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Java Performance Tuning

Performance has been an important issue with Java™ since the first version hit the Web years ago. Making those first interpreted programs run fast enough was a huge challenge for many developers. Since then, Java performance has improved enormously, and any Java program can now be made to run fast enough provided you avoid the main performance pitfalls. This book provides all the details a developer needs to performance-tune any type of Java program. I give step-by-step instructions on all aspects of the performance-tuning process, right from early considerations such as setting goals, measuring performance, and choosing a compiler, to detailed examples on using profiling tools and. | Team oR 2001 x java O reilly - Java Performance Tuning Java Performance Tuning Copyright 2000 O Reilly Associates Inc. All rights reserved. Printed in the United States of America. Published by O Reilly Associates Inc. 101 Morris Street Sebastopol CA 95472. The O Reilly logo is a registered trademark of O Reilly Associates Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book and O Reilly Associates Inc. was aware of a trademark claim the designations have been printed in caps or initial caps. Nutshell Handbook the Nutshell Handbook logo and the O Reilly logo are registered trademarks and The Java Series is a trademark of O Reilly Associates Inc. The association of the image of a serval with the topic of Java performance tuning is a trademark of O Reilly Associates Inc. Java and all Java-based trademarks and logos are trademarks or registered trademarks of Sun Microsystems Inc. in the United States and other countries. O Reilly Associates Inc. is independent of Sun Microsystems. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book and O Reilly Associates Inc. was aware of a trademark claim the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book the publisher assumes no responsibility for errors or omissions or for damages resulting from the use of the information contained herein. While every precaution has been taken in the preparation of this book the publisher assumes no responsibility for errors or omissions or for damages resulting from the use of the information contained herein. Java Performance Tuning Preface - 5 Contents of This Book Virtual Machine VM Versions Conventions Used in This Book Comments and Questions Acknowledgments 1. Introduction - 7 1.1 Why Is It Slow