Quantum Brilliance and Oak Ridge Ran Fragment-Based Quantum Chemistry Across Three Room-Temperature Diamond QPUs, arXiv 6 October 2026: 93.6 Percent Parallel Efficiency on Helium Clusters, TRL 3

On October 6, 2026 Quantum Brilliance and Oak Ridge National Laboratory posted a paper that splits a molecular energy calculation into fragments and runs them in parallel on the three room-temperature diamond quantum processors of the Quoll cluster at the Oak Ridge Leadership Computing Facility. On helium clusters of up to fourteen atoms, shared-shot sampling across all three processors reached 93.6 percent parallel efficiency with every energy inside chemical accuracy, while independent fragment execution reached 75 percent, rising to 95 percent once scheduler idle time is removed. We read it as a dual-use materials and energetics simulation capability at TRL 3: the 98-kilogram, 400-watt rack-mounted form factor is the defense-relevant part, and two qubits per processor, shot rates of three to ten per second and a helium testbed still stand between the paper and a propellant molecule.