Continuous Space-Time Semantics Allow Adaptive Program Execution

Authors:
Jonathan Bachrach;Jacob Beal;Takeshi Fujiwara
Affiliations:
MIT;MIT;MIT
Venue:
SASO '07 Proceedings of the First International Conference on Self-Adaptive and Self-Organizing Systems
Year:
2007

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Abstract

A spatial computer is a collection of devices filling space whose ability to interact is strongly dependent on their proximity. Previously, we have showed that programming such a computer as a continuous space can allow selfscaling across computers with different device distributions and can increase robustness against device failure. We have extended these ideas to time, allowing self-scaling across computers with different communication and execution rates. We have used a network of 24 Mica2 Motes to demonstrate that a program exploiting these ideas shows minimal difference in behavior as the time between program steps ranges from 100 ms to 300 ms and on a configuration with mixed rates.