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DIRECTIONAL TWO-DIMENSIONAL ROUTER AND INTERCONNECTION NETWORK FOR FIELD PROGRAMMABLE GATE ARRAYS, AND OTHER CIRCUITS, AND APPLICATIONS OF THE ROUTER AND NETWORK
DIRECTIONAL TWO-DIMENSIONAL ROUTER AND INTERCONNECTION NETWORK FOR FIELD PROGRAMMABLE GATE ARRAYS, AND OTHER CIRCUITS, AND APPLICATIONS OF THE ROUTER AND NETWORK
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机译:现场可编程门阵列和其他电路的二维二维路由和互连网络,以及路由和网络的应用
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摘要
A configurable directional 2D router for Networks on Chips (NOCs) is disclosed. The router, which may be bufferless, is designed for implementation in programmable logic in FPGAs, and achieves theoretical lower bounds on FPGA resource consumption for various applications. The router employs an FPGA router switch design that consumes only one 6-LUT or 8-input ALM logic cell per router per bit of router link width. A NOC comprising a plurality of routers may be configured as a directional 2D torus, or in diverse ways, network sizes and topologies, data widths, routing functions, performance-energy tradeoffs, and other options. System on chip designs may employ a plurality of NOCs with different configuration parameters to customize the system to the application or workload characteristics. A great diversity of NOC client cores, for communication amongst various external interfaces and devices, and on-chip interfaces and resources, may be coupled to a router in order to efficiently communicate with other NOC client cores. The router and NOC enable feasible FPGA implementation of large integrated systems on chips, interconnecting hundreds of client cores over high bandwidth links, including compute and accelerator cores, industry standard IP cores, DRAM/HBM/HMC channels, PCI Express channels, and 10G/25G/40G/100G/400G networks.
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