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MPICH-CM: A communication library design for a P2P MPI implementation. (English) Zbl 1015.68727

Kranzlm├╝ller, Dieter (ed.) et al., Recent advances in parallel virtual machine and message passing interface. 9th European PVM/MPI users’ group meeting, Linz, Austria, September 29-October 2, 2002. Proceedings. Berlin: Springer. Lect. Notes Comput. Sci. 2474, 323-330 (2002).
Summary: The paper presents MPICH-CM – a new architecture of communications in message-passing systems, developed for MPICH-V – an MPI implementation for P2P systems. MPICH-CM implies communications between nodes through special Channel Memories introducing fully decoupled communication media. Some new properties of communications based on MPICH-CM are described in comparison with other communication architectures, with emphasis on grid-like and volunteer computing systems. The first implementation of MPICH-CM is performed as a special MPICH device connected with Channel Memory servers. To estimate the overhead of MPICH-CM, the performance of MPICH-CM is presented for basic point-to-point and collective operations in comparison with MPICH p4 implementation.
For the entire collection see [Zbl 1011.68745].

MSC:

68U99 Computing methodologies and applications
68M10 Network design and communication in computer systems

Software:

MPICH-CM; MPI/MPICH
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