Consumo eficaz de energía

Using Amdahl's Law for Energy Efficient Performance Estimation?

While trying to find an answer to my previous question, I stumbled across the paper "Extending Amdahl's Law for Energy-Efficient Computing in the Many-Core Era" (Computer, Dec. 2008, pp. 24-31) by Dong Hyuk Woo and Hsien-Hsin S. Lee (Georgia Institute of Technology). The title had me thinking that this might be an investigation into finding a metric or upper bound on how energy efficient an application could be. It didn't quite turn out to be that simple, but the findings are interesting.

Accessing Intel® Power Gadget 2.0 library in C++

With the release of Intel® Power Gadget 2.0 there is now externally callable API’s to extract power information within sections of code. The API layer is a set of libraries and dlls that can be called via C/C#/C++ or via JavaScript and offers the flexibility to build the tool within code sections of an application. Intel® Power Gadget 2.0’s main engine is written as ATL COM that supports Javascript, C++, and C#. The gadget itself is a sample javascript code to use the library.

How would you define "Energy Efficient"?

Say your boss comes to you and tells you to ensure that the software project you are working on is energy efficient. (Go ahead, I'll wait while you say it.)

There are all kinds of ideas to be found on the Power Efficiency Community site on how to accomplish this assignment. What I'd like to know is how you prove to your boss that you have accomplished the task. Or, if you've already optimized the you-know-what out of the application, what do you measure to label your software is energy efficient?

Ultrabooks are here and so is our new community!

Without a doubt, one of the most exciting developments in the tech world for 2011 was the introduction of the Ultrabook.  We put a reference design out there and OEMs took it and ran with it.  Most of the models that arrived were slim, sleek, powerful and yet power-efficient.  I brought one of the current ultrabooks with me on holiday this year, knowing that it would be played with by my tech-savvy extended family, and it quickly found it’s way onto everyone’s gift list.

"Green" Code Development

Ultrabook™ is a new word in the mobile devices world. Slim design, lightweight, as powerful as a PC and as portable as a tablet. Consumers like Ultrabook for that, but for me, software developing is more interesting - how can I make my applications for Ultrabook more Ultrabook-friendly?

Ultrabook is a mobile device and, as every mobile device, it has a battery. Power efficiency is very important in the mobile world. Every user wants to use their device as long as possible without charging the battery.

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  • Accessing Intel® Power Gadget from Intel® Energy Checker SDK

    Intel® Power Gadget 2.0 can be associated with the Intel® Energy Checker SDK (Intel EC SDK). Used as an ESRV* DAQ module**, the Intel® Power Gadget can provide processor average power (Watt), cumulative energy consumed (Joule) and instantaneous frequency (MHz) as counters. These counter’s values can then be read by any application using the SDK API or monitored with SDK tools.






    首先,应用设计者在明确其用户体验 (UX) 时应先回答一系列问题。回答完这些问题后,您将能够更好地处理以下所述的其它问题。

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