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I read that as implying that the SSD is part of the standard memory hierarchy, byte-addressable and not requiring a filesystem. No need to load assets: just cre
by mikeash 7y ago
I read that as implying that the SSD is part of the standard memory hierarchy, byte-addressable and not requiring a filesystem. No need to load assets: just create pointers into the SSD's address space. Sort of a modern version of the ROM on an NES cartridge.
I could, of course, be way off.
- wmf 7y agoThat's very unlikely and probably a bad idea anyway since NAND latency is too high.
- kmad 7y agoSounds like a perfect application for Micron/Intel's (yet to be widely commercialized) 3D XPoint[1] :) Although I find it highly unlikely a new Xbox would be the place to debut the technology. Regardless, claimed latency is between DRAM and NAND, so I wonder if it would be performant enough for a gaming use case. To mikeash's point, 3D XPoint is byte-addressable, so perhaps it's possible... [1] https://www.micron.com/products/advanced-solutions/3d-xpoint-technology https://www.micron.com/products/advanced-solutions/3d-xpoint...
- wmf 7y ago3D XPoint would cost more than the price of an Xbox.
- opencl 7y ago3D Xpoint has been commercially available for years under the Optane brand name. It's much more expensive than NAND (16 and 32GB NVMe drives available for ~$2/GB) but a smallish amount in the Xbox acting as some sort of cache seems at least semi-plausible and would fit with the "next generation SSD" and "virtual RAM" statements.
- jabart 7y agoI believe IO Fusion drives (PCI-Express) had a linux driver that allowed this.