Google’s quantum supremacy debunked?

“As explained by Science, to replicate the performance of Sycamore, the scientists first had to reconfigure the problem as a 3D mathematical array called a tensor network. This meant they could use the system’s GPUs to perform calculations in parallel.

The low level of accuracy of Sycamore’s computation gave the Chinese team additional room for manoeuvre. By minimizing the accuracy target, they were able to accelerate the calculation by hundreds of times, replicating the same level of performance the quantum machine had achieved.”

https://www.techradar.com/news/scientists-say-theyve-debunked-googles-quantum-supremacy-claims-once-and-for-all

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