Java performance tuning / Jack Shirazi.

Format:

Book

Author/Creator:

Shirazi, Jack.

Series:

Java series (O'Reilly & Associates)

Java series

Language:

English

Subjects (All):

Java (Computer program language).

Physical Description:

xiv, 426 pages : illustrations ; 24 cm.

Place of Publication:

Cambridge, Mass. : O'Reilly, 2000.

Summary:

"Java Performance Tuning" provides the details developers need to know to performance tune any type of Java program and make Java code run significantly faster. Presents step-by-step instructions on all aspects of the tuning process, with extensive, detailed examples and performance tuning checklists.

Contents:

Why Is It Slow? 2

The Tuning Game 3

System Limitations and What to Tune 3

A Tuning Strategy 5

Perceived Performance 6

Starting to Tune 10

What to Measure 15

Don't Tune What You Don't Need to Tune 17

2. Profiling Tools 20

Measurements and Timings 21

Garbage Collection 23

Method Calls 26

Object-Creation Profiling 43

Monitoring Gross Memory Usage 50

Client/Server Communications 56

3. Underlying JDK Improvements 64

Garbage Collection 64

Replacing JDK Classes 66

Faster VMs 68

Better Optimizing Compilers 73

Sun's Compiler and Runtime Optimizations 82

Compile to Native Machine Code 89

Native Method Calls 90

Uncompressed ZIP/JAR Files 91

4. Object Creation 94

Object-Creation Statistics 96

Object Reuse 97

Avoiding Garbage Collection 112

Initialization 115

Early and Late Initialization 117

5. Strings 122

The Performance Effects of Strings 122

Compile-Time Versus Runtime Resolution of Strings 125

Conversions to Strings 126

Strings Versus char Arrays 142

String Comparisons and Searches 150

Sorting Internationalized Strings 153

6. Exceptions, Casts, and Variables 161

Exceptions 161

Casts 167

Variables 169

Method Parameters 172

7. Loops and Switches 174

Java.io.Reader Converter 178

Exception-Terminated Loops 184

Switches 189

Recursion 195

Recursion and Stacks 200

8. I/O, Logging, and Console Output 204

Replacing System.out 206

Logging 208

From Raw I/O to Smokin' I/O 209

Serialization 217

Clustering Objects and Counting I/O Operations 230

Compression 232

9. Sorting 237

Avoiding Unnecessary Sorting Overhead 237

An Efficient Sorting Framework 241

Better Than O(nlogn) Sorting 249

Performance Checklist 255

10. Threading 256

User-Interface Thread and Other Threads 258

Race Conditions 259

Deadlocks 261

Synchronization Overheads 265

Timing Multithreaded Tests 275

Atomic Access and Assignment 276

Thread Pools 278

Load Balancing 279

Threaded Problem-Solving Strategies 291

11. Appropriate Data Structures and Algorithms 293

Collections 294

Java 2 Collections 296

Hashtables and HashMaps 298

Cached Access 302

Caching Example I 303

Caching Example II 306

Finding the Index for Partially Matched Strings 310

Search Trees 314

12. Distributed Computing 335

Tools 337

Message Reduction 339

Comparing Communication Layers 342

Caching 344

Batching I 346

Application Partitioning 347

Batching II 348

Low-Level Communication Optimizations 349

Distributed Garbage Collection 354

Databases 355

13. When to Optimize 357

When Not to Optimize 358

Tuning Class Libraries and Beans 359

Analysis 362

Design and Architecture 366

Tuning After Deployment 382

More Factors That Affect Performance 383

14. Underlying Operating System and Network Improvements 389

Hard Disks 390

CPU 395

RAM 397

Network I/O 398.

Notes:

Includes bibliographical references (pages 405-408) and index.

ISBN:

0596000154

OCLC:

44775407