Process Topologies
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Process Topologies
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| Id. |
41785309 |
| Idioma |
inglés
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| Titulo |
Process Topologies |
| Localización |
http://citeseer.ist.psu.edu/349949.html
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
Introduction
This chapter discusses the MPI topology mechanism. A topology is an extra, optional
attribute that one can give to an intra-communicator; topologies cannot be added to intercommunicators.
A topology can provide a convenient naming mechanism for the processes
of a group (within a communicator), and additionally, may assist the runtime system in
mapping the processes onto hardware.
As stated in chapter ??, a process group in MPI is a collection of n processes. Each
process in the group is assigned a rank between 0 and n-1. In many parallel applications
a linear ranking of processes does not adequately reflect the logical communication pattern
of the processes (which is usually determined by the underlying problem geometry and
the numerical algorithm used). Often the processes are arranged in topological patterns
such as two- or three-dimensional grids. More generally, th
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| Tipo |
ps
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| Palabras clave |
Process Topologies
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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unrestricted |
| Formatos |
ps
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| Requerimientos técnicos |
Browser: Any
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| Relación |
[IsBasedOn] ftp://ftp.irisa.fr/pub/mirrors/mpi/mpi-1.jun95/topol.ps
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| Fecha de contribución |
31-mar-2009 |
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