How many qubits are needed for quantum computational supremacy? · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/1805.05224/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTHow many qubits are needed for quantum computational supremacy? — mentioned by The_rationalisthttps://news.ycombinator.com/item?id=21006925urn:hackerpapers:mention:1805.05224:21006925Wed, 18 Sep 2019 16:20:11 GMT<p>It should be at least more like 10000 according to this paper https://arxiv.org/abs/1805.05224 But this is in an utopian world where we neglect quantum error correction and stability and the fact that quantum computers are mostly non programmable (there&#x27;s not even one qubit logic gate..) TLDR quantum computing is going nowhere (excluding the low probability of a breakthrough in the field)</p><p><a href="https://hackerpaper.kaipfister.de/p/1805.05224/">Paper and discussion history</a>. A mention is not an endorsement.</p>quant-ph