The Efficient Termination of Ada Tasks in a Multiprocessor Environment

Susan Flynn, Edith Schonberg

ISBN 10: 1332871437 / ISBN 13: 9781332871438

Published by Forgotten Books, 2022

About this Item

Print on Demand. This book presents an efficient distributed implementation of the termination rules for shared memory MIMD architectures, which is an important synchronization point in Ada tasking. Despite the potential for serialization points negating efficiency in such architectures, and the complexities of Ada tasking features, the author presents a simple and highly parallel solution that does not rely on a centralized supervisor or critical sections. By eliminating the need for expensive synchronization points, the author presents a streamlined approach to managing task dependencies and enabling efficient parallelism. The solution presented in this book provides a valuable contribution to the field of distributed computing, particularly for those working with Ada tasking in shared memory MIMD architectures. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.

Seller Inventory # 9781332871438_0

Bibliographic Details

• Title: The Efficient Termination of Ada Tasks in a Multiprocessor Environment
• Publisher: Forgotten Books
• Publication Date: 2022
• Language: English
• ISBN 10: 1332871437
• ISBN 13: 9781332871438
• Binding: Paperback
• Condition: New
• Book Type: print-on-demand item
• Seller catalogs:
  • Learning Foreign Languages

About this title

Synopsis

Safe, scalable Ada task termination in a multiprocessor world explains how to end tasks cleanly without race problems.

The book shows how a counter-based approach can track active subtasks and guide a controlled termination wave. It emphasizes distributed termination, master blocks and master tasks, and how quiescence fits into safe shutdown. Readers will see practical ideas for coordinating activation, quiescence, and completion to avoid premature termination in complex Ada tasking systems.

The text frames the problem of terminating nested and dynamically created tasks. It walks through concrete mechanisms, such as counters that include the task itself, and how master entities signal dependents to terminate. The discussion blends theory with steps you can implement on architectures ranging from shared memory to distributed systems.

• How no_term counters monitor active dependents and when a master can terminate
• How termination waves propagate from master tasks to their dependents
• How quiescence, completion, and terminate alternatives interact to avoid race conditions
• Practical considerations for implementing termination on MIMD and Ultracomputer-style systems

Ideal for readers exploring Ada concurrency and parallel programming in multiprocessor environments.