科技新聞 - 陸製76光量子電腦"九章"計算能力比2019 年Google發表的"懸鈴木"量子電腦快上百億倍－TS的野獸派部落格

美國"科學"論文期刊連結:

Quantum computational advantage using photons

大陸團隊製造的76個光子的量子電腦原型機「九章」問世，表示計算能力較谷歌此前發表的「懸鈴木」量子電腦還快100億倍。新華社稱，這確立大陸量子計算優越性里程碑。

新華社報導，中國科學技術大學潘建偉、陸朝陽等與中科院上海微系統所、國家並行計算機工程技術研究中心合作，構建了量子電腦原型機「九章」，實現具有實用前景的高斯玻色子取樣快速求解。根據現有理論，「九章」處理高斯玻色子取樣的速度較目前最快的超級電腦「富岳」還快100兆倍，等效速度比2019年谷歌發佈的53個超導比特量子電腦「懸鈴木」快100億倍。

潘建偉指出，在摩爾定律逼近極限的時代，在人們對算力需求指數級增長的時代，量子計算機必然會成為世界前沿的兵家必爭之地。但未來的路還很長，無論是「懸鈴木」還是「九章」，都只能用來解決單一特定問題。

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外電報導: https://equalocean.com/briefing/20201204230006093

Chinese scientists announced on the 4th that a prototype of 76 photons (qubits) has been built. In terms of speed, it only takes 200 seconds to solve the mathematical algorithm Gaussian boson sampling, while the current supercomputer takes 600 million years. It is generally believed that 50 qubits are the key threshold for quantum computers to surpass traditional computers. "Nine chapters" is named after a famous mathematical monograph in ancient China.

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https://www.scientificamerican.com/article/light-based-quantum-computer-exceeds-fastest-classical-supercomputers/

Light-based Quantum Computer Exceeds Fastest Classical Supercomputers

For the first time, a quantum computer made from photons—particles of light—has outperformed even the fastest classical supercomputers.

Physicists led by Chao-Yang Lu and Jian-Wei Pan of the University of Science and Technology of China (USTC) in Shanghai performed a technique called Gaussian boson sampling with their quantum computer, named Jiŭzhāng. The result, reported in the journal Science, was 76 detected photons—far above and beyond the previous record of five detected photons and the capabilities of classical supercomputers.

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東森新聞: https://www.ettoday.net/news/20201204/1869173.htm

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