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curl-6 on 28 March 2015
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Materia-Blade said:
curl-6 said:

eDRAM is more about compensating for RAM latency and bandwidth, not size. The idea is it's this small bank of super-fast memory that you use for tasks where main RAM is too slow. But that's the thing, it's small. It makes up just 3% of Wii U's total memory.

Downscaling can be a difficult process; not only do you have to reduce certain assets while maintaining acceptable fidelity, you often have to entirely rework in-game systems, like streaming higher resolution assets from the disc, which raises problems like disc access speed and optical drive bandwidth. You may have to partition levels that were originally seamless into chunks that load and unload separately to remain within RAM parameters.

you're saying 32mb of edram is low? you realize it isn't like ram memory, wich is in the thousands of megabytes, right?

downscalling would be a difficult process if there too much difference in horsepower and engines weren't made to be scalable.

It's not low for what it is, no. As eDRAM for a system of Wii U's calibre, it's comfortably sized. But eDRAM by it's very nature is a small chunk of fast memory used for fast-access tasks, it compensates for RAM speed, not RAM size. And crunching a game's memory footprint to 1/5th it's original size can be very difficult.