[Libre-soc-bugs] [Bug 523] demo program needed showing register dependencies

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=523

--- Comment #25 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #22)

> Once it is more complete, it should be possible to rapidly modify it to test
> different algorithms.

implication being that the complexity goes up as a result (adding "maintenance
burden" to a list of tasks that we should never have had in the first place).

rather than being able to switch mental context to a different algorithm we
become burdened with maintenance of the older algorithms, some of which we may
have abandoned.

whereas short and compact *separate* throwaway programs are so short that
duplication is perfectly acceptable; alterations do not affect the copy; if we
decide to revisit an old abandoned algorithm we continue where it left off,
confident that it has not been destroyed by newer ones.

code-reuse techniques are appropriate when there is an intention to maintain
the code.  we have no intention of maintaining this code or using it beyond the
immediate exploratory purpose.  its sole purpose is to capture an algorithm
(saving time by not having to hand-draw 4 hour tables), and, once we have the
insights we need, forgetting about them.

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