On 10/5/05, Luke Kenneth Casson Leighton <[email protected]> wrote:
>
> where it all goes a bit pearshaped with that chicken-and-egg vicious
> cycle is if the bottom drops out of 65nm and 45nm processes, such that
> _even_ the top uniprocessor mass-market chip manufacturers are forced
> down a parallel processing line.
>
> my point is: we're starting to see evidence of that happening
> (small-scale, 2-cores, 2-hyperthreads, talk of 4-cores, etc.
> even the X-Box 360 PPC 3x2)
>
> _therefore_, i invite people who do linux kernel development
> to think ahead - to take a _lead_ for once instead of waiting
> for hardware to drop into their laps, at which point it is once
> again too late, the hardware design decisions will have
> already been made by someone else, and you will be treated
> like second class citizens. again.
With all due respect (and I do believe some is due); your comment
above makes no sense. Operating system designers design software to
operate on existing systems -- often doing as much as possible to
ensure that the design supports lots of different systems. However, _a
neccessary prerequisite_ for that activity is "hardware dropping into
their laps." You warn that "the hardware design decisions will have
already been made by someone else;" but that is the order in which it
_neccessarily_ works! What hardware designer out there spends his day
looking around for as-yet-unused (and hence untested) operating
systems that run on some hypothetical yet-to-be-designed hardware and
say to themselves, "ah, that looks nice -- I think I can design some
hardware that will run that software _really well_?"
Your argument defies logic, and it's that fact -- not your intentions
-- that makes this thread so tiresome.
Dave
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