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Leopard Release Notes: Hardware & Drivers
Apple provides tools, technologies, and programming interfaces to measure, evaluate, and optimize performance. Developers can use these tools to improve the performance of hardware devices and software.
View all Performance Release Notes.
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Affinity API Release Notes for Mac OS X v10.5 (HTML)
Explains how to influence which CPU core runs a group of threads (for performance optimization).
 2007-10-31
I/O Kit Power Management Release Notes (HTML)
Describes the latest changes to power management for Mac OS X v10.5.
 2007-10-31