Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!zaphod.mps.ohio-state.edu!lavaca.uh.edu!uhnix1!nuchat!texhrc!ldm From: ldm@texhrc.UUCP (Lyle Meier) Newsgroups: comp.arch Subject: Re: 64-bit addresses Summary: We need greater that 4 gb of address space today. Message-ID: <391@texhrc.UUCP> Date: 26 Feb 90 18:04:28 GMT References: <9708@spool.cs.wisc.edu> <20270@cfctech.cfc.com> <36080@mips.mips.COM> <36439@mips.mips.COM> Organization: Texaco Houston Res. Cntr Hou, Tx Lines: 9 We have a class of problems that need greater than 4 gb of address space. One such problem is a 1000x1000x1000 wave propagation problem. We would not like to have to write our own paging and swapping code do to this. While currently this is a requirement on mini-supers etc, soon with workstations getting close to that power level, we would like to be able to run the problem on the workstation. A segmented architecture is ok if it doesn't restrict the application program in the size of arrays etc. I.e. the application program should think the address space is flat.