RIKEN's ROQUO Links Quantum Hardware to 540 GPUs
RIKEN’s Center for Computational Science says it has brought ROQUO online in Kobe under Japan’s JHPC-quantum project, linking 540 NVIDIA Blackwell GPUs (135 GB200 NVL4 compute nodes with 270 Grace CPUs) to quantum hardware. The quantum back end includes Quantinuum’s trapped-ion system Reimei and an IBM Quantum System Two (ibm_kobe). RIKEN cites 19.80 petaflops double-precision performance.



