So, it uses less power, but takes longer to complete x264 test (relative to 3.9). Perhaps integrating the curve for total energy used would be a nice idea?
What we should be seeing, especially with haswell, is more dynamic power states. I realise this was with ivb, but I'd IMAGINE that intel is looking to make the kernel work best with their latest chips.
Also need to see how the work towards overall platform power reduction is going. Hopefully enough time has passed since the new framework (around 3.6, IIRC) for querying and setting component states for at least some of the drivers to have updated.
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Linux 3.11 May Lower Intel Power Consumption
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