086-2_61
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