Boot Times in Windows 8 Detailed

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Whether or not you agree, boot times is a critical component that represents how well an Operating System was build and performed. Windows 7 has made many improvements to shorten the time spent on the start-up but how well it performs in Windows 8?

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Wow, that’s a lot faster. So, what’s the secrete?

Our solution is a new fast startup mode which is a hybrid of traditional cold boot and resuming from hibernate.

The key difference here comparing to Windows 7 is that it hibernates the kernel session ,instead of closing it, in session 0 mode that takes substantially less time to write to disk. Using this technique with boot gives us a significant advantage for boot times, since reading the hiberfile in and reinitializing drivers is much faster on most systems. On top of that, Windows 8 also added a new multi-phase resume capability, which is able to use all of the cores ina multi-core system in parallel to split the work of reading from the hiberfile and decompressing the contents.

Also note that:

  • While this fast startup mode doesn’t do a full plug & play enumeration of all drivers, it still does initialize drives that fresh up the devices.
  • The new fast startup mode will benefits on almost systems, including the newer systems with SSDs.
  • full shutdown followed by a cold boot is still available in Windows 8.

Take look at it in action:


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