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To: shahn who wrote (5101)9/22/1997 4:50:00 PM
From: X-Ray Man   of 213173
 
I think you indirectly refer to the solution of the conundrum in
your question, Shahn. It is the much greater efficiency of the
Mach kernel for handling things like virtual memory allocation and
management, file architecture, etc., that can make it possible for
a "heavy weight" OS to outperform a "light-weight" OS. Usually,
advanced features on the so-called smaller OS demand more resources
because they have been added on to an OS model that was not optimized
for these features. If you stripped out virtual memory and multi-
tasking and threads and such from MacOS and Win95, they would likely
run much faster, but that is not the case now. Also, for MacOS
versus Rhapsody, the MacOS still has some emulated code and the file
system is inefficient for large disks.
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