Application-to-Core Mapping Policies to Reduce Interference in On-Chip Networks

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Provided by: Carnegie Mellon University
Topic: Hardware
Format: PDF
As the industry moves toward many-core processors, Network-on-Chips (NoCs) will likely become the communication backbone of future microprocessor designs. The NoC is a critical shared resource and its effective utilization is essential for improving overall system performance and fairness. In this paper, the authors propose application-to-core mapping policies to reduce the contention in network-on-chip and memory controller resources and hence improve overall system performance. First, they introduce the notion of clusters: cores are grouped into clusters, and a memory controller is assigned to each cluster. The memory controller assigned for a cluster is primarily responsible for servicing the data requested by the applications assigned to that cluster.
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