On Mon, Jun 13, 2011 at 5:05 PM, Thomas Abraham thomas.abraham@linaro.org wrote:
== Thomas Abraham <thomas-ab> ==
=== Highlights ===
- Completed the power measurement with and without memory regions patches,
but did not find any savings in power consumed.
- Did further testing at hardware level (with only u-boot executing, no linux)
and found a issue with memory controller settings. After fixing the issue, there is about 60mA of savings when all the banks of the 4 DDR3 modules connected to one memory controller are kept in precharge power-down mode versus when read/write activity are active on them.
Hi Thomas,
Where can I find details about these measurements, patches, etc.? What is the latency in bring this memory back online?
/Amit
- Submitted third version of the clkdev patches.
=== Plans ===
- Re-run the tests with memory regions patches. Also find a test
equipment that can provide average power consumed when a test case is executed.
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