RAM disk vs paging + buffer cache

[Daniel M. Frank]

In article <381 at nitrex.UUCP> rbl at nitrex.UUCP ( Dr. Robin Lake ) writes:
>
>Note:  if a device driver is required, much of the inherent speed advantage
>is lost.  Drivers consume milliseconds per access, not very noticible when
>disk latency is tens to hundreds of milliseconds.  When RAM is accessed,
>rotational and seek latency go away and the driver delays are very noticable.

   Ok, I give up.  Did you hack the file system or buffer cache code to
access the RAM directly?  If not, how did you avoid using device drivers?


------

      Dan Frank

	  Q: What's the difference between an Apple MacIntosh
	     and an Etch-A-Sketch?

	  A: You don't have to shake the Mac to clear the screen.