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
HostPublication
DOI http://dx.doi.org/10.1155/2012/504815
Conference
Diva url http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:438508
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.