Le 2012-12-09 00:13, Ing. Daniel Rozsnyó a écrit :
I can not keep with your plans up. Does any of you have $1G+ on your
account to run such a project?
Currently, you can get a well documented CPU (let's stay at ARM),
even with several cores, there are no hidden things and you can
create
the ultimate compiler for it. There is no need to have an opensource
cpu - nobody can benefit from having the possibility to improve on
it.
I'm glad you don't need an open CPU.
But following your logic, there is no need of an open GPU either.
If Intel would hypotetically release its "sources" for their CPUs -
can you manage to make improvements on it and release you own flavor
if their cores? Potentionally not.
believe it or not, even Intel uses 3rd party cores : an ARC (and not
ARM)
core is used and tuned to sit idle in the northbridge (and open
invisible
ports in your network but i'll leave the security aspect aside).
This means that whenever you stray away a little from the
mainstream/standard,
like you don't depend on legacy code, customisation is the king and
you'll
adapt and tune whatever you can.
CPU's are today not a secret thing, the manufacturer wants you to use
it to the last feature. So it is a waste of effort today to replace
it.
Tell this to the many providers of configurable cores :-)
Yet I agree that there is no secret to CPU, or GPU :
it requires tons of work to make them work well.
What I would suggest, is to recreate just those peripherals which got
the most issues with the opensource world (graphics, audio, hardware
codecs, etc), then focus on the ones which got severe marketing
limitations (e.g. professional audio - 192k/24 is not sold for the
adequate price of the components, being those the best they can be,
there is always some 10x multiplier in price, same goes for
consumer-broadcast video).
so you're also in the cost-cutting mindset, which is a totally
different
issue. Cost is usually reduced whenever there is a standard, an
interface.
But for audio, as long as you have SPDIF in and out (or ADAT, or...)
click-free, you're done.
Once you own the whole peripheral business, you can replace the
processor too.
so let's see if a virtualised shader can be
successfully developped in an open source environment :-)
regards,
Daniel
yg
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