After the RamDisk is established, TEMP files can be written to it at speeds many times that of writing these same files to a physical hard disk. How much you set aside is shown in the table below. Print Manager can behave strangely when it runs out of temp space. I also realized that I had several aborted file captures when running Mosaic because my 4MB of RamDisk were insufficient. The more RAM memory you have in the system, the less often windows has to swap files to and from your hard disk.
Caches differ from buffers in that the former can be used frequently rather than only once.
So, if you are frequently calling for the same things from Windows, chances are it will be stored in the cache that can then be much more quickly accessed. 128K gains only a few percentage points more. Since this is 20ns memory, it is very expensive. Another form of Windows caching is its use of Swap Files. On a highly fragmented disk, it meant that it could be a very slow process.