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Leopard 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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Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
QA1141: Describes how to disable processor cores on a multi-core system for testing purposes.
2008-09-16
Requirements for Quartz GL (HTML)
QA1536: Describes the requirements for enabling Quartz GL.
2008-08-08
Synchronizing OpenGL rendering updates to the vertical refresh of the display (HTML)
QA1521: How to avoid tearing by synchronizing your rendering to the display VBL
2007-07-16
Debugging Graphics with QuartzDebug (HTML) (日本語 HTML)
QA1236: Explains how to use QuartzDebug to debug graphics issues.
2006-01-12
Specifiying if the CPU or the GPU should be used for rendering. (HTML)
QA1416: Which processor will be used for rendering in Core Image and how to affect it.
2005-08-16
How can I optimize a Quartz Composer composition depending on the hardware it runs on? (HTML)
QA1433: Explains how to design compositions that adapt to the hardware limitations.
2005-06-01
Is ColorSync thread safe? (HTML) (日本語 HTML)
QA1261: Discusses ColorSync thread-safety issues.
2003-04-17
Quartz 2D Thread Safety (HTML) (日本語 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) (日本語 HTML)
QA1218: Describes how to use CGDisplayUsesOpenGLAcceleration to see if a display is accelerated or not.
2002-12-04
QDFlushPortBuffer (HTML) (日本語 HTML)
QD65: Describes a possible solution for window update problems under Carbon.
2000-11-08