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Hardware/software codesign: a systematic approach targeting data-intensive applications

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3 Author(s)
T. Wiangtong ; Dept. of Electron., Mahanakorn Univ. of Technol., Thailand ; P. Y. K. Cheung ; W. Luk

This article presents a systematic approach to hardware/software codesign targeting data-intensive applications. It focuses on the application processes that can be represented in directed acrylic graphs (DAGs) and use a synchronous dataflow (SDF) model, the popular form of dataflow employed in DSP systems when running the process. The codesign system is based on the ultrasonic reconfigurable platform, a system designed jointly at Imperial College and the SONY Broadcast Laboratory. This system is modeled as a loosely coupled structure consisting of a single instruction processor and multiple reconfigurable hardware elements. The paper also introduces and demonstrates a task-based hardware/software codesign environment specialized for real-time video applications. Both the automated partitioning and scheduling environment and the task manager program help to provide a fast robust for supporting demanding applications in the codesign system.

Published in:

IEEE Signal Processing Magazine  (Volume:22 ,  Issue: 3 )