Keep Windows operating data in main memory
Windows XP contains several tweakable memory settings in the registry, one of which is the DisablePagingExecutive registry key. This controls whether the operating system will transfer its essential driver and kernel files to the ‘virtual memory’ (the page file on the hard disk). It defaults to allowing this.
Obviously, transferring portions of the system to hard drive memory can considerably slow things down, and it appears that Windows XP does this periodically, whether or not the system is actually low on physical memory (RAM).
If you have 256MB of system memory or more, try this registry tweak to force Windows to keep its operating data in main memory: (more…)
drive memory, hkey local machine, main memory, memory management, memory ram, memory settings, open regedit, physical memory, registry tweak, system memory, virtual memory, Windows, windows xp, xp
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#1. July 4th, 2009, at 8:55 AM.
If you have a reasonable amount of memory this tweak will do essentially nothing. This setting effects only a small portion of the kernel, known as the executive. By default Windows is able to page this out if necessary, but it will only do this under heavy memory pressure. When this occurs it is usually best to allow Windows to make it’s own decisions. As for the statement that Windows does this periodically - how could anyone possibly know this. There is nothing in Task Manager or Performance Monitor that will tell you this. This is nothing more than a quess, based on a faulty understanding of how things work.
This setting was of some value on Windows98 and older systems. On modern systems it is of no real interest except for a few very unusual situations.
Larry Miller
Microsoft MCSA