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Synapse crossbar is an elementary structure in neuromorphic computing systems (NCS). However, the limited size of crossbars and heavy routing congestion impede the NCS implementation of large neural networks. In this paper, we propose a two-step framework (namely, group scissor) to scale NCS designs to large neural networks. The first step rank clipping integrates low-rank approximation into the training...
In recent years, the RapidSmith CAD tool [1] has been used with ISE to create custom CAD tools targeting Xilinx FPGAs. This tool flow was based on the Xilinx Design Language (XDL), a human-readable representation of a netlist that contains placement and routing information. The XDL interface also provided device representation files (XDLRC files), detailing the available resources of a given FPGA...
We propose a Time-Division Multiplexing (TDM) based connection oriented NoC with a novel double time-wheel router architecture combined with a run-time parallel probing setup method. In comparison with traditional TDM connection setup methods, our design has the following advantages: (1) it allocates paths and time slots at run-time; (2) it is fast with predictable and bounded setup latency; (3) it...
Several alternatives of mesh-type topologies have been published for the use in Networks-on-Chip. Due to their regularity, mesh-type topologies often serve as a foundation to investigate new ideas or to customize the topology to application-specific needs. This paper analyzes existing mesh-type topologies and compares their characteristics in terms of communication and implementation costs. Furthermore,...
Multi-processor system-on-chips (MPSoC) with network-on-chip based interconnection systems have emerged as the promising solution to computation intensive signal processing applications. But the mapping of applications onto the MPSoC and the allocation of computation and communication resources for applications, jobs and tasks is still a challenge. In this paper we describe the concept of a global...
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