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| Preface | |
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| Introduction | |
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| Why Is It Slow? | |
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| The Tuning Game | |
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| System Limitations and What to Tune | |
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| A Tuning Strategy | |
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| Perceived Performance | |
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| Starting to Tune | |
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| What to Measure | |
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| Don't Tune What You Don't Need to Tune | |
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| Performance Checklist | |
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| Profiling Tools | |
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| Measurements and Timings | |
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| Garbage Collection | |
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| Method Calls | |
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| Object-Creation Profiling | |
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| Monitoring Gross Memory Usage | |
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| Client/Server Communications | |
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| Performance Checklist | |
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| Underlying JDK Improvements | |
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| Garbage Collection | |
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| Replacing JDK Classes | |
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| Faster VMs | |
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| Better Optimizing Compilers | |
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| Sun's Compiler and Runtime Optimizations | |
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| Compile to Native Machine Code | |
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| Native Method Calls | |
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| Uncompressed ZIP/JAR Files | |
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| Performance Checklist | |
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| Object Creation | |
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| Object-Creation Statistics | |
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| Object Reuse | |
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| Avoiding Garbage Collection | |
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| Initialization | |
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| Early and Late Initialization | |
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| Performance Checklist | |
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| Strings | |
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| The Performance Effects of Strings | |
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| Compile-Time Versus Runtime Resolution of Strings | |
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| Conversions to Strings | |
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| Strings Versus char Arrays | |
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| String Comparisons and Searches | |
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| Sorting Internationalized Strings | |
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| Performance Checklist | |
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| Exceptions, Casts, and Variables | |
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| Exceptions | |
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| Casts | |
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| Variables | |
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| Method Parameters | |
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| Performance Checklist | |
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| Loops and Switches | |
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| Java.io.Reader Converter | |
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| Exception-Terminated Loops | |
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| Switches | |
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| Recursion | |
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| Recursion and Stacks | |
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| Performance Checklist | |
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| I/O, Logging, and Console Output | |
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| Replacing System.out | |
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| Logging | |
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| From Raw I/O to Smokin' I/O | |
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| Serialization | |
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| Clustering Objects and Counting I/O Operations | |
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| Compression | |
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| Performance Checklist | |
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| Sorting | |
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| Avoiding Unnecessary Sorting Overhead | |
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| An Efficient Sorting Framework | |
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| Better Than O(nlogn) Sorting | |
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| Performance Checklist | |
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| Threading | |
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| User-Interface Thread and Other Threads | |
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| Race Conditions | |
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| Deadlocks | |
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| Synchronization Overheads | |
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| Timing Multithreaded Tests | |
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| Atomic Access and Assignment | |
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| Thread Pools | |
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| Load Balancing | |
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| Threaded Problem-Solving Strategies | |
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| Performance Checklist | |
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| Appropriate Data Structures and Algorithms | |
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| Collections | |
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| Java 2 Collections | |
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| Hashtables and HashMaps | |
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| Cached Access | |
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| Caching Example I | |
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| Caching Example II | |
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| Finding the Index for Partially Matched Strings | |
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| Search Trees | |
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| Performance Checklist | |
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| Distributed Computing | |
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| Tools | |
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| Message Reduction | |
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| Comparing Communication Layers | |
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| Caching | |
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| Batching I | |
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| Application Partitioning | |
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| Batching II | |
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| Low-Level Communication Optimizations | |
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| Distributed Garbage Collection | |
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| Databases | |
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| Performance Checklist | |
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| When to Optimize | |
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| When Not to Optimize | |
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| Tuning Class Libraries and Beans | |
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| Analysis | |
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| Design and Architecture | |
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| Tuning After Deployment | |
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| More Factors That Affect Performance | |
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| Performance Checklist | |
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| Underlying Operating System and Network Improvements | |
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| Hard Disks | |
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| CPU | |
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| RAM | |
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| Network I/O | |
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| Performance Checklist | |
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| Further Resources | |
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| Books | |
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| Magazines | |
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| URLs | |
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| Profilers | |
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| Optimizers | |
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| Index | |