Jumat, 04 Maret 2011

[U256.Ebook] Download Ebook Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick

Download Ebook Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick

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Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick

Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick



Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick

Download Ebook Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick

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Genetic Algorithms for VLSI Design, Layout and Test Automation, by Pinaki Mazumder, Elizabeth Rudnick

Genetic algorithms mimic the natural process of evolution, helping engineers optimize their designs by using the principle of 'survival of the fittest.' VLSI is especially suited to benefit from genetic algorithms - and this comprehensive book shows you how to get the best results, fast. Youll discover how genetic algorithms work and how you can use them in a wide variety of VLSI design, layout, and test automation tasks, including: Circuit partitioning Macro cell routing, including Steiner problems and global routing Standard cell and macro cell placement Circuit segmentation, FPGA mapping and pseudo-exhaustive testing Automatic test generation including compaction, eterministic/genetic test hybrids and integration of finite state machine sequences Peak power estimation Youll find essential insights into problem encoding and fitness functions; coverage of advanced parallel implementations; and much more. Specific experimental results are presented for every application - as are detailed problem descriptions and easy-to-adapt examples. Genetic algorithms are already being incorporated into leading electronic design automation systems. Leverage their full power now - with Genetic Al

  • Sales Rank: #2162831 in Books
  • Published on: 1998-12-20
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.40" h x .90" w x 6.90" l, 1.95 pounds
  • Binding: Paperback
  • 338 pages

From the Inside Flap
Preface

This book describes how genetic algorithms (GAs)can be utilized for developing effcient computer-aided design (CAD)tools for performing VLSI design optimiza- tion,layout generation,and chip testing tasks.It is written primarily for practicing CAD engineers and academic researchers who want to apply GAs and analyze their performance in solving large VLSI/CAD optimization problems.

Although GAs were developed over twenty-five years ago, not much research and experimental work have been done to ascertain their capabilities in solving complex and extremely large constrained combinatorial optimization problems that one generally encounters in designing VLSI/CAD tools. Unlike graph theoretic approaches, integer/linear programming, simulated annealing, and a host of other optimization techniques that have been quite successfully deployed as core problem solving methods in various VLSI/CAD tools, GAs are not yet as widely used. We hope that this book will motivate readers to widely apply GAs in developing VLSI/CAD tools.

For this purpose, we have carefully selected a few important VLSI design automation problems with unique problem solving features, and we have shown how in each case, various aspects of the GA, namely its chromosome, crossover and mutation operators, etc., can be separately formulated to solve these problems. In order to estimate the e ffectiveness of GAs, we have compared their performance with conventional algorithms. While most of the solution techniques proposed in this book have been developed in an ad hoc and exploratory manner,the basic formulations of the GAs are, nevertheless, applicable to a range of related problems. However, further experimentation is needed to find better settings of GA parameters for each problem. If the empirical study is also combined with insightful mathematical modeling, then we strongly believe that the performance of the genetic-based tools can be further improved and real payoffs of the use of GAs in CAD tools can be demonstrated.

The main objectives of this book are: to aggregate various genetic-based research work performed by the authors and their coresearchers at The University of Michigan, Ann Arbor, and the University of Illinois, Urbana,as well as by colleagues at the University of Iowa, Iowa City; to educate readers in the VLSI/CAD community about the merits of GAs by demonstrating some sample solution techniques; to motivate readers to develop improved techniques with appropriate mathematical formulations; and finally, to encourage readers working in other fields of science and engineering to explore the GA as a powerful method for solving problems in their areas of work. We have included sufficient introductory material to enable a reader who is not well-versed in GAs to know how to use them effectively. It is our sincere hope that in the future, GAs will prove to be a general-purpose heuristic method for solving a wider class of engineering and scientific problems.

