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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Terje Mathisen <terje.mathisen@tmsw.no> Newsgroups: comp.arch Subject: Re: What is an N-bit machine? Date: Mon, 2 Dec 2024 09:48:47 +0100 Organization: A noiseless patient Spider Lines: 28 Message-ID: <vijs9g$37f9e$1@dont-email.me> References: <memo.20241128153105.12904U@jgd.cix.co.uk> <20241128185548.000031c9@yahoo.com> <vidtpt$pon$1@gal.iecc.com> <vieben$3lh9n$1@dont-email.me> <vifpn1$1fja$1@gal.iecc.com> <6d465123692bdef4f43de8013a0562e4@www.novabbs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 02 Dec 2024 09:48:49 +0100 (CET) Injection-Info: dont-email.me; posting-host="ec1e3c72521eea61a176117fa629a5ce"; logging-data="3390766"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/l4ZgaKpxBRM39TAIEy8ydZSofgtmo0Hls49F3qVIokQ==" User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 SeaMonkey/2.53.19 Cancel-Lock: sha1:1yK2NTWJ57+gpKagzAcg6rHshao= In-Reply-To: <6d465123692bdef4f43de8013a0562e4@www.novabbs.org> Bytes: 2341 MitchAlsup1 wrote: > On Sat, 30 Nov 2024 19:40:17 +0000, John Levine wrote: > >> I get the impression that we will have 32 bit architectures for a very >> long time, since they are smaller and cheaper to implement than 64 bit >> and for a lot of embedded applications they are more than adequate. >> Examples are ARM Cortex-R4 and -R5, high performance 32 bit realtime >> chips. > > Still one hardly needs more than a Z80 to run a toaster, microwave, > stove, > oven, faucet, door lock, refrigerator, ... {{Or basically everything > nobody > ever thought would have/need a computer inside of them}} They are still going to end up with a 32-bit CPU in future products! Both because that's needed to support a full development environment/ arbitrary languages and because the cost is becoming mostly trivial: When every single flash/thumb drive has contained a full 32-bit CPU for more than 5 years now, the cost has to be in the cents range. Terje -- - <Terje.Mathisen at tmsw.no> "almost all programming can be viewed as an exercise in caching"