Windows 8, the most anticipated Operating System of Microsoft Windows embeds live tiles and many features that might seem to consume lot of power. But, actually Windows 8 has been intended with so much of innovations that it overcomes this as well.
Windows 8 efficiency in terms of power is increased to the required level which reduces the power cost associated with Software. For the end users use, Windows 8 creates plethora of advantages and benefits like it offers a longer and durable battery life with reduced environmental impact, and also reduces the energy costs.
Pat Stemen, a Windows Kernel team program manager, remarks that Windows 8 software can single handedly impact power consumption, by using resources including the processor, the hard disks, RAM, etc.
The software giant very sensibly gave the resorts to the problem of software increasing power consumption, draining battery, decreasing the efficiency of Windows, while increasing costs and the impact on the environment. The answers were justifiable to the above said problems, including the Metro style app model, idle hygiene, and a new runtime device power management framework.
Windows 8 Metro apps are suspended when not in use, which means that they’re not consuming any hardware resources, unless the user needs them to run. As, the Redmond Company managed to reduce the power cost associated with them as low as possible, when the Metro applications are not active.
“The Metro style application model is designed from the beginning to be power-friendly. The power management benefit is that the model makes it easy for developers to ensure their application is running only at the right time—applications in the background are suspended such that they do not consume resources and power when not in use,” Stemen said.
Moreover, another power management improvement in Windows 8 is set up to elongate the interval of idle states as much as possible.
It is very obvious that the idle machines consume considerably less power than active computers, and Windows 8 does a better job at managing intermittent idle activity, which Stemen raises to as idle hygiene.
“When the screen is on, we’ve already moved the bar significantly from a maximum idle duration of 15.6ms in Windows 7 to 35% of our durations longer than 100ms in Windows 8! With the screen off and during Connected Standby, our idle durations are even longer, currently in the tens of seconds,” Stemen explained.
“For Windows 8, we’ve built a new device power framework that allows all devices to advertise their power management capabilities and integrate them with a special driver called the Power Engine Plug-in or PEP, designed for SoC systems,” Stemen remarked.
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