Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!husc6!encore!calliope
From: kirschen@calliope (David Kirschen)
Newsgroups: comp.os.mach
Subject: Re: Mach for Sun & Encore
Keywords: Sun,Encore
Message-ID: <9948@multimax.Encore.COM>
Date: 18 Sep 89 13:23:06 GMT
References: <24927@pprg.unm.edu>
Sender: news@Encore.COM
Organization: Encore Computer Corp
Lines: 28
In-reply-to: cyrus@pprg.unm.edu (Tait Cyrus)


	Encore makes available an implementation of Mach Version 2.0
for the Encore Multimax multiprocessor.  It runs on both the 32332-
and 32532-based systems.  Encore's work with Mach was done as part of
a larger DARPA research project to build a 1000 MIPS supercomputer.
It is available for a charge of $1000.

	Mach for the Multimax is available only through Encore, not
directly from CMU.  The primary difference between Version 2.0 from
CMU and the Encore implementation is significant additional
parallelization of the filesystem and network code in the kernel for
improved performance on a multiprocessor.  This work will be described
in detail in a paper to be presented at the Usenix Workshop on
Building Distributed and Multiprocessor Systems next month in Ft.
Lauderdale, FL.

	As it is based on Mach Version 2.0, the current Encore
implementation does not include NFS.  The next release will be
available in Q1 90 and is based on Version 2.5, which does include
NFS.

	Hope this helps.  Feel free to mail any additional questions,
and if there is enough interest I'll post the questions and answers
here.

-David Kirschen
 Software Program Manager
 Encore Computer Corporation