By V Madisetti; Chonlameth Arpnikanondt
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Extra info for A platform-centric approach to system-on-chip (SOC) design
In this approach, algorithms are mapped directly into hardware that derives its parallelism not from multiple CPUs, but from a multitude of distributed arithmetic units. Although the current results claim to be two to three orders of magnitude more efficient in power and area than architectures based on software processors, the chip-in-a-day approach finds its limitations in the following: It still cannot improve upon the execution time. It remains to be seen if this approach can support a much more complex real-time embedded SoC design.
In the physical layer reside the actual hardware and software components, as well as associated design tools, all of which provide the necessary resources for the development of SoC systems. 2. The Platform Object (PO) For any platform that resides in the physical layer and is a member of a particular library of platform objects (LPO) associated with a platformcentric SoC design method, there always exists a corresponding platform object (PO) in the logical layer that models such a platform. 24 Platform-Centric SoC Design Methodology Figure 2-3.
A transition may also fork into two or more parallel activities. These parallel threads can later join to form a single transition. The last two diagrams defined by UML are component and deployment diagrams. Component diagrams are physical analogs of class diagram. Introduction To UML And XML 45 Deployment diagrams display the physical configurations of software and hardware. The physical hardware in a deployment diagram is made up of nodes, which, in turn, can contain components. UML is more complete than other languages in its support for modeling complex systems, and is particularly suited for capturing real-time embedded systems.