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pclmulqdq
on May 8, 2024
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Why use ECC? (2015)
On-die ECC is so they can give you a memory array with a few faults. It's a yield enhancement not an introduction of ECC as you think of it.
Adding protocol-level ECC on top only helps, although it is somewhat inefficient.
thfuran
on May 8, 2024
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Similar to SSDs, which are constantly switching to less and less reliable cells for density and now need fault correction built in to function at all.
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Adding protocol-level ECC on top only helps, although it is somewhat inefficient.