Experiments with the peripheral virtual component interface

Authors:
Roman L. Lysecky;Frank Vahid;Tony D. Givargis
Affiliations:
Department of Computer Science and Engineering, University of California, Riverside, rlysecky@cs.ucr.edu, www.cs.ucr.edu/~dalton;Department of Computer Science and Engineering, University of California, Riverside/ also with the Center for Embedded Computer Systems, UC Irvine vahid@cs.ucr.edu, www.cs.ucr.edu/~dalton;Department of Computer Science and Engineering, University of California, Riverside, givargis@cs.ucr.edu, www.cs.ucr.edu/~dalton
Venue:
ISSS '00 Proceedings of the 13th international symposium on System synthesis
Year:
2000

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Abstract

The Peripheral Virtual Component Interface, or PVCI, is a standard intended to simplify the interfacing of peripheral cores to on-chip buses in a system-on-a-chip, by standardizing the interface between a core's internals and its bus wrapper. We provide results of experiments intended to determine the power, performance, and size overhead associated with using a PVCI bus wrapper versus using a non-PVCI bus wrapper, and versus using no bus wrapper at all. The results demonstrate that using a bus wrapper may result in only small performance, power and size overhead versus using no wrapper, though even that performance overhead can be reduced or eliminated using pre-fetching. The results also demonstrate that using a PVCI bus wrapper yields no significant additional power, performance or size overhead compared with a non-PVCI bus wrapper.