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China Just Built a Supercomputer With 47,000 CPUs, All Its Own

China's NSCC Shenzhen unveiled "LineShine," a next-gen supercomputer aiming for 2 exaflops. This fully homegrown system uses Chinese chips, storage, and networking.

Lina Chen
Lina Chen
·2 min read·Shenzhen, China·5 views

Originally reported by Interesting Engineering · Rewritten for clarity and brevity by Brightcast

China just pulled back the curtain on "LineShine," a new supercomputer in Shenzhen that's not just big, it's all China. We're talking chips, storage, networking — every single bit of it. The goal? To eventually hit a mind-boggling 2 exaflops of performance, which, if you're keeping score at home, is a lot of calculations per second. Like, really a lot.

This isn't just about raw power; it's a statement. LineShine was unveiled at a meeting focused on China's domestic computing capabilities, and the message was clear: self-reliance is the name of the game. Lu Yutong, the chief designer, essentially said, "We built this ourselves, from the ground up."

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Right now, the first stage is humming along with 100 Huawei Kunpeng servers and 12,800 CPU cores. But that's just the appetizer. The main course will involve tens of thousands more CPUs, a massive connection system, and enough storage to make your hard drive weep. All of it designed to chew through data like it's going out of style.

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Big Brain, All Chinese

LineShine isn't just for number-crunching; it's a multi-talented machine. It's slated to tackle everything from scientific computing and engineering simulations to the ever-hungry demands of artificial intelligence. Think: figuring out new materials, modeling climate change, and diving deep into life sciences. Basically, if it requires a colossal digital brain, LineShine wants a piece of it.

Technical documents spill the beans on its internals: ARM-based processors, lightning-fast memory, and connections that make your Wi-Fi look like dial-up. The full system will boast 20,480 computing nodes, each packing two ARMv9-based LX2 processors. This setup is specifically engineered for those gargantuan AI training tasks and complex simulations.

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It's a fascinating pivot, too. While many of the world's current top-tier supercomputers lean heavily on GPUs for acceleration, LineShine is going all-in on CPUs. This isn't just a design choice; it's a strategic move to ensure "complete self-reliance and controllability," as Li Xiaoli from the Shenzhen Science and Technology Innovation Bureau put it. In an era of increasing restrictions on advanced chip access, building your own foundational computing infrastructure suddenly looks less like an ambition and more like a necessity.

LineShine is still a work in progress, with no firm completion date. But it certainly signals a long-term play in the global tech arena: high-performance computing, made right at home.

Brightcast Impact Score (BIS)

This article describes the development and deployment of a new supercomputer, LineShine, which represents a significant technological achievement in high-performance computing. The system is designed to support a wide range of scientific and engineering applications, indicating a broad and lasting positive impact. The use of fully homegrown technology also highlights national innovation.

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Sources: Interesting Engineering

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