Tweaking Windows core performance by editing registry key called DisablePagingExecutive only if
- plenty of memory installed, e.g. 1 GB RAM or more
- most of the memory being unused or idle on most of the time (wasting resource!), and
- Windows 2000 and above (Windows XP, Windows 2003) is running.
HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
The initial setup of Windows XP default DisablePagingExecutive value to zero. Setting this value to 1 to enable Windows core to fully utilize the huge memory installed. Tweaking this registry key benefits driver debugging too as all of the code and data are always memory resident. It also improves Windows system core performance by preventing high frequency of disk read in order to get code and data out from hard disk to memory for processing!
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