Performance tweaks
Some of the biggest criticisms of Vista relate to performance,and Microsoft appears to have made addressing them a priority.Boot time for a Microsoft-furnished laptop with final code seemed fast.Microsoft is tajing steps to speed up windows 7.First ,windows 7 initializes many services in parallel;and second,it has fewer services to initialize.
Another are microsoft is says it is working on is the way th OS allocates memory to new windows.In Vista,the memory allocated goes up as you add new windows,to the point where the system sometimes shutdowns aero for lack of available memory.In windows 7,esch new windows will be allocated the same amount of memory.In Windows 7,each new window will be allocated the same amount of memory,so adding new windows wont strain system resources as quickly.
Other chages are designed to make the os less crash-prone.Fault-tolerant "heaps," for example,are intendedto address memory management headaches without crashing problem apps;at the same time,process reflection should reduce crashes bye allowing windows to diagnose and(maybe) repair process issues without crashing the appliication involved.MIcrosoft also says its new Os will "sandbox" printer drivers so that glitches stemming from poorly written drivers wont create difficulties either for other drivers or for the system as a whole.
Microsoft is also working on ways to prolong notebook battery life.Examples of such tricks would include enabling laptop to cut back on background activities,to intelligently dim displays(technology simillar to that used in mobile phones),and to play back DVD's more efficiently.
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