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Automatic Coding: Choice of Data Structures

  • Authors
  • James Richard Low

Table of contents

  1. Front Matter
    Pages N2-vii
  2. James Richard Low
    Pages 1-15
  3. James Richard Low
    Pages 16-21
  4. James Richard Low
    Pages 36-44
  5. James Richard Low
    Pages 45-50
  6. James Richard Low
    Pages 51-57
  7. James Richard Low
    Pages 58-62
  8. James Richard Low
    Pages 63-98
  9. James Richard Low
    Pages 99-103
  10. Back Matter
    Pages 104-110

About this book

Introduction

1.0 2 information structures, and the runtime efficiency available using lower level data structures. We believe these runtime inefficiencies can be remedied by providing a library of representations for the information structures and a user assisted automatic system to choose appropriate elements from this library for the user's programs. The main problems in such an automatic approach are: 1). Building a library of representations; 2). Characterizing the properties of these representations; 3). understanding how the user's program actually uses the abstract information structures; and -4). efficiently matching the user program needs with the properties of the known representations. The research reported here is an attempt to demonstrate the feasibility of such automatic representation selection. We allow the user to express data in terms of relations, sets, and sequences. Our system then obtains information by analysis of the program, execution statement profiles and interrogation of the user. Using that information, the system selects efficient (in terms of time and space) low level implementations for the user's information structures from a fixed library of information structure representations. Though we have considered only a few abstract information structures (those available in our programming language, SAIL) we believe the techniques used in this system are generally applicable.

Keywords

character coding data structure data structures efficiency implementation information language Matching programming programming language SAIL sets system time

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