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Realizing barrier synchronization in multi-/many-core processors with high efficiency becomes more and more challenging as the number of cores integrated in a single chip keeps growing. Quite a few barrier solutions have been proposed, while they provide limited improvements for synchronizing large amounts of cores or incur unfavorable restrictions on performing concurrent barriers. This paper presents...
As one of the mostly used synchronization schemes in parallel programming on multi-core processors, barrier synchronization has been extensively studied in former research works. In conventional master-slave barrier or tree barrier, usually one centric core is selected to collect barrier arriving messages and to broadcast barrier releasing messages. Unfortunately the barrier core sometimes is deviated...
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