On May 27, 2012, at 1:22 AM, Alasdair Lumsden wrote:
> On 27 May 2012, at 04:49, Jerry Kemp wrote:
>
>> I double checked my calendar, and it wasn't 1 April. :)
>>
>> AFAIK, SPARC is the most open CPU available.
>
> Oracle haven't released any specs or source for T3 or T4.
>
> Therefore, AFAIK, SPARC /was/ the most open CPU available.
The T3 and T4 are *implementations* of the SPARC architecture. The SPARC
architecture itself is open. Unfortunately, you may need implementation
specific details to use specific implementations. (Such as the T3 and T4.)
>
> Without future developments being put out into the open, it's unfortunately a
> dead end.
That's only true if nobody else is producing SPARC chips. I'm not sure if that
is true or not. For a long time Fujitsu was doing SPARC hardware. I know
there were some small companies doing "hardened" SPARCs for space applications,
etc. I don't know if any of them are still around.
- Garrett
>
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