An efficient realisation of FIFO buffers for NoC routers using technology dependent optimisations targeting LUT based FPGAs
by Liyaqat Nazir; Roohie Naaz Mir
International Journal of Circuits and Architecture Design (IJCAD), Vol. 2, No. 3/4, 2016

Abstract: The communication between processing elements is facing challenges due to power, area and latency. The temporary flit storage blocks needed during communication contributes to the major power and area consumption in Network-on-Chip. Moreover, with modern FPGAs causing a rapid shift from prototype designing to low and medium volume productions, it becomes imperative to consider architectural optimisations that are specific to FPGA fabric only. This article attempts to provide novel optimised FIFO buffer realisation using technology dependent mapping strategies. This will help designers to adopt efficient design of NoC microarchitecture routers. The properties of proposed realisation are studied with a micro-architecture router for several packet flit rates given at an input port. The proposed realisation will help in the elimination of the presence of fixed inherent FIFO buffer instantiations as the proposed realisation gives us an idea to explore underlying FPGA fabric more efficiently for realisation of the FIFO than existing.

Online publication date: Mon, 05-Feb-2018

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