By Luca Benini and Giovanni De Micheli, Embedded.comFeb 12 2007 (0:30 AM) -- Embedded.com
There are several hardware types of SoC designs that can be defined according to the required functionality and market. In general, SoCs can be classified in terms of their versatility (i.e., support for programming) and application domains. A simple taxonomy is described next:
General-purpose on-chip multiprocessors are high-performance chips that benefit from spatial locality to achieve high performance. They are designed to support various applications, and thus the processor core usage and traffic patterns may vary widely. They are the evolution of on-board multiprocessors, and they are typified by having a homogeneous set of processing and storage arrays.
For these reasons, on-chip network design can benefit from the experience on many architectures and techniques developed for on-board multiprocessors, with the appropriate adjustments to operate on a silicon substrate.
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