Cache-Coherent Symmetric Multiprocessing With LX8 Controllers On HiFi DSPs

The benefits of cache-coherent design to controller applications and audio DSP applications.

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Overview

This document motivates the need for a cache-coherent multicore, symmetric multiprocessor (SMP) with applications to embedded control and audio processing. It describes the current state of the art in the employment of multiple embedded processors and audio DSPs in an SoC, with a discussion of related problems that current designs face. This is followed by an introduction to embedded cache-coherent design as a solution to the problems. Finally, it discusses the benefits of cache-coherent design to controller applications and Audio DSP applications.

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