Designing Broadcasting Algorithms in the Postal Model for Message-Passing Systems (1992)
| Citations: | 105 - 6 self |
BibTeX
@MISC{Bar-noy92designingbroadcasting,
author = {Amotz Bar-noy and Shlomo Kipnis and Shlomo Kipnis},
title = {Designing Broadcasting Algorithms in the Postal Model for Message-Passing Systems},
year = {1992}
}
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Abstract
In many distributed-memory parallel computers and high-speed communication networks, the exact structure of the underlying communication network may be ignored. These systems assume that the network creates a complete communication graph between the processors, in which passing messages is associated with communication latencies. In this paper, we explore the impact of communication latencies on the design of broadcasting algorithms for fully-connected message-passing systems. For this purpose, we introduce the postal model that incorporates a communication latency parameter 1. This parameter measures the inverse of the ratio between the time it takes an originator of a message to send the message and the time that passes until the recipient of the message receives it. We present an optimal algorithm for broadcasting one message in systems with n processors and communication latency , the running time of which is \Theta( log n log(+1) ). For broadcasting m 1 messages, we first e...
