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On STM concurrency control for multicore embedded real-time software

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2 Author(s)
Fahmy, S. ; ECE Dept., Virginia Tech, Blacksburg, VA, USA ; Ravindran, B.

We consider software transactional memory (STM) concurrency control in multicore embedded real-time software. We design an Earliest-Deadline-First (EDF) contention manager (CM) to augment STM's obstruction-free progress semantics. We establish the conditions under which STM/EDF-CM is competitive to lock-based and lock-free synchronization. Our experimental results reveal that STM/EDF-CM outperforms highly concurrent, fine-grain lock-based complex data structures, for which lock-free is often not viable.

Published in:

Embedded Computer Systems (SAMOS), 2011 International Conference on

Date of Conference:

18-21 July 2011