cpu-speed limitations

[Andy Green]

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Somebody in the thread at some point said:

| sluggish and should be adequate given the task at hand. What is the deal
| with Glamo? Do we have - or will we ever have - meaningful graphics
| acceleration for the Freerunner, given that this Glamo appears to be
| handicapped by a bus that is not only slow to start with, but also shared?

We didn't get to the end of meddling with the Glamo yet, but what we got
is what we got so far.  The biggest handicap by far for that chip is we
can't share the documentation.

If we could, I bet there are people who would jump in and do stuff like
use one of the OpenRisc CPUs that are on the die to do all kinds of
effects in local Glamo memory.  There is quite a bit of firepower in
there we don't have resources to get working internally that can help
hide the weakness of the external bus interface.

- -Andy
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