IBM is building a large-scale quantum computer that 'would require the memory of more than a quindecillion of the world's most powerful supercomputers' to simulate

IBM Quantum Starling and the roadmap to 2033.

IBM has shared its roadmap to deliver the “world's first large-scale, fault-tolerant quantum computer.” It claims that, due to be delivered to clients in 2029, IBM Starling will also be 20,000 times more powerful than today’s leading quantum computers. Furthermore, IBM says that to merely represent the computational state of Starling “would require the memory of more than a quindecillion (10⁴⁸) of the world's most powerful supercomputers.” However, we are used to rather lofty claims in the world of Quantum Computing, so let’s take a closer look.