1. Trigger to start the service
Usually system services are started together when the system starts, and then reside in the background waiting for the call. In Windows 7, part of the system services will only be activated after some events, such as inserting a device or change IP. This reduces the number of long-running services in the background.
2. The energy consumption of idle resources
When a computer starts up, it does not stay in full load for a long time and therefore has a lot of free time, so power consumption during idle time becomes an important technique for power management. In Windows7, the power consumption during idle time is effectively improved. When a certain hardware does not work for a certain period of time, it enters the low power consumption state to achieve the purpose of power saving. Including the CPU, hard disk, memory and network are using this technology. For example, a full power 35w CPU power consumption in the idle almost 0, only this one can save a lot of power.
3. Network equipment to improve power consumption
Windows7 for low-power wireless network controller mode has been enhanced compatibility, only in the wireless AP device supports low-power mode will be enabled. Vista because it can not detect in advance whether to support low-power mode, will result in a sudden interruption of wireless network connection. Windows7 will prevent this from happening. Before entering the low-power mode, it will first detect whether the wireless AP supports this mode.
4.Timer integration
At present, the processor achieves the purpose of energy saving by using the idle time of the processing instruction, but most energy-saving technologies require a certain amount of idle time to obtain the energy-saving effect. This technology increases the idle time of the processor by letting the Windows kernel terminate at the same time and concentrate on more than one originally scattered timer, which is handled in a short time. In addition, Windows 7 reduces the frequency of non-critical daemons while the laptop is running on battery power.
5. Enhanced processor power management
Windows7 incorporates the latest power management technology, which allows Windows7 to dynamically adjust CPU performance based on current load conditions and performance requirements.
Low power audio
Windows7 will support Intel's low-power HD audio specification, which allows codecs to enter extremely low power consumption. Windows 7 also supports selective suspend technology to turn off devices that are idle, such as USB devices such as microphones and cameras.
7. Adaptive display brightness adjustment
Microsoft said the monitor will turn itself off when it is not operating normally for 10-15 minutes. However, in actual use, there will be more short-term non-operating conditions, in order to better save energy, the technology will reduce the brightness of the monitor. In addition, it can also use some sensing devices to adjust the brightness of the display according to the ambient brightness.
8. Bluetooth device power consumption improvement
When Windows7 detects Bluetooth devices are in a low-power state, they will be temporarily closed, "Selective Suspend."
9. Typical application of the optimization program
In addition to the improvements listed above, Microsoft has also turned its attention to specific applications, including search, browse the Internet and games. The following is part of the DVD program optimization program scenarios:
Keeping the CPU in low-power mode without affecting playback performance; Improving the power consumption of desktop window managers and GPUs by changing the architecture; Intelligent data caching reduces drive spin speeds.
Reduce the method of laptop battery loss to explain here, I hope we usually use more time to note the laptop battery maintenance methods to reduce notebook battery wear and tear.
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