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Technical Q&As: Performance
Mac OS X application developers can measure, evaluate, and optimize graphics performance with tools such as Quartz Debug and OpenGL Profiler, technology features such as multiprocessing, and APIs such as the vImage framework.
View all Graphics & Imaging Technical Q&As.
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Date
Why am I drawing directly to the screen? (HTML)
QA1015: Explains why drawing to a window's backbuffer can affect the upper left corner of the screen instead.
 2004-02-19
Is ColorSync thread safe? (HTML) ()
QA1261: Discusses ColorSync thread-safety issues.
2003-04-17
Debugging Graphics with QuartzDebug (HTML) ()
QA1236: Explains how to use QuartzDebug to debug graphics issues.
 2003-02-25
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
Setting the preferred CMM programatically? (HTML)
QA1086: Uses the NCMConcatProfileSet structure to specify the CMM to be used to make the CMWorldRef with the NCWConcatColorWorld function.
 2001-10-24
QDFlushPortBuffer (HTML) ()
QD65: Describes a possible solution for window update problems under Carbon.
 2000-11-08