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Leopard Technical Q&As: Graphics & Imaging
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 Performance 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
Driving OpenGL Rendering Loops (HTML)
QA1385: Using Core Video display links (CVDisplayLink) or Cocoa timers (NSTimer) to drive an OpenGL rendering loop
 2009-05-01
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
Requirements for Quartz GL (HTML)
QA1536: Describes the requirements for enabling Quartz GL.
 2008-08-08
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
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