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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Circuits & components
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Leaf Cell and Hierarchical Compaction Techniques (Hardcover, 1997 ed.)
Loot Price: R2,971
Discovery Miles 29 710
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Leaf Cell and Hierarchical Compaction Techniques (Hardcover, 1997 ed.)
Series: The Springer International Series in Engineering and Computer Science, 407
Expected to ship within 10 - 15 working days
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Leaf Cell and Hierarchical Compaction Techniques presents novel
algorithms developed for the compaction of large layouts. These
algorithms have been implemented as part of a system that has been
used on many industrial designs. The focus of Leaf Cell and
Hierarchical Compaction Techniques is three-fold. First, new ideas
for compaction of leaf cells are presented. These cells can range
from small transistor-level layouts to very large layouts generated
by automatic Place and Route tools. Second, new approaches for
hierarchical pitchmatching compaction are described and the concept
of a Minimum Design is introduced. The system for hierarchical
compaction is built on top of the leaf cell compaction engine and
uses the algorithms implemented for leaf cell compaction in a
modular fashion. Third, a new representation for designs called
Virtual Interface, which allows for efficient topological
specification and representation of hierarchical layouts, is
outlined. The Virtual Interface representation binds all of the
algorithms and their implementations for leaf and hierarchical
compaction into an intuitive and easy-to-use system. From the
Foreword: ...In this book, the authors provide a comprehensive
approach to compaction based on carefully conceived abstractions.
They describe the design of algorithms that provide true
hierarchical compaction based on linear programming, but cut down
the complexity of the computations through introduction of
innovative representations that capture the provably minimum amount
of required information needed for correct compaction. In most
compaction algorithms, the complexity goes up with the number of
design objects, but in this approach, complexity is due to the
irregularity of the design, and hence is often tractable for most
designs which incorporate substantial regularity. Here the reader
will find an elegant treatment of the many challenges of
compaction, and a clear conceptual focus that provides a unified
approach to all aspects of the compaction task...' Jonathan Allen,
Massachusetts Institute of Technology
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