Cirano De Dominicis, Irene Giardina's Domain-Specific Processors: Systems, Architectures, PDF

By Cirano De Dominicis, Irene Giardina

ISBN-10: 0521847834

ISBN-13: 9780521847834

Evaluation runs from realizations of the prolonged linearization version to optimization for piecewise commonplace processor arrays. Emphasizes potency in discussions of scalable parallel-pipelined and compiled ordinary architectures. additionally covers unmarried chip multiprocessing for buyer electronics.

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Extra info for Domain-Specific Processors: Systems, Architectures, Modeling, and Simulation

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Outgoing values of a stage are permuted according to the perfect unshuffle operator so that all the low-pass components are collected in the first half and the high-pass compo- Copyright 2004 by Marcel Dekker, Inc. All Rights Reserved. nents are collected at the second half of the permuted vector. Low-pass components are then forming the input to the following stage or (for the nodes of the last stage) represent output values. High-pass components represent output values at a given resolution. Essentially, the flowgraph representation gives an alternative definition of discrete wavelet transforms which is rather illustrative and easy-to-understand.

Dependencies in fan-out to fan-in subgraph, rejecting unused values from the branches of conditional statements, and recursive specifications are handled. The main effect of this compiler is to achieve optimizations mostly at a high level, removing a considerable load on the logic mapping algorithms. The strength in optimization comes from the fine knowledge on values being processed, that allows to simplify computations either at a high level or logic level. The underlying execution model is understandable for the programmer who has direct feedback for the algorithms.

For the sake of simplicity we will rename these Figure 1 The modules can be either flat or hierarchical. The modules can be composed in order to produce pipelines or can be instantiated during architecture synthesis. Copyright 2004 by Marcel Dekker, Inc. All Rights Reserved. Figure 2 State machines can be obtained by methods operating on private variables having known initial values. methods functions, and the set of objects values. Interaction with external variables is not discussed there. The input language is Smalltalk-80, and variant VisualWorks, which is also used to build the tools and to describe the application architectures.

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Domain-Specific Processors: Systems, Architectures, Modeling, and Simulation by Cirano De Dominicis, Irene Giardina


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