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Article #12458Re: Def of a workstation (a lark)
From: Jon Mellott
Date: Thu, 07 Jan 1993 14:35
Date: Thu, 07 Jan 1993 14:35
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In article <C0GJzC.GFJ@metaflow.com>, rschnapp@metaflow.com (Russ Schnapp) writes: |> In article <1993Jan6.165640.2894@lsl.co.uk>, snail@lsl.co.uk writes: |> |> On a workstation, software does not worry about how much memory it has; just |> |> page it out to disk. Microsoft windows can release memory and re-read it from |> |> the disk, but it can't page memory *out* to the disk (not unless it changed |> |> recently). |> |> Not terribly recently -- Windows 3.1 has fully virtual memory in |> "enhanced mode". (For some reason, they limit virtual memory to twice |> the size of physical memory.) I believe that 3.1 has been out for a |> year or so. Well, actually, Windows v3.0 has paged virtual memory in "386 enhanced mode". The "discardable segment" scheme of memory management where program and static resource segments are discarded to free memory and later re-read was there for 286 and lower machines. Jon Mellott High Speed Digital Architecture Laboratory University of Florida (jon@alpha.ee.ufl.edu)
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Newsgroups: comp.arch Path: arc1-ca.pugleaf.net!sparky!uunet!caen!spool.mu.edu!eng.ufl.edu!jon From: jon@theta.ee.ufl.edu (Jon Mellott) Subject: Re: Def of a workstation (a lark) Message-ID: <1993Jan7.143557.27636@eng.ufl.edu> Originator: jon@theta.ee.ufl.edu Sender: news@eng.ufl.edu (Usenet Diskhog System) Organization: EE Dept at UF References: <1993Jan3.052930.27869@wam.umd.edu> <1993Jan3.235327.13718@qb.rhein-main.de> <1993Jan6.165640.2894@lsl.co.uk> <C0GJzC.GFJ@metaflow.com> Date: Thu, 7 Jan 93 14:35:57 GMT Lines: 22