drkohler on 18 November 2012
| HappySqurriel said: Edit: essentially, by caching data in edram rather than grabbing it from main memory, Nintendo could be eliminating 50% to 95% of the data transfer across the memory bus making the difference between a $4 memory module and a $400 memory module meaningless. |
Dude, the eDram is a FRAME BUFFER, not a cache. The CPU probably doesn't even see it....
And no, when three processors (CPU, GPU and DSP) fight for ram over a single 64bit bus, then there is bus contention issus, all the time.
