Timothy Normand Miller wrote:
On 4/20/07, Raphaël Jacquot <[EMAIL PROTECTED]> wrote:
how about using something like this then, wich allows to have a powerpc
405 core plus your own stuff next to it ?
http://www.xilinx.com/products/silicon_solutions/fpgas/virtex/virtex_ii_pro_fpgas/capabilities/index.htm
As far as I know, this is within the realm of reasonable. You and the
other CPU enthusiasts need to come to an agreement on some things and
also make an assessment of the relative complexities of things.
http://www-306.ibm.com/chips/techlib/techlib.nsf/techdocs/3D7489A3704570C0872571DD0065934E/$file/PPC405_Product_Overview_20060902.pdf
This has a 16 x16 integer MAC which I don't think is enough power.
IIUC, you would need a 600e core which has AltiVec. I think that this
might be too expensive, but the idea was that we needed the SIMD
floating point unit.
If you hit us with a design that's too difficult or complicated, we
won't be able to do it. Consider expense too, of both prototypes and
production.
This design should be simple as far as the board is concerned.
It is unfortunate that the current licensing for cores is a one time
payment. I would think that they could get a design patent on the core
and then charge a royalty per chip sold.
--
JRT
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