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In this work, we present a new error control method to improve the energy efficiency and reliability of network-on-chip (NoC) links. The proposed method combines the error control coding (ECC) capabilities of the NoC's datalink and network layers to dynamically adjust the error control strength in variable noise conditions. Network-layer ECC is used in low noise conditions and error control strength...
We propose a transient and permanent error co-management method for NoC links to achieve low latency, high throughput and high reliability, while maintaining energy efficiency. To reduce the energy overhead, a configurable error control coding adapts the number of redundant wires to the varying noise conditions, achieving different error detection capability. Infrequently used redundant wires are...
To improve noise tolerance of link transmission and router buffers, we propose an error control scheme that integrates a powerful link error recovery method, an efficient buffer error correction coding, and an algorithm to further manage the loss of header and tail flits in a packet. With this method, header and tail flits can be effectively protected, reducing network saturation. Simulation results...
We propose a framework that allows dual-layer cooperative error control in a nanoscale network-on-chip (NoC), to simultaneously improve reliability, performance and energy efficiency. The framework combines a configurable routing algorithm in the network layer and an adaptive error control coding scheme in the datalink layer. When the network layer detects an increase in network congestion, either...
We present a configurable error correction scheme, combining a set of single-error correction (SEC) codes with interleaving, to achieve reliable and energy-efficient SoC links. Both the encoder and interleaver adapt to different noise conditions in order to address adjacent multi-wire errors. Using this approach, we achieve residual flit-error rate one order of magnitude less than with a simple SEC...
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