Abstract

In this paper, we present an empirically-derived synthetic traffic model based on the Negative Exponential Distribution (NED) for homogenous and heterogeneous Network-on-chips (NoCs) with any dimensionality. Compared to conventional synthetic traffic profiles, this synthetic traffic profile accurately captures key statistical behavior of realistic traces obtained by running different applications on Network-on-chips. To assess the usefulness of this new NoC traffic model, the average packet hops for the proposed traffic profile is compared with those of some synthetic and realistic traffic patterns. The results show that the NED traffic profile has more similarity with the realistic traffic profiles than those of conventional synthetic ones. Adding this traffic profile to the existing profiles, improves the design and characterization of NoCs.

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