Alain Greiner

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This paper presents an architectural study of a scalable system-level interconnection template. We explain why the shared bus, which is today's dominant template, will not meet the performance requirements of tomorrow's systems. We present an alternative interconnection in the form of switching networks. This technology originates in parallel computing, but(More)
In this paper we present a reconfigurable routing algorithm for a 2D-Mesh Network-on-Chip (NoC) dedicated to fault-tolerant, Massively Parallel Multi-Processors Systems on Chip (MP2-SoC). The routing algorithm can be dynamically reconfigured, to adapt to the modification of the micro-network topology caused by a faulty router. This algorithm has been(More)
This paper presents the SPIN micro-network that is a generic, scalable interconnect architecture for system on chip. The SPIN architecture relies on packet switching and point-to-point bi-directional links between the routers implementing the micro-network. SPIN gives the system designer the simple view of a single shared address space and provides a(More)
We present a physical imrplementation of a 32-ports SPIN micro-network. For a 0.13 micron CMOS process, the total area is 4.6 mm2, for a cumulated bandwidth of about 100 Gbits/s. In a 6 metal process, all the routing wires can be routed on top of the switching components. The SPIN32 macro-cell will be fabricated by ST Microelectronics, but this macrocell(More)
The simulation speed is a key issue in virtual prototyping of Multi-Processors System on Chip (MPSoCs). The SystemC TLM2.0 (Transaction Level Modeling) approach accelerates the simulation by using Interface Method Calls (IMC) to implement the communications between hardware components. Another source of speedup can be exploited by parallel simulation.(More)
This paper presents two high-throughput, low-latency converters that can be used to convert synchronous communication protocol to asynchronous one and vice versa. These two hardware components have been designed to be used in Multi-Processor System on Chip respecting the GALS (Globally Asynchronous Locally Synchronous) paradigm and communicating by a fully(More)
For many embedded systems, data protection is becoming a major issue. On those systems, processors are often heterogeneous and prevent from deploying a common, trusted hypervisor on all of them. Multiple native software stacks are thus bound to share the resources without protection between them. NoC-MPU is a Memory Protection Unit allowing to support the(More)