[Libre-soc-bugs] [Bug 589] NLnet top-level gigabit crypto router 2021-02-052

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=589

--- Comment #21 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Luke Kenneth Casson Leighton from comment #20)

> Are you sure you want to position it this way, as AVX-512 has been pulled
> off the market for undisclosed reasons - but to some linked to patent issues
> Intel ran into?
> 
> Best regards,
> Michiel Leenaars

i do not know where the statement comes from, and as a research project
patents do not enter into the picture: it will be a commercial decision
which is out of scope for Libre-SOC.

however

1. it is extremely unlikely that Simple-V will run into issues,
   as it is a new design concept that abstracts Prefix from Suffix.

2. patents may be on *hardware* only - not on APIs. and SV is an *API*
   that does not specify or restrict or curtail how hardware implements it.

Suffix *individual instructions* may happen to have hardware implementations
that are patentable material: it is a simple job to avoid those.

Prefix *looping* may be implemented any which way the implementor chooses.
if there is a patent on one method of implementation, implementors choose
a different method to avoid that hardware patent.

none of which is down to the specification (as an API designed under
Research Grants, not commercial objectives)

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