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Habilitation à diriger des recherches

Contributions à la conception d'architectures matérielles dédiées

Steven Derrien 1
1 CAIRN - Energy Efficient Computing ArchItectures with Embedded Reconfigurable Resources
IRISA-D3 - ARCHITECTURE, Inria Rennes – Bretagne Atlantique
Abstract : The research interests presented in this "Habilitation" revolve around application specific hardware designs, and their use in Embedded Systems (such as Wireless Sensor Networks) and high performance computer systems (bioinformatics, multimedia database search). Within this broad spectrum, we focused on three interdependent research topics that are briefly outlined in the following paragraphs. First, we studied new types of hardware platform based on reconfigurable logic, following the principle of " smart storage systems ". The goal is to design systems that are capable of processing data on the fly as it is read from the raw storage medium (HDD or SSD), thanks to the use of application specific hardware filters. This work has lead to two prototypes (RDISK and REMIX) on which two case study applications have been mapped. We also addressed issues related to the design of massively parallel specialized hardware accelerators, targeting bioinformatics and multimedia content based search applications. In particular, we have focused on a widely used Markov profile based sequence similarity search application (HMMER) and on content based image retrieval algorithms, both very time consuming algorithms. Lastly, we also contributed to Computer Aided Design tools and flows for hardware synthesis from high level specifications. Among other contributions, we have proposed a complete system level flow for the design of ultra low power wireless sensor node networks. We also have studied the problem of efficient hardware synthesis of loop nest hardware accelerators using a polyhedral representation of the loops. Some of these results have been implemented in a source to source compiler framework specifically targeted at commercial C to hardware High Level Synthesis tools.
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Submitted on : Tuesday, November 6, 2012 - 4:11:40 PM
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Steven Derrien. Contributions à la conception d'architectures matérielles dédiées. Architectures Matérielles [cs.AR]. Université Rennes 1, 2011. ⟨tel-00749092⟩

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