Efficient Branch and Bound Search with Application to Computer-Aided Design

Efficient Branch and Bound Search with Application to Computer-Aided Design

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Branch-and-bound search has been known for a long time and has been widely used in solving a variety of problems in computer-aided design (CAD) and many important optimization problems.
In many applications, the classic branch-and-bound search methods perform duplications of computations, or rely on the search decision trees which keep track of the branch-and-bound search processes. In CAD and many other technical fields, the computational cost of constructing branch-and-bound search decision trees in solving large scale problems is prohibitive and duplications of computations are intolerable. Efficient branch-and-bound methods are needed to deal with today's computational challenges. Efficient branch-and-bound methods must not duplicate computations.
Efficient Branch and Bound Search with Application to Computer-Aided Design describes an efficient branch-and-bound method for logic justification, which is fundamental to automatic test pattern generation (ATPG), redundancy identification, logic synthesis, minimization, verification, and other problems in CAD. The method is called justification equivalence, based on the observation that justification processes may share identical subsequent search decision sequences. With justification equivalence, duplication of computations is avoided in the dynamic branch-and-bound search process without using search decision trees.
Efficient Branch and Bound Search with Application to Computer-Aided Design consists of two parts. The first part, containing the first three chapters, provides the theoretical work. The second part deals with applications, particularly ATPG for sequential circuits.
This book is particularly useful to readers who are interested in the design and test of digital circuits.
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Product details

  • Hardback | 146 pages
  • 156 x 234 x 11.18mm | 910g
  • Dordrecht, Netherlands
  • English
  • 1996 ed.
  • XIV, 146 p.
  • 0792396731
  • 9780792396734

Table of contents

I Theory.- 1 Introduction.- 1.1 Branch-and-Bound Search.- 1.2 Efficient Branch-and-Bound Search.- 1.3 Justification with Branch-and-Bound.- 1.4 Why Use Justification Equivalence?.- 1.5 Prior Work.- 1.6 Organization of the Book.- 2 Justification Equivalence.- 2.1 Introduction.- 2.2 Justification Decomposition.- 2.3 Properties.- 2.4 Identification of Shared Justification Decisions.- 2.5 Justification Equivalence.- 2.6 Efficient Representation.- 2.7 An ATPG Example.- 2.8 Summary.- 3 Justification in Finite State Space.- 3.1 Introduction.- 3.2 What is State Justification?.- 3.3 Justifiability of States.- 3.4 State Justification Equivalence.- 3.5 Covering Properties.- 3.6 An Example.- 3.7 Summary.- II Applications.- 4 Sequential Circuit Test Generation.- 4.1 Introduction.- 4.2 What is Sequential Circuit Test Generation?.- 4.3 Complexity of Test Generation.- 4.4 How Can Justification Equivalence Help?.- 4.5 Prior Work.- 5 Fault Effects.- 5.1 Introduction.- 5.2 Fault Effect Analysis.- 5.3 Summary.- 6 The Sest Algorithm.- 6.1 Introduction.- 6.2 The Control Flow.- 6.3 Complexity of Retrieval.- 6.4 Implementation.- 6.5 Summary.- 7 Experimental Results.- 7.1 Introduction.- 7.2 Experimental Procedures.- 7.3 ATPG Time Proportions.- 7.4 SEST Efficiency Evaluation.- 7.5 Benchmark Results.- 7.6 Summary.- 8 Redundancy Identification.- 8.1 Introduction.- 8.2 Why is Redundancy Identification Needed?.- 8.3 Prior Work.- 8.4 Efficient Redundancy Identification.- 8.5 Summary.- 9 Logic Verification.- 9.1 Introduction.- 9.2 Prior Work.- 9.3 Logic Verification via Test Generation.- 9.4 Summary.- 10 Conclusion.- A Sest User's Guide.- A.1 Introduction.- A.2 Command Synopsis.- A.3 Options.- A.4 Inputs and Outputs.- A.5 Output Files.- A.6 Example.- A.7 Down-Loading SEST from the Disk.- A.8 Reporting Bugs.- A.9 Author.- References.
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