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The shortage of Compact Mode is that it costs minor performance of data access.
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However with Compact Mode, this issue will not happen.
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Ramdisk manager windows#
For instance, without Compact Mode, it will cause almost all claimed memory to be allocated immediately in Windows Vista or Windows 7, if you do following operations: right-click the ramdisk drive in "My Computer" and then select "Properties" in the popped-up menu. Compact ModeĬompact Mode provides better memory management algorithm by re-organizing data layout to make each memory block fully utilized before requesting a new one. Now we delete this 2 GB file and wait about 30 seconds, we'll find that the available memory amount return to 4 GB. In Windows 7, Windows Server 2008 R2 or newer Windows OS, if a ram disk is formatted with NTFS file system, Primo Ramdisk is able to release the memory to system after the files are deleted. So you'll see the available memory amount reduces to about 2 GB. Primo Ramdisk will request memory to hold the arrived file. Next, we copy a file of 2 GB size to the ram disk. Check the available physical memory amount again, and you'll find that it is still about 4 GB which means that almost no memory is allocated out. Now we remove this ram disk and create a new ram disk of the same disk size WITH Dynamic Memory Management. The available memory amount immediately reduces to about 1 GB which means that 3 GB memory is allocated out for this ram disk. To make a comparison, at first we create a ram disk of 3000 MB size WITHOUT Dynamic Memory Management feature. In this example, current available physical memory amount is about 4 GB. The following figures demonstrate how Dynamic Memory Management works.įirst let's check the available memory amount via Windows Task Manager before creating a ram disk. This feature makes you switch between these two scenarios conveniently. For example, at some time you may use a ram disk for files downloading from Internet, and later you may need large amounts of memory to run a game. This feature is useful when you don’t want a ram disk to always occupy the system memory.
Ramdisk manager windows 7#
In Windows 7 or newer Windows OS, if a virtual disk is formatted with NTFS file system, this feature is also able to release the corresponding memory when a file is deleted. Later it will automatically request memory allocations when current allocated memory amount is not enough for the new added data. If this feature is enabled, only a minimum amount of memory, instead of full-scale memory amount requested, is allocated at the time of initial creation. The Dynamic Memory Management (DMM) feature provides an advanced method to utilize physical memory while emulating a hard disk.