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Intel's drivers for Windows does excellent power management for Corei family processors and put un used cores to sleep. It saves a significant amount of battery.
However I do use Ubuntu on my HP ProBook Corei7 and it keeps all the processors active everytime.
I've tried dual booting Windows7/Ubuntu and monitored the performance.
When using Windows with Intel's all drivers installed two things happens
* During normal work load only half or few cores are active and crunching data while others are totally sleeping.
* Optimized usages of cores increases the battery time and it also helps generates less heat as the fan runs after a long period to exhaust the heat.
When I boot into Ubuntu the performance utility shows me that all 8 cores are active are only crunching tiny bits of data. When using Ubuntu the battery time is less then compared to Windows and the fan runs frequently (as I believe running all the cores generates more heat)
Has anyone monitored same issues with Corei family processor laptops?
How I can better manage the processors and optimize their usage?