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IBM Quantum Computer Achieves 110-Year Supercomputer Task in Just 19 Seconds
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Moneycontrol•04-10-2026, 16:23
IBM Quantum Computer Achieves 110-Year Supercomputer Task in Just 19 Seconds
- •IBM's Nighthawk R2 quantum processor completed a complex calculation in 19 seconds, a task estimated to take a supercomputer 110 years.
- •The experiment used random circuit sampling with 61 qubits, generating one million samples to demonstrate quantum advantage.
- •Quantum advantage means quantum computers outperform classical systems on specific computational tasks, not all tasks.
- •Researchers estimated the supercomputer's time using tensor-network contraction, calculating 1.2×10^27 computational operations.
- •While demonstrating significant potential, quantum computers still face challenges in hardware errors, scalability, and practical applications, and this research is not yet peer-reviewed.
Key Questions Answered
IBM's quantum computer completed the complex random circuit sampling calculation in just 19 seconds.
Researchers used IBM's Nighthawk R2 quantum processor, utilizing 61 qubits to generate one million samples.
Reproducing the same calculation on the Frontier supercomputer was estimated to take around 110 years.
