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= What is ADAM ? =
ADAM stands for "Adaptive Dynamic Architecture for MP2SoCs". It is a prospective research project
that directly addresses the hot topic of MPSoC self-adaptability to altered operating
conditions, like loss of performance, appearance of faulty hardware resources, and
temperature overhead. The architectures targeted by ADAM are MP2SoC, Massively
Parallel Multi-Processor systems on chip (more than one hundred of processing elements)
containing homogeneous functional blocks (all blocks can perform the work requested by
the application), but structurally heterogeneous (with different and process dependant
performances, electrical and timing characteristics and reliability). Taking simultaneously
these problems into account is mandatory to ensure the reliability and competitiveness of
embedded systems to come.
Three French laboratories with international reputation have joined their effort
to propose a unified approach to the self-adaptability in MP2SoC issue. Considering a standard
2D mesh hardware architecture with a Network on Chip interconnecting clusters containing
processing elements and local memories, the proposal can be summarized as a three steps
process : non-intrusive online monitoring, online diagnosis/test, and online remapping.
The main contribution of the ADAM project is to make these three steps finely interact
through the use of onchip dynamic event databases: local databases of formatted/historized
events and a global database of architecture instant maps, or architecture audited views
classified by event types.
* LETI (Laboratory for Electronics & Information Technology) is operated by the Technology
Department of CEA (DRT "Direction de la Recherche Technologique"), the French Atomic Energy
Commission. LETI is one of the largest European applied research laboratories in the field
of electronics: permanent staff is approximately 1200 people. The main activities of CEA/LETI
are dealing with electronics, microelectronics, microsystems and IC design.
Its corporate goal is to bring technological innovation to the European industry, and to create
added value through an active Intellectual Property policy based on the management of strong patent
portfolio (> 500 active patents, and more than 140 filings/year) and the licensing of its technologies.
For more than ten years, LETI has been working on wireless systems for several applications fields:
medical (indoor), military (outdoor), robotics, mobiles phones and communications with mobiles
(cars, trains, underground, etc.). LETI is currently involved in several R&D telecom project
of the 6th Framework.
The DCIS Department (DCIS: "Conception et Intégration des Systèmes") at LETI is in charge of
the IC design activities, and is currently addressing the following topics:
- digital and mixed chip design for telecom, smart cards, RFID, image processing, smart devices, etc.
- architecture exploration (HW/SW partitioning, performance evaluation, etc.)
- design flow methodology (SystemC/TLM methodology, XML/Spirit, Matlab/Simulink co simulation, etc).
An important concern at LETI is the design of mixed signal, multi-physics systems with
sensors/activators (MEMS, MOEMS, etc.), RF front-end and complex SOC design and architecture.
LETI is now reference as a world wide key actor in the field of network on chip (NOC) architecture:
refer to LETI papers at the ISSCC'07 conference. An innovative Software Defined Radio platform based
on fully distributed communication and control system has been designed. This architecture framework
is targeting complex data flow applications. The backbone of the architecture is a layered asynchronous
NOC that brings scalability at architecture level and flexibility at the application level.
Silicon proves these concepts, and is currently used for complex Radio Access technology experimentation.
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If you need write access or for any other problem please [mailto:francois.pecheux@lip6.fr?subject=ADAM%20Request François Pêcheux].
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