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ARM big.LITTLE Processing Demo

ARM uploaded a big.LITTLE demonstration by Nandan Nayampally, Director, Product Marketing.

The demo runs the Android 2.3 (Gingerbread) with graphs showing CPU usage and when Cortex A7 / A15 is running. At the beginning Cortex A7 handles the background tasks, and when they start the Android Browser, Cortex A15 is used instead to render the page and once this is done, the system switches back to Cortex A7. Scrolling the webpage will increase CPU usage, but this will still be handled by Cortex A7.

They did not have to do any modifications to Android, but they just added a big.LITTLE aware Power Management Driver which will be open sourced and integrated in future version of the linaro kernel.

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Categories: Android, Hardware, Linux, Linux 3.0 Tags: Android, arm, cortex, cortex a15, cortex a7, gingerbread, linaro
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