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Computer Science

Predictability vs. Efficiency : Predictability vs. Efficiency

By: Giorgio C Buttazzo, Giuseppe Lipari, Luca Abeni

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Hardcover | 6 May 2005

At a Glance

Hardcover
284 Pages

Dimensions(cm)
23.39 x 15.6 x 1.75

Hardcover

$229.90

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Hard real-time systems are very predictable, but not sufficiently flexible to adapt to dynamic situations. They are built under pessimistic assumptions to cope with worst-case scenarios, so they often waste resources. Soft real-time systems are built to reduce resource consumption, tolerate overloads and adapt to system changes. They are also more suited to novel applications of real-time technology, such as multimedia systems, monitoring apparatuses, telecommunication networks, mobile robotics, virtual reality, and interactive computer games. This unique monograph provides concrete methods for building flexible, predictable soft real-time systems, in order to optimize resources and reduce costs. It is an invaluable reference for developers, as well as researchers and students in Computer Science.

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You Can Find This Book In

Non-Fiction Computing & I.T.Operating Systems Computer Science Computer Programming & Software Development Software Engineering Databases Data Capture & Analysis Graphical & Digital Media Applications

Other Editions and Formats

Paperback

Published: 6th December 2010

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Efficiency
Preface
Introduction
Basic terminology
From hard to soft real-time systems
Providing support for soft real-time systems
Overload Management
Introduction
Load definitions
Admission control methods
Performance degradation methods
Service adaptation
Job skipping
Period adaptation
Temporal Protection
Problems without temporal protection
Providing temporal protection
The GPS model
Proportional share scheduling
Resource reservation techniques
Resource reservations in dynamic priority systems
Temporal guarantees
Resource reservations in operating system kernels
Multi-thread Applications
The thread model
Global approaches
Partition-based approaches
Concluding remarks and open problems
Synchronization Protocols
Terminology and notation
Shared resource in real-time systems
Synchronization protocols for hard real-time systems
Shared resources in soft real-time systems
Extending resource reservation with the SRP
Resource constraints in dynamic systems
Concluding remarks
Resource Reclaiming
Problems with reservations
The CASH algorithm
The GRUB algorithm
Other forms of reclaiming
QoS Management
The QoS-based resource allocation model
Static vs. dynamic resource management
Integrating design and scheduling issues
Smooth rate adaptation
Feedback Scheduling
Controlling the number of missed deadlines
Adaptive reservations
Application level adaptation
Workload estimators
Stochastic Scheduling
Background and definitions
Statistical analysis of classical algorithms
Real-time queueing theory
Novel algorithms for stochastic scheduling
Reservations and stochastic guarantee
References
Index
Table of Contents provided by Publisher. All Rights Reserved.

Computer Science

Predictability vs. Efficiency : Predictability vs. Efficiency

At a Glance

Hardcover

Shipping

How to return your order

Defective items

You Can Find This Book In

Other Editions and Formats

Paperback

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