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Date:      Sat, 4 Sep 2004 14:01:09 -0700
From:      "Paul Smith" <stork@QNET.COM>
To:        <freebsd-arch@freebsd.org>
Subject:   Microkernel Performance:  FreeBSD versus Darwin
Message-ID:  <200409042056.i84Kudsk021327@cello.qnet.com>

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Theoretically the microkernel of Darwin should create overheads harming the
performance.  Has anybody seen an actual study comparing the performance of
Darwin and FreeBSD?

DEC's Tru64UNIX used a microkernel, but the Alpha hardware was so superior
for its time that any loss of performance could have gone unnoticed.
Similarly Tera runs on supercomputers that can absorb a little extra
overhead.

Does anybody know of any serious benefit arising from the microkernel?  Or
is Darwin simply Steve Jobs' passion to bring back NeXT?

Paul Smith
semenbank@yahoo.com


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