Ofurtölva Google, getur framkvćmt útreikninga á ţremur mínútum og 20 sekúndum sem myndi taka fullkomnastu ofurtölvu dagsins, ţekkt sem Summit, 10.000 ár. Skammtatölvur vinna gögn samhliđa en hefđbundnar vélar verđa ađ vinna í röđ

Hér ćtla ég til gamans ađ segja ađ nútölvur vinni í línu, ţessi nýa í fleti, tvívídd eđa rúmmi, ţrívídd.jg

Ofurtölva Google, getađ framkvćmt útreikninga á ţremur mínútum og 20 sekúndum sem myndi taka fullkomnasta ofurtölvu dagsins, ţekkt sem Summit, 10.000 ár - skammtatölvur geta unniđ mikiđ magn gagna samhliđa en hefđbundnar vélar verđa ađ vinna í röđ

Computing

Sep 20

Google researchers have reportedly achieved “quantum supremacy”

https://www.technologyreview.com/f/614416/google-researchers-have-reportedly-achieved-quantum-supremacy/

endursagt

…. Samkvćmt skýrslu Financial Times sagđi blađiđ ađ örgjgjörvi Google hafi getađ framkvćmt útreikninga á ţremur mínútum og 20 sekúndum sem myndi taka fullkomnasta ofurtölvu dagsins, ţekkt sem Summit, í um 10.000 ár. ….

…. Skammta vélar eru svo öflugar vegna ţess ađ ţćr beisla skammtabita, eđa qubits. Ólíkt klassískum bitum, sem tákna annađ hvort 1 eđa 0, geta kvissar veriđ í eins konar samsetningu beggja á sama tíma. Ţökk sé öđrum skammtafrćđilegum fyrirbćrum, sem lýst er í útskýringunni okkar hér, geta skammtatölvur mariđ mikiđ magn gagna samhliđa ţví ađ hefđbundnar vélar verđa ađ vinna í röđ. ….

….Why NASA? Google struck an agreement last year to use supercomputers available to NASA as benchmarks for its supremacy experiments. According to the Financial Times report, the paper said that Google’s quantum processor was able to perform a calculation in three minutes and 20 seconds that would take today’s most advanced supercomputer, known as Summit, around 10,000 years. In the paper, the researchers said that, to their knowledge, the experiment “marks the first computation that can only be performed on a quantum processor.”

Quantum speed-up: Quantum machines are so powerful because they harness quantum bits, or qubits. Unlike classical bits, which represent either a 1 or a 0, qubits can be in a kind of combination of both at the same time. Thanks to other quantum phenomena, which are described in our explainer here, quantum computers can crunch large amounts of data in parallel that conventional machines have to work through sequentially. Scientists have been working for years to demonstrate that the machines can definitively outperform conventional ones. …

Egilsstađir, 03.10.2019  Jónas Gunnlaugsson


Bloggfćrslur 3. október 2019

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