Publications:Occam-pi for Programming of Massively Parallel Reconfigurable Architectures

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Title Occam-pi for Programming of Massively Parallel Reconfigurable Architectures
Author Zain Ul-Abdin and Bertil Svensson
Year 2012
PublicationType Journal Paper
Journal International Journal of Reconfigurable Computing
Diva url
Abstract Massively parallel reconfigurable architectures, which offer massive parallelism coupled with the capability of undergoing run-time reconfiguration, are gaining attention in order to meet the increased computational demands of high-performance embedded systems. We propose that the occam-pi language is used for programming of the category of massively parallel reconfigurable architectures. The salient properties of the occam-pi language are explicit concurrency with built-in mechanisms for interprocessor communication, provision for expressing dynamic parallelism, support for the expression of dynamic reconfigurations, and placement attributes. To evaluate the programming approach, a compiler framework was extended to support the language extensions in the occam-pi language and a backend was developed to target the Ambric array of processors. We present two case-studies; DCT implementation exploiting the reconfigurability feature of occam-pi and a significantly large autofocus criterion calculation based on the dynamic parallelism capability of the occam-pi language. The results of the implemented case studies suggest that the occam-pi -language-based approach simplifies the development of applications employing run-time reconfigurable devices without compromising the performance benefits. Copyright © 2012 Zain-ul-Abdin and Bertil Svensson.