{"schema":"hottub-news/story/v1","story":"st_uwa4ain56xj4y7fyqfvq","title":"Ny IBM-computer har løst opgave på 19 sekunder, som selv verdens vildeste supercomputere ville tage 110 år om","title_en":"New IBM computer has solved a task in 19 seconds, which even the world's fastest supercomputers would take 110 years","outlets":2,"brief":null,"page":"https://hottub.news/stories/ibm-quantum-processor-completes-one-million-samplings-in-19-seconds-uwa4ain56x","count":2,"items":[{"id":"n_5nytoeirrwbs4fnjw6uq","seq":904704,"kind":"article","title":"Ny IBM-computer har løst opgave på 19 sekunder, som selv verdens vildeste supercomputere ville tage 110 år om","title_en":"New IBM computer has solved a task in 19 seconds, which even the world's fastest supercomputers would take 110 years","url":"https://www.computerworld.dk/art/297022/ny-ibm-computer-har-loest-opgave-paa-19-sekunder-som-selv-verdens-vildeste-supercomputere-ville-tage-110-aar-om","summary":"IBM's kvantecomputer har løst opgave på 19 sekunder, som det vil tage en supercomputer 100 år at løse.","published":"2026-09-30T12:09:00Z","seen":"2026-09-30T12:41:55Z","lang":"da","country":"DK","source":{"id":"kite-computerworld-dk-29ed06","name":"computerworld.dk","domain":"computerworld.dk","outlet":{"wikidata":"Q135984628","name":"Computerworld","type":"newspaper","designations":["online newspaper"]}},"via":"kite-computerworld-dk-29ed06","authors":["author"],"entities":[{"id":"Q37156","name":"IBM","type":"org"}],"story":"st_uwa4ain56xj4y7fyqfvq","category":"science-technology","category_p":0.8999999761581421,"sentiment":"positive","tone":0.4300000071525574,"political":0.029999999329447746},{"id":"n_uwa4ain56xj4y7fyqfvq","seq":904320,"kind":"article","title":"IBM 量子处理器仅用 19 秒完成百万次采样，挑战超级计算机 110 年任务","title_en":"IBM quantum processor completes one million samplings in 19 seconds, challenging supercomputer's 110-year task","url":"https://www.ithome.com/1/008/789.htm","summary":"IT之家 9 月 30 日消息，美国 BlueQubit 研究团队利用 IBM 最新的 Nighthawk r2 量子处理器完成了一项随机量子线路采样实验，仅用 19 秒就生成了 100 万个样本。BlueQubit 研究人员估计，用 Frontier 超级计算机复现同等任务约需 110 年。 该实验由美国量子计算软件与云平台公司 BlueQubit 理论凝聚态物理学家 Tigran Sedrakyan 领衔。 Nighthawk r2 是一款拥有 120 个量子比特的超导量子处理器，可通过 IBM 云平台访问。研究团队选取其中 61 个量子比特，运行复杂度逐步增加的随机量子线路，最多执行 40 个周期。最终，他们在 36 个周期、918 个双量子比特门的条件下找到实验所需的平衡点。 在这一配置下，Nighthawk r2 仅用了 19 秒就完成 100 万次采样。这里的关键并不是量子处理器能够快速生成大量 0 和 1，而是这些结果需要符合特定量子线路产生的概率分布，这正是经典计算机难以复现的部分。…","published":"2026-09-30T08:36:06Z","seen":"2026-09-30T12:41:34Z","lang":"zh","country":"CN","source":{"id":"kite-ithome-com-f1cdd0","name":"ithome.com","domain":"ithome.com","outlet":{"wikidata":"Q28413779","name":"IThome","type":"website","country":"CN","designations":["website"]}},"via":"kite-ithome-com-f1cdd0","entities":[{"id":"Q37156","name":"IBM","type":"org"}],"story":"st_uwa4ain56xj4y7fyqfvq","category":"science-technology","category_p":0.9599999785423279,"sentiment":"positive","tone":0.4099999964237213,"political":0.05000000074505806}]}