Fast arbiters for on-chip network switches

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Fast arbiters for on-chip network switches
— The need for efficient implementation of simple crossbar schedulers has increased in the recent years due to the advent of on-chip interconnection networks that require low latency message delivery. The core function of any crossbar scheduler is arbitration that resolves conflicting requests for the same output. Since, the delay of the arbiters directly determine the operation speed of the scheduler, the design of faster arbiters is of paramount importance. In this paper, we present a new bit-level algorithm and new circuit techniques for the design of programmable priority arbiters that offer significantly more efficient implementations compared to already-known solutions. From the experimental results it is derived that the proposed circuits are more than 15% faster than the most efficient previous implementations, which under equal delay comparisons, translates to 40% less energy.
Giorgos Dimitrakopoulos, Nikos Chrysos, Costas Gal
Added 15 Mar 2010
Updated 15 Mar 2010
Type Conference
Year 2008
Where ICCD
Authors Giorgos Dimitrakopoulos, Nikos Chrysos, Costas Galanopoulos
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