From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 2116 invoked from network); 9 Mar 2023 01:22:59 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 9 Mar 2023 01:22:59 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 83147412E6; Thu, 9 Mar 2023 11:22:57 +1000 (AEST) Received: from mail-ua1-x930.google.com (mail-ua1-x930.google.com [IPv6:2607:f8b0:4864:20::930]) by minnie.tuhs.org (Postfix) with ESMTPS id 47EDB412E5 for ; Thu, 9 Mar 2023 11:22:51 +1000 (AEST) Received: by mail-ua1-x930.google.com with SMTP id bx14so159057uab.0 for ; Wed, 08 Mar 2023 17:22:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccil-org.20210112.gappssmtp.com; s=20210112; t=1678324970; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=L6UcXbOea42mWJnLNwB0l82JA3acSphpzSVzPsSBLa4=; b=Gl2bDWqtV3SvaZPLPulHx8dNr96onjufnGOEUFu/cvizIKaTwhPNymtBdRQLFCSfyJ ea1dmf5vI6XnjhXBPpvwvXPMaGl5rU67vqrapf2trYI3cEOI3bNHFH6vWnKCyps32HJ6 LKqbPJxrTZTLPlGrJs/71+1AezbU++nSRa5aD/tCNzlajWnoqqaRH4b6PWR+uq+HsgYu PMqoUZKUlMl77Y5Bzjud7mxv0TIVItc7/2AHm+6xFdjdMjgu/KdiLe/EOyuwMDkxTDsh F84fToENp4KdOUVt7iDgXyfx0I1H9C2iUOhuToDTHCzSXHlZ8VYEI58/MoLf4Qcz8SIh 2goQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678324970; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=L6UcXbOea42mWJnLNwB0l82JA3acSphpzSVzPsSBLa4=; b=6pxP47IkW3TCvs88gTqsSUJY0SM2saF0L7LChsyv3ow3Q2hc4dqwHLNOQ8tnU5fkEl Qi3yruKqm+RsR1Ib1htOpUF8ieI+UwKpvS6jnDGQTVhzZWn7evGu1bion8ooiaDsAGh4 z7Ge8jE+/OwYQPsH1hZ0imJvp8DXAiuMBY2CcVHPAPgKo4evXMOBi/0KJ4K1cvw7N4eS 4b9FozT2j8753mS2cbWo7F4l4A9FJEOPm5QOeXoCmSYpDQMU1haGR1UNhaxE6l5sNE26 reD2d3MwJRF5+Py/uH1DWtKKhvLo0kkqUdgxY5LjFRiMkm8UTQbqJBHDPPHbe5teLjvX RfLQ== X-Gm-Message-State: AO0yUKUFD/GI4PQFebCNuJ00/RP+jiL95TnsOzEYkc3LiOTNPB/GYvdh hpHChjrmWNnB/SgvKt9a7fUXleWaqGSdU9PFpudNfg== X-Google-Smtp-Source: AK7set+CJoDKW8mFIQ6xJAaR2x4mbqqOP+xspG7OOsLpps+gAv3UKZH5TvDjzz2Qq8dT5/WdbunpIDXTBrapJJYiC1w= X-Received: by 2002:a9f:3102:0:b0:6cd:2038:4911 with SMTP id m2-20020a9f3102000000b006cd20384911mr13668701uab.1.1678324970048; Wed, 08 Mar 2023 17:22:50 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: John Cowan Date: Wed, 8 Mar 2023 20:22:39 -0500 Message-ID: To: Dan Cross Content-Type: multipart/alternative; boundary="000000000000a8614c05f66d7ba0" Message-ID-Hash: W4SMUU6G7PXIBIHIPGFT5RURMMPFEPXB X-Message-ID-Hash: W4SMUU6G7PXIBIHIPGFT5RURMMPFEPXB X-MailFrom: cowan@ccil.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: ron minnich , COFF X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [COFF] Re: [TUHS] Re: the wheel of reincarnation goes sideways List-Id: Computer Old Farts Forum Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --000000000000a8614c05f66d7ba0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Mar 8, 2023 at 2:53=E2=80=AFPM Dan Cross wrote: > > Now I'm seeing it in peripheral devices that have, not one, but several > independent SoCs, all running Linux, on one card. There's even been a > recent remote code exploit on, ... an LCD panel. > I remember at one time I had on my desk a PC with an 80x86 CPU and an Ethernet card that had an 80(x+1)86 chip inside. I think x=3D0, but I'm no= t sure. > But the > 3090 was really more like a distributed system than the Athlon box > was, with all sorts of offload capabilities. For that matter, a > thousand users probably _could_ telnet into the Athlon system. With > telnet in line mode, it'd probably even be decently responsive. > I find that difficult to believe. It seems too high by an order of magnitude. Another thing that doesn't get mentioned much is that classic mainframes had SRAM, so their memory bandwidth was enormous. --000000000000a8614c05f66d7ba0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On We= d, Mar 8, 2023 at 2:53=E2=80=AFPM Dan Cross <crossd@gmail.com> wrote:
=C2=A0
> Now I'm seeing it in peripheral devices that have, not one, but se= veral independent SoCs, all running Linux, on one card. There's even be= en a recent remote code exploit on, ... an LCD panel.
=
I remember at one time I had on my desk= a PC with an 80x86 CPU and an Ethernet card that had an 80(x+1)86 chip ins= ide.=C2=A0 I think x=3D0, but I'm not sure.
= =C2=A0
But th= e
3090 was really more like a distributed system than the Athlon box
was, with all sorts of offload capabilities. For that matter, a
thousand users probably _could_ telnet into the Athlon system. With
telnet in line mode, it'd probably even be decently responsive.

I find that difficult to = believe.=C2=A0 It seems too high by an order of magnitude.=C2=A0 Another th= ing that doesn't get mentioned much is that classic mainframes had SRAM= , so their memory bandwidth was enormous.
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