Fujitsu calls its quantum device a quantum-inspired Digital Annealer. It is classical hardware emulating systems. They are trying to solve a complex combinatorial optimization problem currently unsolvable by conventional computers in practical timeframe.
Fujitsu’s research scientists are leveraging quantum algorithms on digital circuit-based architecture. Inspired by the quantum phenomena within silicon architectures, they have used conventional semiconductor technology to develop the quantum-inspired Digital Annealer.
I’d like to be very clear: this is not a quantum computer. It is built on classical hardware technology inspired by quantum phenomena to solve combinatorial optimization problems quickly, without the added costs and complexities that are typically associated with quantum computing.
The Digital Annealer with 8192 qubits allows you to simultaneously test 20,000 combinations and provide solutions up to 17,000 times faster than the best possible alternative computational methods. That’s today. Fujitsu’s roadmap for Digital Annealer takes us this year to what we call ‘DAU2’, which is expected to have 100 times higher performance than DAU1.
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2 thoughts on “Fujitsu Using Classical Hardware to Run Quantum Algorithms”
“Compared with other superconducting quantum chips in the world, our chip has a remarkable feature, that is, all bits can be interconnected, which can improve the efficiency of quantum chips, and is one of the important reasons why we can take the lead in achieving 20-bit entanglement.” Xu Kai(Institute of Physics, Chinese Academy of Sciences) concluded. 2019-8-15
Interesting achievement. I kind of wonder whether the “issues” with high q-bit (thousands to millions of dual entangled, but otherwise not interacting) computers aren’t limiting them to about the same … or slower … speed as the now-hugely-GPU outfitted supercomputers coming online.
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