[COFF] [TUHS] Re: the wheel of reincarnation goes sideways

John Cowan cowan at ccil.org
Thu Mar 9 11:22:39 AEST 2023


On Wed, Mar 8, 2023 at 2:53 PM Dan Cross <crossd at gmail.com> 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=0, but I'm not
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.
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