On Wed, Dec 21, 2005 at 12:29:33PM -0500, David Eisner wrote: > But I > get the impression efficient message passing is harder than people > realized.
This is my understanding as well. Not only that, but it makes hardware data caching schemes more annoying, which can be a big performance hit. When you muck with the locality of the code, bad things happen to your performance. > Are there any widely used operating systems today in which > the filesystem, I/O, and memory management do not run in the same > address space as the rest of the kernel? Not to the best of my knowlegde. - Rob .
