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As one of the mostly used synchronization schemes in parallel programming, spin lock is supported in most off-the-shelf multi-/many-core processors. However the classical spin lock synchronization may lead to contention of acquiring the only lock and starvation of some threads busy waiting to be served. Thus queue-based spin lock has been put forwarded to eliminate both contention and unfairness issues...
Parallelized applications running on many-core Network-on-Chip (NoC) processors may consume a great part of execution time to synchronize threads mapped on multiple NoC nodes, if synchronization for NoC processors is not carefully designed. In this paper, we propose an instruction-based synchronization solution applied in a packet-switched many-core NoC processor with 2D mesh grid topology. Return...
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