New article: Adaptive Clocking in AMD’s Steamroller

Article: Adaptive Clocking in AMD's Steamroller
By: David Kanter (dkanter.delete@this.realworldtech.com), May 6, 2014 1:33 pm
Room: Moderated Discussions
Happy Wednesday,

This is the first of one of my shorter posts at RWT. Rather than a grand, sprawling discourse on architecture, it is instead a much more focused discussion of singular but highly informative topic:

"My favorite paper from the ISSCC processor session describes an adaptive clocking technique implemented in AMD’s 28nm Steamroller core that compensates for power supply noise. Initial results show a 10-20% decrease in power consumption from reducing the voltage, with no loss in performance. This elegant technique is likely to be adopted across AMD’s entire product line including GPUs, x86 CPUs, ARM-based CPUs, and other critical blocks in highly integrated SoCs."

http://www.realworldtech.com/steamroller-clocking/

As a personal aside, these sort of techniques are absolutely critical and what separate out the top-notch physical design groups from companies that slap together a pile of IP and call it an SoC.

As always, comments and discussion are encouraged.

David
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