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IBM now describing its first error-resistant quantum compute system | Company is moving past focus on qubits, shifting to functional compute units
Company is moving past focus on qubits, shifting to functional compute units.
"We're updating [our roadmap] now with a series of deliverables that are very precise," IBM VP Jay Gambetta told Ars, "because we feel that we've now answered basically all the science questions associated with error correction and it's becoming more of a path towards an engineering problem." This has worked well to keep the error rate of its hardware down, but it also poses a challenge, since IBM has decided to go with an error-correction code that's incompatible with the heavy hex geometry. A couple of years back, an IBM team described a compact error correction code called a low-density parity check (LDPC).
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