SD is obviously the wrong interface for this but "High Bandwidth Flash" (stacked flash akin to HBM) is in development for exactly this kind of problem. AMD actually made a GPU with onboard flash maybe a decade ago but I think it was a bit early. Today I would love to have a pool of 50GB/s storage attached to the GPU.
replyFirst gen HBF is targeting something like 1.2 TB/s!
replyOh definitely. The AMD past product just stuck 4x m.2 slots onto the board. Today that approach would be 50-60 GB/s read speed which would be useful enough for something that any of the vendors could build with existing components.
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