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Leopard Sample Code: Performance
The performance of Carbon 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.
View all Carbon Sample Code.
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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
CopyBits vs. CopyMask (HTML) (DMG) (ZIP)
Deprecated - CopyBits (using a mask region) vs. CopyMask (using a mask BitMap). Which do you think is faster?
 2003-07-22
icon cache demo (HTML) (DMG) (ZIP)
Demonstrates the use of an icon cache to limit the search for icon resource to one resource file.
 2003-01-30
PThreadSorts (HTML) (DMG) (ZIP)
Applies various sorting algorithms to pictures using POSIX threads (pthreads) on Mac OS X.
 2003-01-14
VelEng FFT (HTML) (DMG) (ZIP)
G4 Velocity Engine implementation of Fast Fourier Transform (FFT) and associated convolution/correlation routines.
 2003-01-14