Xref: utzoo comp.sys.amiga.misc:2168 comp.sys.amiga.programmer:2055 Newsgroups: comp.sys.amiga.misc,comp.sys.amiga.programmer Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!caen!gilgalad From: gilgalad@caen.engin.umich.edu (Ralph Seguin) Subject: Re: Virtual memory for Amiga! Message-ID: <1991Apr1.000340.1053@engin.umich.edu> Keywords: Virtual memory Sender: news@engin.umich.edu (CAEN Netnews) Organization: University of Michigan Engineering, Ann Arbor References: Date: Mon, 1 Apr 1991 00:03:40 GMT In article sbeagle@kennels.actrix.gen.nz (Sleeping Beagle) writes: >stefanb@kaa.informatik.rwth-aachen.de (Stefan Becker) writes: > >> peterk@cbmger.UUCP (Peter Kittel GERMANY) writes: >> >as FAST RAM. The extremely high data transfer rate of EVOLUTION >> >(beyond 2 MB/s) and most current page exchange algorithms (similar >> >to UNIX) open new possibilities of use. >> >> Virtual RAM? Paging? That does remind me of the 4th grade project of >> Mr. Valentin Pop. (Sorry can't remember your name :-) from C=. >> What was his experience? 98% of the Amiga programs didn't run, because >> they expect REAL memory. What are you talking about? You are accessing real memory, it's just mapped into a virtual address space. All address translations are handled by the MMU. >> Facit: You gain NOTHING. Nice marketing idea, though :-) What? There is a hell of a lot to be gained with virtual memory. Ever hear of a debugging environment where the system doesn't lock itself up when a process does? Segmentation fault... :) >Why shouldn't virtual RAM work on the Amiga? It works on the PC >and Macintosh.... Hmmm... you mean with some sort of virtual memory software of course :) What's the point of having virtual memory under DOS anyways :) ? Ralph Seguin gilgalad@caen.engin.umich.edu 536 South Forest Apt. #915 gilgalad@zip.eecs.umich.edu Ann Arbor, MI 48104 (313) 662-4805