[Arm-netbook] Microarchitecture by Osmosis

Luke Kenneth Casson Leighton lkcl at lkcl.net
Sat Feb 9 22:23:34 GMT 2019

On Sat, Feb 9, 2019 at 8:37 PM David Niklas <doark at mail.com> wrote:

> Is the CDC 6600 and it's successors an open source CPU? The way luke talks
> about the CDC 6600, it is totally available for inspection,

 yes it is.  look for the book, online, "Design of a Computer", by
James Thornton.

> I often think that we lost a lot of genius due to the closed source
> nature of modern processors.

 pretty much an entire generation, yes.

> Concerning luke's need to drive 128 gates from 1. You could probably
> operate more gates at once if you used a MOSFET instead of a normal
> transistor for your driving gate (I have no idea if or how that would
> work in silicon though).

 it means custom design, it means making the driver larger, and the
larger driver means a slower response.  whatever you do, it'll be


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