Path: ...!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Richard Heathfield Newsgroups: comp.theory Subject: Re: How do computations actually work? Date: Thu, 29 May 2025 17:41:26 +0100 Organization: Fix this later Lines: 17 Message-ID: <101a2nm$3v0mf$2@dont-email.me> References: <100l75g$2vpq3$1@dont-email.me> <100l887$2ul3i$2@dont-email.me> <100l9gh$30aak$1@dont-email.me> <100lc4o$30pgm$1@dont-email.me> <100ld1u$312c9$1@dont-email.me> <100lg4g$31jt3$1@dont-email.me> <100lkdv$32ib3$1@dont-email.me> <100lmif$32v06$1@dont-email.me> <100lmp3$32ven$1@dont-email.me> <100m319$38k55$2@dont-email.me> <87jz69xlpx.fsf@nosuchdomain.example.com> <100mder$39slu$2@dont-email.me> <100oipb$3oge1$1@dont-email.me> <100onkd$3t5cb$1@dont-email.me> <100p6vj$3vlgq$1@dont-email.me> <100q6b1$5buc$2@dont-email.me> <100rtvq$ji9l$1@dont-email.me> <100sod2$p071$6@dont-email.me> <100umo8$1a058$1@dont-email.me> <100vaoj$1d5lg$9@dont-email.me> <100ve0m$1e53o$1@dont-email.me> <10125hp$22da5$18@dont-email.me> <1013t5k$2hgid$1@dont-email.me> <1014mdi$2lsi8$8@dont-email.me> <1016ee6$352ij$1@dont-email.me> <10176n6$39etk$1@dont-email.me> <1017n8e$3cgvm$5@dont-email.me> <1017pn9$3dn9t$1@dont-email.me> <1019ud1$3trm3$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 29 May 2025 18:41:27 +0200 (CEST) Injection-Info: dont-email.me; posting-host="b460fc7b74503cbb8966d520c678c9ad"; logging-data="4162255"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19TLV0nP5fBr1faF2v9v6yj7Pz22P20rl/EYGwvuGliKg==" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:nM8lNeLcJq3QK6JgoLVkfEd9tg8= In-Reply-To: <1019ud1$3trm3$1@dont-email.me> Content-Language: en-GB Bytes: 2683 On 29/05/2025 16:27, Fred. Zwarts wrote: > The actual input is halting, the non-halting input is only in > your dreams. There is no need to halt artificially a halting program. Doesn't that rather depend on how long it will take to halt? After all, your user wants a report, and he might not have all day. If it hasn't stopped after a few dozen instructions, it's probably safe to assume it won't halt. After all, it's probably not testing the Goldbach Conjecture. Most programs don't. -- Richard Heathfield Email: rjh at cpax dot org dot uk "Usenet is a strange place" - dmr 29 July 1999 Sig line 4 vacant - apply within