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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 2 of 2 (0.033 seconds)

Spelling suggestions: "subject:"MSC 68004"" "subject:"MSC 68404""

1

Blocking vs. Non-blocking Communication under MPI on a Master-Worker Problem

Andr&eacute,, Fachat,, Hoffmann, Karl Heinz 30 October 1998 (has links) (PDF)
In this report we describe the conversion of a simple Master-Worker parallel program from global blocking communications to non-blocking communications. The program is MPI-based and has been run on different computer architectures. By moving the communication to the background the processors can use the former waiting time for computation. However we find that the computing time increases by the time the communication time decreases in the used MPICH implementation on a cluster of workstations. Also using non-global communication instead of the global communication slows the algorithm down on computers with optimized global communication routines like the Cray T3D.
MPICH
blocking communication
non-blocking communication
MSC 68-04
ddc:530
ddc:004
MPI
2

Blocking vs. Non-blocking Communication under MPI on a Master-Worker Problem

Andr&eacute, Fachat, Hoffmann, Karl Heinz 30 October 1998 (has links)
In this report we describe the conversion of a simple Master-Worker parallel program from global blocking communications to non-blocking communications. The program is MPI-based and has been run on different computer architectures. By moving the communication to the background the processors can use the former waiting time for computation. However we find that the computing time increases by the time the communication time decreases in the used MPICH implementation on a cluster of workstations. Also using non-global communication instead of the global communication slows the algorithm down on computers with optimized global communication routines like the Cray T3D.
info:eu-repo/classification/ddc/530
ddc:530
info:eu-repo/classification/ddc/004
ddc:004
MPI
MPICH
blocking communication
non-blocking communication
MSC 68-04

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