BCS MPI: N new approach i the system software design for large-scale parallel computers

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Buffered Co-Scheduled (BCS) MPI proposes a new approach to design the communication libraries for large-scale parallel machines. The emphasis of BCS MPI is on the global coordination of a large number of processes rather than in the traditional optimization of the local performance of a pair of communicating processes. BCS MPI delays the interprocessor communication in order to schedule globally the communication pattern and it is designed on top of a minimal set of collective communication primitives. In this paper we describe a prototype implementation of BCS MDI and its Communication protocols. The experimental results, executed on a set of ... continued below

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15 p.

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Fernández, J. C. (Juan C.); Petrini, F. (Fabrizio) & Frachtenberg, E. (Eitan) January 1, 2003.

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Buffered Co-Scheduled (BCS) MPI proposes a new approach to design the communication libraries for large-scale parallel machines. The emphasis of BCS MPI is on the global coordination of a large number of processes rather than in the traditional optimization of the local performance of a pair of communicating processes. BCS MPI delays the interprocessor communication in order to schedule globally the communication pattern and it is designed on top of a minimal set of collective communication primitives. In this paper we describe a prototype implementation of BCS MDI and its Communication protocols. The experimental results, executed on a set of scientific applications representative of the ASCI workload, show that BCS MPI is only marginally slower than the production-level MPI, but much simpler to implement, debug and analyze.

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15 p.

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  • Submitted to: Supercomputing 2003, Phoenix, AZ, November 2003

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  • Report No.: LA-UR-03-3207
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976663
  • Archival Resource Key: ark:/67531/metadc928688

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  • January 1, 2003

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 10:43 p.m.

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Fernández, J. C. (Juan C.); Petrini, F. (Fabrizio) & Frachtenberg, E. (Eitan). BCS MPI: N new approach i the system software design for large-scale parallel computers, article, January 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc928688/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.