Avoiding Request - Request Type Message-Dependent Deadlocks in Networks-on-Chips

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Provided by: Reed Business Information
Topic: Hardware
Format: PDF
When an application is running on a Network-on-Chip (NoC)-based Multi-Processor System-on-Chip (MPSoC), two types of deadlocks may occur: the routing-dependent deadlocks and the message-dependent deadlocks. The former type of deadlocks can be avoided by removing any cyclic paths on the application's channel dependency graph. The message dependent deadlocks, caused by mutual dependency of different control and/or data messages, on the other hand, are very complicated to deal with. In this paper, the authors focus their study on the request-request type message-dependent deadlocks which may appear in a peer-to-peer streaming system.
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