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From: Ted Dennison<dennison@telepath.com>
Subject: Re: Ada OS Kernel features
Date: Thu, 06 Sep 2001 14:05:14 GMT
Date: 2001-09-06T14:05:14+00:00	[thread overview]
Message-ID: <uoLl7.6481$4z.25044@www.newsranger.com> (raw)
In-Reply-To: 9n76r2$nkl$1@slb4.atl.mindspring.net

In article <9n76r2$nkl$1@slb4.atl.mindspring.net>, Brian Catlin says...
>
>Yes, I just looked at RT-Mach (Real-Time Mach), and it is quite impressive - as
>far as microkernels go.  The big problem with microkernels is that you have to
>use RPC to communicate between services, which is much more expensive than a
>simple CALL in a monolithic kernel.

From what I read, Mach supposedly tried to solve that by recognising when one
can be transformed into the other. But that recognition code takes CPU cycles
too...

---
T.E.D.    homepage   - http://www.telepath.com/dennison/Ted/TED.html
          home email - mailto:dennison@telepath.com



  reply	other threads:[~2001-09-06 14:05 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-05  5:58 Ada OS Kernel features Brian Catlin
2001-09-05 10:15 ` Jacob Sparre Andersen
2001-09-05 11:16 ` Larry Kilgallen
2001-09-05 17:06   ` Brian Catlin
2001-09-06 14:35     ` Marin David Condic
2001-09-07  9:31       ` Tarjei T. Jensen
2001-09-05 17:55   ` David Starner
2001-09-05 18:42     ` Darren New
2001-09-12  6:47   ` Mats Karlssohn
2001-09-05 14:04 ` Ted Dennison
2001-09-05 17:23   ` Brian Catlin
2001-09-05 20:17     ` Ted Dennison
2001-09-05 21:10       ` Brian Catlin
2001-09-06  6:45         ` Tarjei T. Jensen
2001-09-06  6:56           ` Brian Catlin
2001-09-06 14:05             ` Ted Dennison [this message]
2001-09-05 16:02 ` Alfred Hilscher
2001-09-05 16:19   ` Jacob Sparre Andersen
2001-09-05 17:58     ` Brian Catlin
2001-09-05 17:44   ` Brian Catlin
2001-09-05 17:58     ` Darren New
2001-09-05 18:51     ` Larry Kilgallen
2001-09-05 19:25     ` chris.danx
2001-09-05 20:07       ` Darren New
2001-09-05 20:14       ` Larry Kilgallen
2001-09-06 13:45         ` Alfred Hilscher
2001-09-06 18:06         ` chris.danx
2001-09-06 19:41           ` Larry Kilgallen
2001-09-06 22:32             ` chris.danx
2001-09-07 11:04               ` Larry Kilgallen
2001-09-07  8:04           ` Dmitry Kazakov
2001-09-07  8:18             ` Mattias Svensson
2001-09-07 12:40               ` Dmitry Kazakov
2001-09-12  7:12               ` Mats Karlssohn
2001-09-05 20:18       ` Brian Catlin
2001-09-06  6:48         ` Ole-Hjalmar Kristensen
2001-09-06  6:59           ` Brian Catlin
2001-09-10  7:32             ` Ole-Hjalmar Kristensen
2001-09-06 13:42     ` Alfred Hilscher
2001-09-07  8:13       ` Dmitry Kazakov
2001-09-08  3:55     ` Kenneth Almquist
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