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In a fault-tolerant on-chip network, overhead due to the Automatic Repeat-reQuest (ARQ) operation may significantly impact the performance. In this work, an intelligent prefetching scheme that can effectively mitigate the performance hits from the ARQ overhead is proposed. Specifically, a packet-based retransmission scheme is incorporated to improve payload utilization while using Error-Detecting...
Reliability is an important design concern for modern many-core embedded systems. Specifically, on-chip interconnecting systems are vulnerable to permanent channel faults and transient data transmission faults which may significantly impact the overall system performance. In this work, a Unified Link-layer Fault-tolerant NoC (ULF-NoC) architecture is proposed. ULF-NoC is developed for NoC equipped...
A novel Bidirectional Fault-Tolerant NoC (BFT-NoC) architecture capable of mitigating both static and dynamic channel failures is proposed. In a traditional NoC platform, a faulty data channel will force blocked packets to make costly detours, resulting in significant performance hits. In this work, novel fault-tolerance measures for a bidirectional NoC platform are proposed. The dynamically reconfigurable...
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