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Java performance tuning /
No matter what language they're programming in, developers always wish things would run faster! Especially when writing mission-critical applications, no one wants to be limited by the programming environment. Java Performance Tuning provides all the details you need to know to "performanc...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Cambridge, Mass. :
O'Reilly,
©2000.
|
| Edición: | 1st ed. |
| Colección: | Java series (O'Reilly & Associates)
|
| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Why Is It Slow?
- 2
- 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
- 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.