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Excellent Power Management Reference

Dear passionate power management reader,

Doing an internet scan for material having to do with power management policy, my next blog series, I ran across a blog that I believe to be excellent. As many of you have discovered, I generally write at a pretty high level, though technical. I do this intentionally. At the beginning of my blogging career, there was not much written about power management that was comprehensible to a competent engineer who was not a power expert.

Intel® Xeon Phi™ coprocessor Power Management Configuration: Using the micsmc command-line Interface

Previous blogs on power management and a host of other power management resources can be found in, “List of Useful Power and Power Management Articles, Blogs and References” at http://software.intel.com/en-us/articles/list-of-useful-power-and-power-management-articles-blogs-and-references.

INTRODUCTIONS: TEMPERATURE SENSORS AND THE COPROCESSOR

Intel® Xeon Phi™ coprocessor Power Management Configuration: Using the micsmc GUI Interface

Previous blogs on power management and a host of other power management resources can be found in, “List of Useful Power and Power Management Articles, Blogs and References” at http://software.intel.com/en-us/articles/list-of-useful-power-and-power-management-articles-blogs-and-references. See [LIST] below in the reference section.

HOW DO WE CONFIGURE COPROCESSOR POWER MANAGEMENT

Quick Start Guides Published for the Intel® Xeon Phi™ Coprocessor Expert User

This is a short notice to let you know that two new articles have been published for the Intel® Xeon Phi™ coprocessor: * Quick Start Guide: For the Intel Xeon Phi Coprocessor Administrator * Quick Start Guide: For the Intel Xeon Phi Coprocessor Developer The target of both of these guides is the expert user. Our assumption is that the expert user does not need to be told what to do, as he already has potentially decades of experience doing his job. Similarly, he does not need to be told how to research his area of expertise as he has done so dozens of times in the past. As these users are new to administering or developing on the Intel Xeon Phi coprocessor, they want to know only where they can find key resources, such as cluster administration guides, technical support and examples.

Power Configuration Part 0: Introduction: Yikes, there is a lot that is not documented

I was hoping to write a brief two part overview of how to configure the various power settings for the Intel® Xeon Phi™ coprocessor. It was going to be concise and brief, allowing me to get on to the next topic. Unfortunately, as I dug into the topic further, I discovered that much of it is not very well documented. I found myself essentially writing quite a bit of explanation.

As usual, I am starting off writing this as a series of blogs. At a later point, I will reformat the blogs into a more formal article with any semblance of humor removed.

Intel® Xeon Phi™ coprocessor Power Management Turbo Part 2: Hot and Cold Running Silicon

The previous blog in this series, “Intel® Xeon Phi™ coprocessor Power Management Turbo Part 1: What is turbo? And how will it affect my horsepower?” can be found at http://software.intel.com/en-us/blogs/2013/09/26/intel-xeon-phi-coprocessor-power-management-turbo-part-1-what-is-turbo-and-how-will.

TEMPERATURE DISTRIBUTION

MODERATE ACTIVITY

C-States, P-States, where the heck are those T-States?

I had an interesting question come across my desk a few days ago: “Is it still worthwhile to understand T-states?” My first response was to think, “Huh? What the heck is a T-state?”

Doing a little more research, I discovered that, yes, there is something called a T-state, and no, it really isn’t relevant any more, at least for mainline Intel(R) processors.

Let me say this again: T-States are no longer relevant!

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