Article View: comp.arch
Article #12610Re: 64-bit chips, 32-bit compatibility?
From: Anders Sundqvist
Date: Thu, 05 Oct 1995 18:36
Date: Thu, 05 Oct 1995 18:36
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1253 bytes
While we are at it, how much *IS* a 128 bit wide byte address? - 2^128 is approximately 10^38 bytes or 10^39 bits - 1 gram of hydrogen contain approx 10^23 hydrogen atoms - with one bit per atom, we get roughly 10^(39-23)=10^16 grams of hydrogen for the total 2^128 bytes. - this equals 10^13 kg, 10^10 metric tons, 10^4 Megatons 10 Gigatons... That seems to me like a large amount of hydrogen... Anders PS. I hope I got my calculations right, if not PLEASE correct me! -- *** I may be wrong, but so what! (The Opinions expressed herein are strictly my own and noone elses)
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Path: arc1-ca.pugleaf.net!soo.mts.dec.com!Anders.Sundqvist From: Anders.Sundqvist@soo.mts.dec.com (Anders Sundqvist) Newsgroups: comp.arch,comp.lang.c Subject: Re: 64-bit chips, 32-bit compatibility? Date: 5 Oct 1995 18:36:20 GMT Organization: Digital Equipment Distribution: world Message-ID: <4518j4$b95@nntpd.lkg.dec.com> References: <43srit$94b@hermes.synopsys.com> <43tada$8i6@rbdc.rbdc.com> <jgkDFG9HJ.49x@netcom.com> <44boso$ies@dg-rtp.dg.com> <44d1n3$6tn@murrow.corp.sgi.com> <44gsu7$re4@sernews.raleigh.ibm.com> Reply-To: Anders.Sundqvist@soo.mts.dec.com (Anders Sundqvist) NNTP-Posting-Host: nidal.soo.dec.com X-Newsreader: mxrn 6.18-32