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Your search returned 1 matching documents
Java Performance Tuning
by
Jack Shirazi,
Jack Shirazi
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O'Reilly
second edition
January 2003
600 pages
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Reviewed by Thomas Paul, March 2003
         (9 of 10)
Once the business rules have been settled and all that is left is to tune the code, then the fun starts. Like a race car mechanic trying to squeeze out a couple of extra MPH from a race car, the most fun in programming is to try squeeze out extra performance from some code. A book on performance tuning should understand that and make the topic fun. Reading this book it is clear that Jack Shirazi loves to tune code. He has done an incredible amount of detailed research on different JVMs to determine exactly how to make Java perform. But he is also practical. He explains how to find performance problems, which exact areas to concentrate on, and which areas to ignore. After reading this book you won't waste your time on areas of code that can't be easily optimized and instead you'll know how to concentrate on those places where you can get the most bang. The book has been updated from the earlier edition to bring all the information up to date with the latest JVMs. Best of all, an additional 250 pages has been added to the book covering J2EE including Servlets, JSPs, EJBs, and JDBC. "Java Performance Tuning" is a programmer's book. You are guaranteed to learn a lot of very neat and useful tricks. I doubt that there is another Java book on the market with as many "WOW!" moments in it. Buy it and watch your code zoom.
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O'Reilly
1 edition
January 2000
436 pages
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Reviewed by Thomas Paul, April 2001
(8 of 10)
You have been working on that Java application for two weeks and it's finally ready for testing. Your window for having the web site down is ten minutes but you aren't concerned. Three hours later with the program still running, you are more than concerned. Before you panic, pick up a copy of "Java Performance Tuning". This book is geared for serious developers who need to dramatically improve performance in their applications and are willing to dig deep into the code. For example, writing your own customized Reader and byte-to-char converter can be ten times faster than using the BufferedReader class. Shirazi starts off by showing how to measure performance and identify bottlenecks, including a way to override the Object class to measure object creation. Subsequent chapters discuss key performance issues and possible solutions. Topics covered include replacing Strings with char arrays, eliminating casting and minimizing object creation, removing method calls from inside of loops, writing your own sort routines instead of using Arrays.sort(), identifying the correct Collection object, using threading to improve performance, and optimizing distributed systems to decrease network communication. As Shirazi explains, some of the methods covered may violate encapsulation or other OO techniques so they should only be used when performance has been identified as a critical problem. Besides being well written, the book is fun. I found myself trying to figure out along with the author how to improve the performance of the various examples demonstrated in the book.
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