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Building a global time on parallel machines

Jean-Marc Jézéquel 1
1 PAMPA - Models and Tools for Programming Distributed Parallel Architectures
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, INRIA Rennes
Abstract : This paper presents a pragmatic algorithm to buil a global time on any distributed system, which is optimal for homogeneous parallel machines. After some reflexions on time, clocks and distributed systems, we survey and criticize the classical approaches based on clock synchronisation techniques. Satisfying better our purposes, a statistical method is chosen as a building block to derive an original algorithm valid for any topology. This algorithm purposes because, after an acquisition phasis, it induces neither CPU nor message overhead. We provide in the conclusion some data about its behavior and performances on some parallel machines.
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https://hal.inria.fr/inria-00075381
Contributor : Rapport de Recherche Inria <>
Submitted on : Wednesday, May 24, 2006 - 6:06:18 PM
Last modification on : Thursday, February 11, 2021 - 2:48:05 PM
Long-term archiving on: : Tuesday, April 12, 2011 - 10:50:30 PM

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  • HAL Id : inria-00075381, version 1

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Jean-Marc Jézéquel. Building a global time on parallel machines. [Research Report] RR-1177, INRIA. 1990. ⟨inria-00075381⟩

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