16 Jun
2005
16 Jun
'05
9:06 a.m.
>>>> "Andy" == Andy Holt
<andyh at andyh-rayleigh.freeserve.co.uk> writes:
> Gate count is not the issue. Routing is. The
6600 has an amazing
> design...
Andy> Indeed ... weren't the 10 PPUs multiplexed through one
Andy> arithmetic unit - a FPGA implementation would almost certainly
Andy> find it simpler to have 10 non-multiplexed identical units
Andy> (would up the gate count but simplify almost everything else).
Actually, that's unlikely to simplify matters, since it introduces
concurrency problems that don't exist in the real system. Two PPUs
cannot do things "at the same time" in the real hardware...
paul