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Technical Q&As: Carbon
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 Performance Technical Q&As.
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Title		 Sorted by
Date
Quartz 2D Thread Safety (HTML) ()
QA1238: Explains the thread-safety issues for the Quartz 2D API.
 2003-02-25
How do I tell if a particular display is being hardware accelerated by Quartz Extreme? (HTML) ()
QA1218: Describes how to use CGDisplayUsesOpenGLAcceleration to see if a display is accelerated or not.
 2002-12-04
Disabling a Processor on a Multiprocessor System (HTML) ()
QA1141: Describes how to disable a processor on a multiprocessor system for testing purposes.
 2002-05-22
OTScheduleDeferredTask When Task Running (HTML) ()
NW52: Describes what happens when you use OTScheduleDefferedTask to schedule a task that is running.
 1997-10-13
Changing the TCP Window Size (HTML)
NW47: Describes how to change the TCP window size in Open Transport.
 1997-03-14
Using Temporary Memory with OpenPicture (HTML)
Deprecated - QD20: Provides several techniques of causing OpenPicture to allocate temporary memory for a picture handle.
 1996-02-01
Error -151 and NewGWorld (HTML)
Deprecated - QD18: Explains what the error code -151 means when in NewGWorld.
 1995-09-15
Problem with PaintRgn on 256-color Screens (HTML)
Deprecated - QD23: PaintRgn with RGBForeColor and transfer mode addOver doesn't return color to original on 256-color-screens.
 1995-09-15