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Huawei’s supercomputer breaks the world record and wins two championships



International Supercomputing Conference (ISC21) recently released the latest IO500 ranking. In this list, the “Peng Cheng Cloud Brain II” supercomputer of Ascend AI’s basic software and hardware broke the world record and won two world championships for the system-wide input and output and the 10-node scale system.

The system-wide input and output performance score is nearly 20 times higher than the one in second place.

Peng Cheng Cloud Brain II is jointly built by Huawei and Peng Cheng Laboratory (PCL). This supercomputer helps in research and exploration in the AI field, such as computer vision, natural language, autonomous driving, smart transportation, and smart healthcare.

The Peng Cheng Cloud Brain has Huawei Atlas 900 AI cluster, powered by the Huawei Kunpeng and Ascend processors. Atlas 900 infuses robust computing power into Cloud Brain II. PCL develops Cloud Brain technologies at 1000 PFLOPS.

The Atlas 900 AI cluster has inherited Huawei’s technology know-how for over a decade. Composed of thousands of Ascend 910 AI processors, Atlas 900 completes training of a ResNet image classification model in 59.8s, 10 seconds faster than the previous world record at the same precision.

The powerful computing capability of Atlas 900 delivers a difference in scientific research and technology innovation, such as astronomical exploration, weather forecasting, autonomous driving, and oil exploration.


Most of Deng Li's smartphones are from the Huawei ecosystem and his first Huawei phone was Ascend Mate 2 (4G). As a tech enthusiast, he keeps exploring new technologies and inspects them closely. Apart from the technology world, he takes care of his garden.