Timer coalescing: Difference between revisions
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'''Timer coalescing''' is an energy-saving technique that reduces [[central processing unit|processor]] power consumption by reducing the precision of [[software timer]]s to allow the synchronization of process wake-ups, minimizing the number of times the CPU is forced to perform the relatively power-costly operation of entering and exiting idle states. |
'''Timer coalescing''' is an energy-saving technique that reduces [[central processing unit|processor]] power consumption by reducing the precision of [[software timer]]s to allow the synchronization of process wake-ups, minimizing the number of times the CPU is forced to perform the relatively power-costly operation of entering and exiting [[Idle (CPU)|idle states]]. |
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Timer coalescing has been a feature of [[Microsoft Windows]] from [[Windows 7]] onward,<ref>{{cite web |
Timer coalescing has been a feature of [[Microsoft Windows]] from [[Windows 7]] onward,<ref>{{cite web |
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* [[Interrupt coalescing]] |
* [[Interrupt coalescing]] |
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* [[Tickless kernel]] |
* [[Tickless kernel]] |
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* [[HLT]] |
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* [[Performance per watt]] |
* [[Performance per watt]] |
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* [[Low-power electronics]] |
* [[Low-power electronics]] |
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Revision as of 23:02, 12 June 2013
Timer coalescing is an energy-saving technique that reduces processor power consumption by reducing the precision of software timers to allow the synchronization of process wake-ups, minimizing the number of times the CPU is forced to perform the relatively power-costly operation of entering and exiting idle states.
Timer coalescing has been a feature of Microsoft Windows from Windows 7 onward,[1] and in Apple's Mac OS X from Mac OS X Mavericks.[2][3]
References
- ^ "Windows Timer Coalescing". Microsoft. January 20, 2009. Retrieved 2009-04-21.
- ^ "OS X Mavericks - Advanced Technologies". Apple Inc.
- ^ "OS X Mavericks: Core Technologies Overview" (PDF). Apple, Inc. June 10, 2013. Retrieved June 10, 2013.
See also
- CPU power management
- Interrupt coalescing
- Tickless kernel
- HLT
- Performance per watt
- Low-power electronics
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