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Leopard Sample Code: Performance
The performance of Cocoa applications can be measured, evaluated, and optimized using Apple's developer tools, technologies, and programming interfaces. Developers can fine-tune their applications for high performance using tools such as the Shark code-profiling application, features such as multiprocessing, and APIs such as the one for the vDSP library.
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MapLargeFile (HTML) (DMG) (ZIP)
Shows a technique for mapping files greater than 4GB into memory for faster access.
 2003-11-19
SharedMemory (HTML) (DMG) (ZIP)
Shows how multiple applications can access the same memory using the Unix shmget system call.
2003-01-14
URL CacheInfo (HTML) (DMG) (ZIP)
Demonstrates resource caching behavior using the Cocoa URL loading system.
 2008-06-05