Building a new post by Microsoft on Windows 8 Windows 8quickly reveals blog in startup. Windows 8 will be faster than all previous versions of Windows including Windows 7 startup.
We designed Windows 8 so that you don't have to start all that often (and we will always work on reducing the number of required reboots thanks to the patching of running code). But when you start we want to be as soon as possible.
People say that they would rather quality, because they want their PC to shut down completely "off" so that it uses no power-battery life to retain or to reduce their energy use. Sleep is also a good option for this because it also draw no power, and a lot of people really like it. However, it is clearly not for everyone, since one of the other things we have heard that many people want to turn on their PCs and have a "fresh start" to be rather than performing the stuff from their previous session. Sleep/resume is the best option for a quick on/off transitions on Pcs of today, but it still consumes a force in order to maintain the contents of RAM, causing battery drain – even if it's only a little bit on a good optimized system. This is all done with the background of how we all our mobile phones today, which is almost never to restart them, and always using what feels the closest thing to a sleep-like State.
Our challenge was then, designing a way to meet all of these desires on contemporary PCs without some special new hardware. These were our objectives:
Effectively zero Watts of power when offA fresh session after bootVery fast times between pressing the power button and the PC.In Windows 7 we have made many improvements to the path of startup, including parallel initialization of device drivers, and trigger-start services, but it was clear we should get even more creative (and less incremental) if we hoped to get boot performance anywhere near fast enough to meet all these needs.
Our new mode startup quickly solution is a that is a hybrid of the traditional cold boot and resume from hibernation.
In a traditional shutdown, we close all the user sessions and we close session in the kernel services and devices to prepare for a full shutdown.
Now here the main difference for Windows 8 is: If in Windows 7, we close the user sessions, but instead of the kernel close session, we sleep. In comparison with a full sleep mode, in which a lot of memory pages used by apps, session 0 sleep data is much smaller, which costs significantly less time to write to the disk. If you aren't familiar with Hibernate, we are effectively the system of law and memory content when you save to a file on disk (Hiberfil.sys), and then read that back in and restoring of content back to resume on memory. With this technique with startup gives us a significant advantage for boot time, sleep since reading the file in and reinitializing drivers is much faster on most systems (30-70% faster on most systems that we've tested).
It is faster because the system hibernation resume session is relatively less work than doing a full initialization of the system, but it is also faster because we added a new multi-phase CV power, who has been to use the cores in a multi-core system parallel to the work of the read file and uncompress the sleep split content. For those of you who prefer winter sleep, this also results in faster resumes from hibernation also keep.
Another important thing to note about Windows 8 fast start up mode is that, although we are not a complete "Plug & Play" enumeration of all the drivers do, still we initialize drivers in this mode. Those of you who like cold boat to "freshen up" drivers and devices will be happy to know that is still effective in this new mode, even if not an identical process to a cold boot.
This new mode will deliver benefits quickly startup on almost all systems, whether they have a rotating hard disk or a solid state drive (SSD), but for newer systems with fast SSD's it is downright amazing. Check out the video below to see for yourself:
Of course, there are times where you want to run a full shutdown – for example, if you want to add or change the system of some open hardware. We have an option in the user interface to return back to the Windows 7 shutdown/cold boot behavior, or because that is probably a pretty rare thing, you can use the new/full switch on shutdown.exe. From a cmd prompt, run/s/volledige: shutdown/t 0 to invoke a full immediate exit. Choose to restart in the UI will also do a full shutdown, followed by a cold boot.
If you do not see a video here or cannot play it, download it by using following links:
That is great news. It only took 8 seconds to boot in the video ...
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