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A safe vertex

Felten, Edward W. and Otto, Steve W. (1988) A safe vertex. In: C3P Proceedings of the third conference on Hypercube concurrent computers and applications: Architecture, software, computer systems, and general issues. Vol.1. ACM , New York, NY, pp. 560-564. ISBN 0-89791-278-0. https://resolver.caltech.edu/CaltechAUTHORS:20161019-142159835

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Abstract

The VERTEX message passing system provided with NCUBE hypercubes is unsafe. The system can fail under high message loads. We have implemented a message passing system with the same “look and feel” as VERTEX but which is instead based upon the crystal_router running at clock interrupt time. The system is written mostly in C with a few bits of assembly code to run the DMA devices. This implies that safety checks (are the buffers full?) and complex error handling mechanisms can be easily implemented at the C level. A first version works, is safe, and is faster than VERTEX in the high volume limit, slower in the low volume case. At the very least, this system will be interesting for high message traffic applications, such as disk backup.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1145/62297.62367DOIPaper
http://dl.acm.org/citation.cfm?doid=62297.62367PublisherPaper
Additional Information:© 1988 ACM. A. Frey stimulated our thoughts on this subject; we thank him and G. Fox for their interest and comments. This work is partially funded by the Department of Energy under grant number DE-FG03-85ER25009.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG03-85ER25009
Record Number:CaltechAUTHORS:20161019-142159835
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20161019-142159835
Official Citation:E. W. Felten and S. W. Otto. 1988. A safe vertex. In Proceedings of the third conference on Hypercube concurrent computers and applications: Architecture, software, computer systems, and general issues - Volume 1 (C3P), Geoffrey Fox (Ed.), Vol. 1. ACM, New York, NY, USA, 560-564. DOI=http://dx.doi.org/10.1145/62297.62367
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71290
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:19 Oct 2016 21:45
Last Modified:03 Oct 2019 16:06

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