arl@cs.hut.fi (Ari Lemmke) (02/20/91)
>gillies@m.cs.uiuc.edu (Don Gillies) writes: > I bet a 64-bit address space will take a fusion reactor > power plant to supply enough energy..... Depends how big (how much energy) is your plant going to be ... >baum@Apple.COM (Allen J. Baum) writes: > Remember when computers of the future would take all the power > of Niagra Falls to operate? I think that would not be enough ... >jerry@TALOS.UUCP (Jerry Gitomer) writes: > They do, but collectively rather than individually ;-) For 64 bits full of byte-addressable memory (_if_ 1MB takes 1W) you would need about 17000 pieces 1000MWh (average (?) size here in Finland) nuclear power plants. Of course, if we could use disks instead of memory, usage would be 20W / 1GB est. ... but if you start all the drives at the same time .... ;-) arl
joel@cfctech.cfc.com (Joel Lessenberry) (02/26/91)
In article <1991Feb25.125144.22392@linus.mitre.org> jfjr@mbunix.mitre.org (Freedman) writes: >In article <HwiRX2w163w@zl2tnm.gp.co.nz> don@zl2tnm.gp.co.nz (Don Stokes) writes: > Isn't there an HP architecture existing already that has 64 bits. >I'll check my class notes.... > The IBM AS/400 implements a 64 bit virtual adderess, mapped to a 48 bit physical address Joel Lessenberry, Distributed Systems | +1 313 948 3342 joel@cfctech.UUCP | Chrysler Financial Corp. joel%cfctech.uucp@mailgw.cc.umich.edu | MIS, Technical Services {sharkey|mailrus}!cfctech!joel | 2777 Franklin, Sfld, MI kk