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Adaptive load distribution in mixed-critical Networks-on-Chip

机译:混合关键片上网络中的自适应负载分配

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Modern Networks-on-Chip (NoCs) must accommodate a diversity of temporal requirements e.g. provide guarantees for real-time senders with the minimum impact on performance sensitive best-effort (BE) traffic. In this work, we propose a protocol-based adaptive load distribution which by selectively detouring BE traffic i.e. load balancing, allows to significantly improve NoC's performance without costly hardware extensions. The introduced method offers, during runtime, safe and efficient integration of mixed-critical workloads through the coupling of the flow control with the path selection based on the global NoC state. The requested real-time reliability of the interconnect is achieved through predictable synchronization with control messages supported by a formal analysis and an experimental evaluation.
机译:现代片上网络(NoC)必须适应各种时间要求,例如为实时发件人提供保证,而对性能敏感的尽力而为(BE)流量的影响最小。在这项工作中,我们提出了一种基于协议的自适应负载分配,该负载分配通过有选择地绕开BE流量即负载均衡来实现,而无需昂贵的硬件扩展即可显着提高NoC的性能。通过在基于全局NoC状态的流控制和路径选择之间进行耦合,引入的方法在运行时可以安全有效地集成混合关键工作负载。通过与形式化分析和实验评估支持的控制消息进行可预测的同步,可以实现互连所要求的实时可靠性。

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