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Towards single image system: preemptive migration of system threads with the SCI network

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2 Author(s)
Lombard, P. ; Lab. Inf. et Distribution, IMAG, Montbonnot St. Martin, France ; Denneulin, Y.

Clusters of standard components are becoming a viable alternative to traditional supercomputers. The typical architecture of these clusters is standard PCs connected by a high performance network. The operating system used on this kind of platform is generally Linux because it is stable, and flexible: it can be studied, modified and tuned. A new kind of network has been available recently, not based on message passing but on remote memory mapping. One of the best-known networks of this family is SCI. We present an extension of the LinuxThreads library to provide a migration service for Linux system threads. It takes advantage of the SCI network for a complete transparency of the migration and since it handles standard LinuxThreads, it does not need to use a new threads model or library. We explain how we modified the LinuxThreads library to add this functionality and give some preliminary performance results

Published in:

Cluster Computing, 2000. Proceedings. IEEE International Conference on

Date of Conference:

2000

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