#ulx3s — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #ulx3s, aggregated by home.social.
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At FCCM 2026 I saw a keynote by Onur Mutlu on abusing DRAM chip timings to have them perform vector (row) copies and even or/and/nand computations on entire rows, 'for free' (happens physically through capacitors charge). And this is on current, off-the-shelves DDR3/DDR4 memory!
Well, I've got a bunch of great FPGA boards featuring good old SDRAM chips and ...
It turns out RowClone is possible on older SDRAM chips!