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2009
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Reader-Writer Synchronization for Shared-Memory Multiprocessor Real-Time Systems

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Reader-Writer Synchronization for Shared-Memory Multiprocessor Real-Time Systems
Reader preference, writer preference, and task-fair readerwriter locks are shown to cause undue blocking in multiprocessor real-time systems. A new phase-fair reader-writer lock is proposed as an alternative that significantly reduces worstcase blocking for readers and an efficient local-spin implementation is provided. Both task- and phase-fair locks are evaluated and contrasted to mutex locks in terms of hard and soft real-time schedulability under consideration of runtime overheads on a multicore computer.
Björn B. Brandenburg, James H. Anderson
Added 17 Feb 2011
Updated 17 Feb 2011
Type Journal
Year 2009
Where ECRTS
Authors Björn B. Brandenburg, James H. Anderson
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