"would take the world's most powerful supercomputer, El Capitan in the United States, a mind-boggling more than 10^42 years to finish" [10^42]
The 10^42-year figure against El Capitan directly quantifies the performance discontinuity between photonic quantum and best-in-class classical computing, supporting the claim that classical computational assumptions are structurally undermined.
Reasoning from this article
The article presents a single benchmark result, but the structural implication is general: once quantum advantage reaches this magnitude on even narrow task classes, the security and simulation models built on classical intractability assumptions require reassessment. This dynamic is not China-specific — Google's Sycamore and IBM's roadmap follow the same trajectory — but China's photonic approach via Jiuzhang represents a distinct architectural path that is now peer-reviewed and published, raising the credibility of the claim beyond lab announcements.