PaST-NoC：一种分组交换的超导时域NoC
PaST-NoC: A Packet-Switched Superconducting Temporal NoC
摘要：
时间计算有望减轻传统超导数字计算的严格面积限制和时钟分配开销。为了设计一个可扩展的，面积和功率有效的超导片上网络（NoC），我们提出了分组交换超导时间NoC（Past-NoC）。PaST-NoC使用竞赛逻辑（RL）在时域中操作其控制路径，结合无缓冲器偏转流控制以最小化面积。数据包使用RL对其目的地进行编码，并携带一组数据脉冲，接收器可以将其解释为脉冲串、RL、串行化二进制或其他格式。我们演示了如何基于2x 2路由器和4x 4蝴蝶作为构建块将PaST-NoC扩展到任意拓扑。如我们所示，如果使用RL解释数据脉冲，则对于长数据包，PaST-NoC在单位面积吞吐量方面优于最先进的超导二元NoC多达5倍。
英文摘要：
Temporal computing promises to mitigate the stringent area constraints and clock distribution overheads of traditional superconducting digital computing. To design a scalable, area- and power-efficient superconducting network on chip (NoC), we propose packet-switched superconducting temporal NoC (PaST-NoC). PaST-NoC operates its control path in the temporal domain using race logic (RL), combined with bufferless deflection flow control to minimize area. Packets encode their destination using RL and carry a collection of data pulses that the receiver can interpret as pulse trains, RL, serialized binary, or other formats. We demonstrate how to scale up PaST-NoC to arbitrary topologies based on 2x2 routers and 4x4 butterflies as building blocks. As we show, if data pulses are interpreted using RL, PaST-NoC outperforms state-of-the-art superconducting binary NoCs in throughput per area by as much as 5x for long packets.
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