[Arm-netbook] Any ARM SoC has Open-Source access to hardware video decoder ?

[Jacky Lau]

Do icube tech open the ISA of MVP?

2012/7/2 lkcl luke <luke.leighton at gmail.com>:
> On Sun, Jul 1, 2012 at 5:46 PM, Mark Wilczynski
> <mark_wilczynski at hotmail.com> wrote:
>>> From: al4321 at gmail.com
>>
>>> How much the ICube's IC1 costs ?
>>>
>>> Also one of the BIG problems, at least initially, is that it uses MVP
>>> architecture, which would require maintaining a full linux distro for
>>> it (Debian?).
>>> Is anyone learning this opportunity ?
>>> Are there weak points in this design ?
>>>
>>
>> I find it hard to believe that a software based GPU/VPU will offer
>> competitive performance vs. fixed function hardware rasterizers, samplers,
>> and decoders.  It has been tried before and failed.  Unless their
>> instruction set is radically different from MMX, SSE, NEON, etc.
>
>  it's radically different from MMX, SSE and NEON.  a hardware engineer
> (icobecorp's chief hardware engineer) who used to work for ATI would
> not bother wasting his time nor be part of a team that managed to get
> significant venture capital unless he actually had a clue.
>
>  translation: several hundred instructions have been added to the UPU.
>  possibly as many as 2,000.
>
>  but that's not the end of the story: we know full well that such
> advanced instructions are utterly useless unless they are deeply
> embedded into the compiler toolchain in an easy-to-use manner that
> boils down at its crudest to "just hit compile".  that's why they have
> a compiler expert on board with at least 20 years experience in
> compiler technology.
>
>  oh: i just remembered one weak point of their design (which points to
> a long - and protracted - development cycle): it's 32-bit.  i believe
> they *may* be working on 64-bit addressing for IC2.
>
>  l.
>
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