Another purpose of this book is to foster research work on the development of distributed CAD tools that run efficiently on a network of workstations. Originally, Prof.Mazumder's research group was intrigued by the intrinsic parallelism of GAs and the group embarked upon this research work with a view toward developing a suite of VLSI layout tools that can efficiently utilize the distributed resources of a network of workstations loosely connected through a local area network. With the availability of inexpensive personal computers and workstations that can be linked via an Ethernet type network, the CAD tool development environment has dramatically shifted from a single powerful uniprocessor to a cluster of networked desk-top computers. The main goal for developing this suite of distributed layout tools was to demonstrate that GAs are uniquely suited for running concurrently on a number of workstations without requiring much communication overhead. In the recent past, some existing layout tools have been successfully modified to run efficiently on tightly coupled shared-memory (e.g., Sequent's bus-based Balance) and message-passing (e.g., Intel's hypercube) machines. In order to achieve high speedup, these algorithms require frequent data exchange between two or more processors in a cluster. However, by and large, conventional layout algorithms are not amenable to parallelism on a network of workstations. As VLSI chips are reaching the integration level of one hundred million transistors and more, chip design tasks are becoming extremely complex and computation intensive. New generation CAD tools must be able to run in parallel over a large number of inexpensive computers interconnected together by a local area network. It will therefore be worthwhile to invest an effort in developing genetic-based CAD tools. Organization of the Book

There are three distinct classes of VLSI problems which the book addresses: (1) the layout class of problems,such as circuit partitioning, placement, and routing; (2) the design class of problems, including power estimation, technology mapping, and netlist partitioning; and, finally, (3) reliable chip testing through efficient test vector generation. All these problems are intractable in the sense that no polynomial time algorithm can guarantee optimal solution of the problems, and they actually belong to the dreadful NP-complete and NP-hard categories. The book is organized as follows.

Chapter 1 provides an introduction to the two basic types of GAs: the simple genetic algorithm and the steady-state algorithm. GA terminology is introduced and genetic operators are discussed. A simple test generation example is used to illustrate the operation of a GA, and then GAs for problems in VLSI Design, Layout, and Test automation are introduced.

Chapter 2 addresses the problem of circuit partitioning. It begins with a review of previous approaches used and then describes a steady-state GA for solving the problem. Experimental results are presented and a hybrid GA that incorporates local optimization is described.

Chapter 3 focuses on automatic placement for standard cells and macro cells. A GA for standard cell placement is described, results are presented, and the genetic approach is compared to simulated annealing. In addition, an algorithm that combines a GA and simulated annealing for macro cell placement is discussed.

Chapter 4 discusses problems encountered in macro cell routing. It begins by addressing the Steiner problem in a graph. Previous approaches are reviewed, a GA to solve the problem is described, experimental results are presented, and comparisons are made to previous work. Finally,the GA for the Steiner problem in a graph is applied to the macro cell routing problem and results are presented to demonstrate the effectiveness of this approach.

Chapter 5 describes a GA for FPG technology mapping, which is a key phase of logic synthesis and involves partitioning the circuit into a number of subcircuits that are not necessarily disjoint. Application of circuit partitioning to pseudo-exhaustive testing is also addressed, and experimental results are given for FPGA technology mapping.

Chapter 6 discusses the problem of automatic test generation. A GA framework for test generation is presented and results of experiments to evaluate various GA parameters are given. Integration of GA s with deterministic algorithms and incorporation of problem-specific knowledge into a GA are discussed. The chapter concludes by describing how the GA framework can be applied to the problem of test sequence compaction.

Chapter 7 deals with power estimation for VLSI circuits. In particular, it describes a GA for estimating the peak power dissipation in a circuit. The peak power estimates provide a tight lower bound on the actual peak power and are significantly more accurate than previous approaches. The actual sequences of vectors that achieve these bounds are also generated by the GA. The effects of the delay model used on the quality of the results are also discussed.

Chapter 8 explores parallel implementations of GAs for standard cell placement and test generation. The migration operator for parallel GAs is introduced in this chapter. GAs that require little communication between processors and are therefore suitable for a network of workstations are described. Experimental results are presented to illustrate the effects of various communication patterns. Very good speedups are achieved, as demonstrated for several benchmark circuits.

