Abstract
Resource constrained systems often are programmed using an event-based model. Many applications do not lend themselves well to an event-based approach, but preemptive multithreading pre-allocates resources that cannot be used even while not in use by the owning thread. In this paper, we propose a hybrid approach called Y-Threads. Y-Threads provide separate small stacks for blocking portions of applications, while allowing for shared stacks for non-blocking computations. We have implemented Y-Threads on Mica and Telos wireless sensor network platforms. The results show that Y-Threads provide a preemptive multithreaded programming model with resource utilization closer to an event-based approach. In addition, relatively large memory buffers can be allocated for temporary use with less overhead than conventional dynamic memory allocation methods.
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Nitta, C., Pandey, R., Ramin, Y. (2006). Y-Threads: Supporting Concurrency in Wireless Sensor Networks. In: Gibbons, P.B., Abdelzaher, T., Aspnes, J., Rao, R. (eds) Distributed Computing in Sensor Systems. DCOSS 2006. Lecture Notes in Computer Science, vol 4026. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11776178_11
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DOI: https://doi.org/10.1007/11776178_11
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