[Libre-soc-dev] All div pipe tests pass

Cole Poirier colepoirier at gmail.com
Fri Oct 9 19:04:35 BST 2020

On Fri, Oct 9, 2020 at 10:50 AM Luke Kenneth Casson Leighton
<lkcl at lkcl.net> wrote:

> story i told last week.  and the week before.  and several times on
> openhdl-cores.  "correct" spec behaviour but not "exactly like 360"
> required amdahl to patch the OS to provide EXACT and SPEC-VIOLATING
> binary-compatible behaviour due to customers complaining and refusing
> to recompile existing software that they had already added
> "workarounds" into when running on IBM 360 mainframes.
> lesson of story that absolutely has to be hammered home even to OPF:
> the "top dog" (IBM POWER9/10) is the de-facto absolute definer of the
> spec, *not* the spec.

Ohhhh yes I remember very clearly, I thought the name of that company
was Amtel not Ahmdahl, so thus thought it had something to do with
Ahmdahl's Law. Thanks.


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