Chapter 9 concludes the book by giving guidelines for devising a GA to solve a new problem in the area of VLSI design, layout, and test automation or in another domain of science and engineering. Problem encoding, fitness function,type of GA, and GA parameters are addressed, and the genetic approach is compared to conventional approaches. Applicability of the Book

This book is intended for design engineers and researchers in the fields of VLSI and CAD. The book introduces the main concepts of GAs in a simple and easily understandable way that may encourage first time users to

From the Back Cover


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Genetic algorithms mimic the natural process of evolution, helping engineers optimize their designs by using the principle of "survival of the fittest." VLSI is especially suited to benefit from genetic algorithms - and this comprehensive book shows you how to get the best results, fast. You'll discover how genetic algorithms work and how you can use them in a wide variety of VLSI design, layout, and test automation tasks, including:

  • Circuit partitioning
  • Macro cell routing, including Steiner problems and global routing
  • Standard cell and macro cell placement
  • Circuit segmentation,FPGA mapping and pseudo-exhaustive testing
  • Automatic test generation including compaction, eterministic/genetic test hybrids and integration of finite state machine sequences
  • Peak power estimation

You'll find essential insights into problem encoding and fitness functions; coverage of advanced parallel implementations; and much more. Specific experimental results are presented for every application - as are detailed problem descriptions and easy-to-adapt examples.

Genetic algorithms are already being incorporated into leading electronic design automation systems. Leverage their full power now - with Genetic Algorithms For VLSI Design, Layout, and Test Automation.

About the Author

PINAKI MAZUMDER is Professor in the Department of Electrical Engineering and Computer Science at The University of Michigan, Ann Arbor. He has worked for over six years at AT&T Bell Laboratories (USA), NTT (Japan), and BEL (India). He has coauthored a book entitled Testing and Testable Design of High-Density Random-Access Memories and has published over 100 archival papers on VLSI testing, physical design automation, and high-speed circuit design.

ELIZABETH M. RUDNICK is Assistant Professor at the Center for Reliable and High-Performance Computing and the Department of Electrical and Computer Engineering, University of Illinois, Urbana. She has worked at Motorola, Sunrise Test Systems, and AMD, specializing in design verification, test generation, and electronic design automation.

Most helpful customer reviews

3 of 4 people found the following review helpful.
The essential guide to application of GAs to electronics.
By A Customer
This book describes the application of genetic algorithms to electronics design in a clear, consise, and easy to understand way. Starting with a brief introduction covering terminology and concepts, it quickly moves to applications which facilitate comprehension via example usage. The facet I most appreciate about the book is its ability to apply the technology to real world problems while retaining a close connection with theory. While basic utilization is covered, advanced topics are also presented without sacrifice of detail.
This work specific to electrical engineering, in conjunction with Goldbergs's broader treatment of the general subject, together constitute an essential and complete treatment for both the experienced and learning engineer. I have been fortunate to attend professional lectures by one of the authors (Rudnick) and can attest her clarity of expression and ability to easily cover complex material is present throughout the text.
The author's lucid treatment of the subject makes this the fundamental work on application of GA technology to VLSI design.

3 of 4 people found the following review helpful.
Wrong combination of GAs and application domain
By A Customer
The authors do state in the conclusions that some of the GAs discussed throughout the book do not compare well with the state-of-the-art in place and route tools that have been developed during the last two decades (which is to their credit to mention it.) However, the book makes several very serious mistakes and pitfalls both in the design and implementation of the GAs they try, as well as in the choice of tools to compare their implementations against. For example, in partitioning, they choose for their GA the "obvious" object representation. There has been a lot of work on GAs tailored for "grouping problems" such as partitioning (read Falkenauer) that lead to much better results using an encoding based on "groups representations". Even worse, the algorithms they choose to compare against (standard F-M) is unfair, as there are many F-M based partitioners that beat almost any other algorithm that has been proposed by far!. Not to mention that the benchmarks they use are considered today less than "toy" problems!.
Finally, for a book published in 1999, the bibliography offered is missing a lot of important papers published during the 90's in the fields of physical design for VLSI as well as Genetic Algorithms.

0 of 0 people found the following review helpful.
Five Stars
By Amazon Customer
it is very good.fast and excellent

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