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Article #623606Re: The birth of BASIC
From: JimP
Date: Tue, 05 Jun 2018 19:26
Date: Tue, 05 Jun 2018 19:26
38 lines
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3382 bytes
On Tue, 5 Jun 2018 12:02:25 -0400, Peter Flass <peter...@yahoo.com> wrote: >Quadibloc <jsa...@ecn.ab.ca> wrote: >> On Monday, June 4, 2018 at 11:28:18 AM UTC-6, Quadibloc wrote: >>> On Monday, June 4, 2018 at 11:12:41 AM UTC-6, Alan Bowler wrote: >>>> On 2018-06-02 7:23 AM, Gareth's Downstairs Computer wrote: >>>>> On 02/06/2018 03:44, John Levine wrote: >> >>>>>> Dartmouth's compiler was quite impressive, >>>>>> typically compiling an entire program in one or >>>>>> two clock ticks. It was so fast that nobody >>>>>> bothered to save object code. >> >>>> Since the 635 and several generations of successors >>>> were asynchronous machines I'm not clear what is >>>> meant by "clock tick" >> >>> I don't think any compiler, no matter how impresive, could compile a program of >>> any length in two processor clock cycles. >> >>> Compiling one in *two seconds* of wall-clock time, however, is perfectly >>> possible, and it would have been impressive on a computer made from discrete >>> transistors. >> >>> So I think the problem is that he meant a completely different kind of "clock >>> tick" from the kind you were thinking of that the GE 635 didn't have. >> >> Or it could have even been able to compile a program in 1/30 of a second, not >> just two seconds - which would be two 1/60 second "ticks" of the computer's >> real-time clock... at least, many mainframes of that era synchronized their real >> time clock to the mains frequency. >> >> Oops, the AC power frequency. If they called it _that_, it would be 1/50 second. > ><g> Or 1/60 or 1/400.
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X-Received: by 2002:adf:fec9:: with SMTP id q9-v6mr1060872wrs.30.1528226818066; Tue, 05 Jun 2018 12:26:58 -0700 (PDT) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 2002:a1c:7202:: with SMTP id n2-v6ls806993wmc.10.canary-gmail; Tue, 05 Jun 2018 12:26:57 -0700 (PDT) X-Received: by 2002:a1c:9e45:: with SMTP id h66-v6mr56504wme.24.1528226817160; Tue, 05 Jun 2018 12:26:57 -0700 (PDT) Path: mbox-mo1.pugleaf.net!d26-v6ni6865wmb.0!nntp.google.com!proxad.net!feeder1-2.proxad.net!feeder.erje.net!2.eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed9.news.xs4all.nl!85.12.16.68.MISMATCH!peer01.ams1!peer.ams1.xlned.com!news.xlned.com!peer01.am4!peer.am4.highwinds-media.com!peer02.iad!feed-me.highwinds-media.com!news.highwinds-media.com!spln!extra.newsguy.com!newsp.newsguy.com!news2 From: JimP <solo...@gmail.com> Newsgroups: alt.folklore.computers Subject: Re: The birth of BASIC Date: Tue, 05 Jun 2018 14:26:49 -0500 Organization: NewsGuy.com Lines: 38 Message-ID: <dvodhdpu4ltruu3bojhru6f55hqdpqqg8q@4ax.com> References: <874lisvjda.fsf@usenet.ankman.de> <439a1044-9919-4234-ad93-d8741b1bd71c@googlegroups.com> <pescmn$m7o$1@dont-email.me> <cb11f87e-44a9-4f0b-b4b3-998177600274@googlegroups.com> <pet0ag$174f$1@gal.iecc.com> <petuom$iln$1@dont-email.me> <pf3ru7$ct1$1@dont-email.me> <0ccc0e69-2ccc-4566-9d87-985ee301dba9@googlegroups.com> <cf74400f-2703-41ba-acaf-929add8fb2ac@googlegroups.com> <769993864.549906088.722776.peter_flass-yahoo.com@news.eternal-september.org> NNTP-Posting-Host: pc94aa749aaddb5a8ee11c21d26eb849005b453d42f87a43c.newsdawg.com Mime-Version: 1.0 User-Agent: ForteAgent/8.00.32.1272 X-Received-Bytes: 2720 X-Received-Body-CRC: 854191945 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit