SuperFetch is another mechanism in Vista that reduce the time required to launch popular applications effectively and much faster than they would on Windows XP-based PCs. It analyzes your behaviour and proactively puts application into available main memory, so they can be launch quicker. You may have noticed that a greater percentage of RAM tends to be use by Vista than by XP. At first glance you might worried and get nervous by this, but once you consider the impact of SuperFetch this condition becomes less of a concern.
Background tasks - automatic backup programs, antivirus scans and etc - runs when you are not actively using your computer and it will least disturb you. SuperFetch keeps track of which applications you use most and loads faster than they normally would if the hard disk have to be accessed every time by loading it into the RAM. SuperFetch prioritizes the currently used program over the background task. In addition, SuperFetch adapts to your working environment and the way you work by tracking your frequently use programs and pre-load it into your system.
In a nutshell, SuperFetch is another improvements in Vista from its predecessor XP. Hope this article is useful and informative for you.
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