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As the semiconductor industry continues its relentless push for nano-CMOS technologies, device reliability and occurrence of hard errors have emerged as a dominant concern in multicores. Although regular memory structures are protected against hard errors using error correcting codes or spare rows and columns, many of the structures within the cores are left unprotected. Even if the location of hard...
The actual traffic data collected on various applications specific on-chip networks exposed that the network traffic is self-similar in nature. In this work, modeling of self-similar traffic by aggregation of a large number of on-off Pareto sources has been discussed. We have developed a cycle accurate network simulator for evaluating the performance of wormhole router based network by varying locality...
An increasing number of hardware failures can be attributed to device reliability problems that cause partial system failure or shutdown. In this paper we propose a scheme for improving reliability of a homogeneous chip multiprocessor (CMP) that also serves to improve manufacturing yield. Our solution centers on exploiting the natural redundancy that already exists in multi-core systems by using services...
Scalability has become an important consideration in Network-on-Chip (NoC) designs. The word scalability has been widely used in the parallel processing community. For massively parallel computing, a scalable system has the property that performance will increase linearly with the system size. The scalability analysis may be used to select the best architecture for a problem under different constraints...
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