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Date: Wed, 20 Nov 1996 20:12:39 GMT
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<html><head><title>Flux Project Home Page</title></head><body><h1>The Flux Operating System Project</h1><!WA0><a href="http://www.cs.utah.edu/projects/flux/npm-arch.ps"><!WA1><img src="http://www.cs.utah.edu/projects/flux/npm-arch2-flat.gif"></a><br><h2> The Fluke Nested Process Architecture</h2><!-- <!WA2><a href="http://www.cs.utah.edu/projects/flux/pict-2h.ps"><!WA3><img src="http://www.cs.utah.edu/projects/flux/pict-2h-small.gif"></a><br> --><hr>The Flux Project's objectives are(i) to provide infrastructure (the "flux") for highly efficientcomponent-based systems, with flexible degrees of inter-componenttrust, initially oriented to hardware-enforced protection;(ii) to provide transparent and flexible control of all theresources used by arbitrary subsystems; and(iii) to distribute free and usable versions of the developed software.<p>We have recently developed an entirely new kernel and OSstructure on which future work will be based. A new paper,<!WA4><a href = "ftp://mancos.cs.utah.edu/papers/fluke-rvm.ps.gz">"Microkernels Meet Recursive Virtual Machines"</a>describes how this systemefficiently supports recursive virtual machines. That paperas well as a paper on<!WA5><a href = "ftp://mancos.cs.utah.edu/papers/inherit-sched.ps.gz">"CPU Inheritance Scheduling"</a>appeared at<!WA6><A HREF="http://sandbox.xerox.com/osdi-96/">OSDI '96</A>.The draft API for Fluke, the new kernel, is available in<!WA7><a href="http://www.cs.utah.edu/projects/flux/fluke/html/sa-flukeref/">html format</a>,<!WA8><a href="ftp://mancos.cs.utah.edu/papers/sa-flukeref.ps.gz">1-up postscript</a> and<!WA9><a href="ftp://mancos.cs.utah.edu/papers/sa-flukeref.2-up.ps.gz">2-up postscript</a>.Beware: it's currently 110 pages long (but mostly white space).A design and rationale document will be forthcoming later this year.<p>One of the design features which should provide large performance gainsis safely storing portions of normal kernel objects in user space, asoutlined in these <!WA10><a href = "http://www.cs.utah.edu/projects/flux/flobs-wip-slides.ps.gz"> slides from awork-in-progress talk at December '95 SOSP</a>. This avoids kernelentry/exit in many common cases.<p>Artist's renditions ofthe <!WA11><a href = "http://www.cs.utah.edu/projects/flux/npm-arch.ps">Fluke Nested Process Architecture</a>and of the <!WA12><a href = "http://www.cs.utah.edu/projects/flux/conf-flux.ps">Fluke OS providingencapsulated environments for untrusted applications</a>.<p><!-- <!WA13><a href="http://www.cs.utah.edu/projects/flux/details.html#APPROACH">More written details</a>, somewhat dated, are available. --><h2><!WA14><a href="http://www.cs.utah.edu/projects/flux/people.html">Project Members</a></h2><h2><!WA15><a href = "http://www.cs.utah.edu/projects/flux/papers.html">Papers</a></h2><ul><li><!WA16><a href = "http://www.cs.utah.edu/projects/flux/papers.html#OS">Core OS-related papers</a><li><!WA17><a href = "http://www.cs.utah.edu/projects/flux/papers.html#MOD">Module management-related papers</a><li><!WA18><a href = "http://www.cs.utah.edu/projects/flux/papers.html#DSM">DSM-related papers</a></ul><a name = "SOFTWARE"><h2>Available Software</h2></a><ul><li> <b><!WA19><a href = "http://www.cs.utah.edu/projects/flux/oskit/html/">Flux OS Toolkit</a>:</b> a toolkit to provide infrastructure for constructing operating systems.<li> <b><!WA20><a href = "http://www.cs.utah.edu/projects/flux/mach4/html/Mach4-proj.html"> Mach kernel</a>:</b> a major component of the overall project is an improved kernel. <em>Kernel development has moved to Fluke; major work on the Mach kernel has stopped.</em><li> <b><!WA21><a href = "http://www.cs.utah.edu/projects/flux/lites/html/"> Lites Unix server</a>:</b> we distribute a version of the Lites server.<li> <b><!WA22><a href = "http://www.cs.utah.edu/projects/flux/mach4-parisc/html/pamach.html"> PA Mach/Lites/4.4-lite system</a>:</b> a snapshot of freely distributable PA-RISC source and binaries, in the form of a bootable, self-hosting Mach4, Lites, and 4.4-lite system for the hp700.<li> <b><!WA23><a href = "http://www.cs.utah.edu/projects/flux/quarks.html"> Quarks</a>:</b> an Alpha release of a portable and reasonably efficient distributed shared memory system.<li> <b><!WA24><a href = "http://www.cs.utah.edu/projects/flux/moss/"> MOSS</a>:</b> a highly functional DOS extender based on part of the <b>Flux OS toolkit</b>, before it was completely modularized.<li> <b><!WA25><a href = "http://www.cs.utah.edu/projects/mso/goofie/goofie.html"> Goofie</a>:</b> developed by the Mach Shared Objects project, <em>goofie</em> creates portable object descriptions from C++ class declarations. In the future, Goofie may be used by the Flux project to enable system-provided polymorphic functions.<li> <b><!WA26><a href = ftp://jaguar.cs.utah.edu/dist/pagnutools.html> PA-RISC GNU tools</a>:</b> we used to maintain the GNU language tools for HP's PA-RISC architecture, and still provide recent versions, in both source and HP-UX binary forms.</ul><h3><!WA27><a href = http://www.cs.utah.edu/projects/flux/related-utah.html>Related Utah Projects</a></h3><h3><!WA28><a href="http://www.cs.utah.edu/projects/flux/facilities.html">Computing Resources</a></h3><h3>Support</h3>The group's research in operating systems and related language work issponsored by grants from ARPA, NSF, Hewlett-Packard, and IBM.The Center forSoftware Science is a Utah State Center for Excellence.<h3>Job Openings</h3><ul><li> <!WA29><a href = "http://www.cs.utah.edu/projects/flux/jobs-staff.html">Research staff</a>.<li> <!WA30><a href = "http://www.cs.utah.edu/projects/flux/jobs-students.html">Student fellowships and research assistantships</a>.</ul><h3>Directions and Hotel Information</h3><p><!WA31><a href = "http://www.cs.utah.edu/projects/flux/directions.html">Directions</a> from the Salt Lake Airport tothe Computer Science Department at the University, and <!WA32><a href = "http://www.cs.utah.edu/projects/flux/directions.html#hotels">information </a>on Salt Lake Hotels.<p><!WA33><a href = "http://www.cs.utah.edu/projects/flux//">University of Utah Department of Computer Science home page</a><hr><address>lepreau@cs.utah.edu<br>Last modified on Fri Nov 1 1996</address></body></html>⌨️ 快捷键说明
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