Intel prototypes new Micro Power management

Intel is researching new ways to save power in microprocessors. Recently, they made a new prototype to demonstrate how mobile processors can save power for elongated battery life in future.

They’re applying the smart, quick, hardware level idling you find on a CPU to many system parts. The result: systems that idle at 10x less juice.

The technology  is being applied to things like USB ports, which in 3.0, will go from polling (clock based, always checking) devices to being managed via events, so they can sleep whenever not being used. And graphics, when the page isn’t changing, can be run out of a frame buffer so the GPU and video RAM can sleep. More sleep, refers to additional milliseconds or longer. This adds up, over the course of a day when people stop to read or step away from their computers. In the past, the OS controlled the power savings, and that required power to process in turn, so you were using the system’s power to manage power, keeping those other components from ever really turning off. By doing power management with more granularity, in hardware and software together, you can switching things on/off fast enough to fit in lots of “naps” and you can also do it with less processing overhead.

This poer saving will boost the UMPC, mobile market, but it will goto desktops aswell.

source:gizmodo

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