🚀 go-pugleaf

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  Some people have commented that it is a sorry state of affairs that things
must reside in the "kernel" to be efficient. Others have made a statement that
"user servers" are the way to go. Well, in the system that I am working on the
only difference between a "kernel" server and a "user" server is that in a 
kernel server no cache or TLB flushing occurs. I can still run the debugger
and test the kernel process, just as I would for a user process. Thus, short
of a hardware performance improvement there is no difference.

  As for why the kernel server runs faster, well it is actually attributed to
two reasons - first, as mentioned no cache or TLB flushing occurs and secondly
the scheduling of "kernel" processes (AKA servers) is realtime, and based on
priority. User processes are scheduled accroding to a timeslicing scheme which
doesn't work well with "server" type things.



                     Chuck Wegrzyn, not a Codex employee.

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