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China unveils GPU-free LineShine supercomputer with 2.45 million domestic CPUcores
China's National Supercomputing Center in Shenzhen has launched the LineShine supercomputer, featuring 2.45 million domestic CPU cores and delivering up to 1.54 exaFLOPS of performance while relying solely on CPUs instead of GPUs. This initiative strengthens China's computing capabilities amid global technology competition.
Key points
- LineShine supercomputer deployed at the National Supercomputing Center in Shenzhen.
- Utilizes 20,480 computing nodes, each with two Armv9-based LX2 processors.
- Total of 40,960 processors and over 2.45 million CPU cores.
- Operates without GPUs, differing from most contemporary supercomputers.
- Achieves a performance capability of up to 1.54 exaFLOPS.
- The high-speed interconnect, Lingqu, supports 1.6 Tb/s bandwidth per node.
Why it matters
- Reflects China's ongoing efforts to enhance its domestic tech capacity in light of global technological competition.
- Aligns with trends in 2025 towards energy-efficient computing systems as industries seek alternatives to GPU-heavy infrastructures.
- Indicates a shift in supercomputing design paradigms, potentially influencing future supercomputer developments and architectures.
The launch of the LineShine supercomputer underscores China's commitment to advancing its tech infrastructure, highlighting a significant shift in supercomputing strategy that may shape future global trends and responses to technological competition.