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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro <ldo@nz.invalid> Newsgroups: comp.arch Subject: Re: Chipsandcheese article on the CDC6600 Date: Wed, 24 Jul 2024 00:17:37 -0000 (UTC) Organization: A noiseless patient Spider Lines: 14 Message-ID: <v7ph70$1dsq8$6@dont-email.me> References: <v7fss8$3f712$1@dont-email.me> <v7fuqu$3fg81$2@dont-email.me> <2k3q9j1lqngjsfmts49q6l3825nipf91rq@4ax.com> <v7k0gm$8pms$13@dont-email.me> <a11cff7fe912529a0a7962163afe43d8@www.novabbs.org> <v7k7ok$a7tn$5@dont-email.me> <lg6gtgFlcf1U1@mid.individual.net> <20240722130827.00004fea@yahoo.com> <2024Jul22.145235@mips.complang.tuwien.ac.at> <CCunO.76231$oGQf.17922@fx10.iad> <v7n2pg$t929$7@dont-email.me> <p6OnO.164803$SLqf.57968@fx15.iad> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 24 Jul 2024 02:17:37 +0200 (CEST) Injection-Info: dont-email.me; posting-host="c8cda285a8465d3c50906243df493072"; logging-data="1504072"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+cmWT1m0wHgkk99R/RUEfX" User-Agent: Pan/0.158 (Avdiivka; ) Cancel-Lock: sha1:8c1koBaWvJg8LiXdQrO3KziWZEA= Bytes: 1863 On Tue, 23 Jul 2024 13:20:21 GMT, Scott Lurndal wrote: > Lawrence D'Oliveiro <ldo@nz.invalid> writes: >>On Mon, 22 Jul 2024 15:09:22 GMT, Scott Lurndal wrote: >> >>> Basically, the hardware would modify the branch opcode in memory after >>> every branch to track the last two taken/not-taken states. >> >>Did the Burroughs share code between processes/threads? > > Large systems (B6500 descendents) was multithreaded from the start. Not quite what I asked. I was wondering how those code patches would impact on shared code.