Boot Up Time on Windows 8 Computers with SSD Under 10 Seconds

Submitted by lalit on September 11, 2011 - 11:19am.

One of the main new features of the upcoming Windows 8 operating system will be its 30-70% faster boot up time. Microsoft says, “Few operations in Windows are as scrutinized, measured, and picked apart as boot. This is understandable—boot times represent an effective proxy for overall system performance.” To improve boot up time Microsoft devised a completely new solution called Fast Startup Mode, which combines traditional cold boot and resume from hibernate.

In current Windows 7 OS all of the user sessions and kernel sessions (including services and devices) are closed for a shutdown. But in Windows 8 only the user sessions are closed, while the kernel sessions hibernate during shutdown. And then this hibernated kernel sessions are used for boot up. Using this technique with boot gives a significant advantage for boot times, since reading the hiberfile in and reinitializing drivers is much faster on most systems (30-70% faster on most systems we’ve tested).

According to Microsoft, it’s faster because resuming the hibernated system session is comparatively less work than doing a full system initialization, but it’s also faster because we added a new multi-phase resume capability, which is able to use all of the cores in a multi-core system in parallel, to split the work of reading from the hiberfile and decompressing the contents. For those of you who prefer hibernating, this also results in faster resumes from hibernate as well.

As you can see in the graph above most PCs show at least 30% faster boot times with some even achieving 70% improvement. This new Fast Startup Mode will improve boot times on both spinning hard drive and solid state drive (SSD) systems, but systems with SSDs will see the most improvement in boot-up time, as you can see in the video below, laptop with SSD boots up in less than 10 seconds. You can get more information about the new Fast Startup Mode on Windows 8 blog.