Processors

Characterization of Embedded Applications for Decoupled Processor Architecture

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Executive Summary

Needs for performance on embedded applications will lead to the use of dynamic execution on embedded processors in the next few years. However, complete out-of-order superscalar cores are still expensive in terms of silicon area and power dissipation. In this paper, one study the adequation of a more limited form of dynamic execution, namely decoupled architecture, to embedded applications. Decoupled architecture is known to work very efficiently whenever the execution does not suffer from inter-processor dependencies causing some loss of decoupling, called LOD events. In this study, one address regularity of codes in terms of the LOD events that may occur.

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