China's LineShine Tops TOP500: CPU-Only 2.2 ExaFLOPS with ARMv9 and HBM Memory
LineShine supercomputer achieves 2.198 ExaFLOPS FP64 sustained using 13.79 million ARMv9 cores across 20,480 nodes, making it the first system to exceed 2 ExaFLOPS without GPUs. Each node has dual LX2 CPUs (304 cores) with 32GB HBM, demonstrating a CPU+HBM architecture breakthrough for HPC.