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首页> 外文会议>2015 Workshop on Exploiting Silicon Photonics for Energy-Efficient High Performance Computing >On the Design of a Path-Setup Architecture for Exploiting Hybrid Photonic-Electronic NoCs
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On the Design of a Path-Setup Architecture for Exploiting Hybrid Photonic-Electronic NoCs

机译：利用混合光子-电子NoC的路径设置架构的设计

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摘要

Future many-core systems will require energy-efficient, high-throughput and low-latency communication architectures. Silicon Photonics appears today as a promising solution to achieve these goals. However, the photonics inability to perform inflight buffering and logic suggests the use of Hybrid Photonic-Electronic architectures. In order to exploit the full potential of photonics, it is essential to thoroughly design the Path-Setup architecture, which is the primary source of performance degradation and power consumption. In this paper, we propose a new power-aware path-setup protocol able to put allocated circuits on a stand-by state, rapidly recovering them when needed. We compare in terms of performance and energy consumption some path-setup architectural solutions that differ from each other in the routing algorithm, the path-setup protocol and the deadlock avoidance technique. The results show that the proposed protocol outperforms other solutions in terms of performance and energy efficiency. In addition, this comparison will help many-core system designers to select the most appropriate path-setup architecture according to traffic characteristics and network size.
机译：未来的多核系统将需要节能，高吞吐量和低延迟的通信体系结构。如今，Silicon Photonics似乎是实现这些目标的有希望的解决方案。但是，由于光子无法执行飞行中的缓冲和逻辑，因此建议使用混合光子电子体系结构。为了充分发挥光子学的潜能，必须彻底设计Path-Setup架构，这是性能下降和功耗的主要来源。在本文中，我们提出了一种新的功率感知路径设置协议，该协议能够将分配的电路置于备用状态，并在需要时快速恢复它们。我们从性能和能耗方面比较了一些路径设置体系结构解决方案，它们在路由算法，路径设置协议和避免死锁技术方面互不相同。结果表明，在性能和能效方面，该协议优于其他解决方案。此外，这种比较将帮助许多核心系统设计人员根据流量特性和网络规模选择最合适的路径设置体系结构。

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