Difference between revisions of "DVFS"

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(Switching Overhead)
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:Power consumption table for several processors at different power management C-states
 
:Power consumption table for several processors at different power management C-states
  
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*Taylor Kidd. [http://software.intel.com/en-us/blogs/2008/04/29/theres-got-to-be-a-catch/ There's got to be a catch]. Intel Software Blog. April 29, 2008 at 9:24 am
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:-20us transition overhead for all C-states?
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*[http://www.acpi.info/DOWNLOADS/ACPIspec40a.pdf Advanced Configuration and Power Interface Specification]. Hewlett-Packard, Intel, Microsoft, Toshiba Corporations, and Phoenix Technologies Ltd. Revision 4.0a. April 5, 2010
  
 
=== DVFS Project Resources ===
 
=== DVFS Project Resources ===

Revision as of 22:00, 28 August 2010

DVFS, Wikipedia An article that need to be written.

Switching Overhead

-p. 168: "Processor core (including shared cache) is unavailable for less than 2us during the frequency transition."
Power consumption table for 5600 by C-state
Power consumption table for several processors at different power management C-states
-20us transition overhead for all C-states?

DVFS Project Resources

Concise references for DVFS project from 2003 using speedstep on an IBM Thinkpad
Good linux kernel reference
  • Topic: Addressing the power cost of switching overhead in DVFS processors.

Experimental Setup

DVFS Papers

Prediction and switching overhead

DVFS in Linux