AI News 09月19日
华为发布新一代昇腾芯片,引领算力新纪元
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华为在上海的Connect 2025大会上公布了其下一代昇腾芯片线的路线图。公司宣布了三款新的昇腾芯片系列:950、960和970。昇腾950系列将支持FP8和MXFP8等低精度数据格式,并提供显著提升的互联带宽。昇腾960和970将进一步提升计算能力、内存容量和互联带宽,其中970系列目标是实现4TB/s的互联带宽和8 PFLOPs的FP4算力。华为还推出了基于昇腾950DT芯片的Atlas 950 SuperPoD,并声称其在NPU数量和处理能力上远超竞争对手NVIDIA的同类产品。此外,华为还发布了基于鲲鹏950处理器的通用计算芯片和TaiShan 950 SuperPod,并宣布将开放UnifiedBus 2.0互联协议,以构建更强大的SuperClusters。

🚀 **新一代昇腾芯片发布与性能飞跃**:华为发布了昇腾950、960、970系列芯片,标志着其在AI计算领域的重要进展。昇腾950系列在低精度数据格式(如FP8和MXFP8)上提供了显著的性能提升,其PFLOPs算力和互联带宽均大幅增加,为AI训练和推理奠定了更坚实的基础。960和970系列将在此基础上进一步扩展,特别是970系列,其目标是达到4TB/s的互联带宽和8 PFLOPs的FP4算力,展现了华为对未来高性能计算需求的雄心。

💡 **SuperPoD与SuperCluster构建超大规模算力集群**:华为正通过其SuperPod和SuperCluster战略,整合大量NPU资源,以满足当前和未来的海量算力需求。Atlas 950 SuperPoD基于昇腾950DT芯片,华为声称其在NPU数量和处理能力上远超竞争对手的同类产品,预示着其在AI基础设施建设上的强大竞争力。而Atlas 950 SuperCluster更是通过UnifiedBus 2.0互联技术,实现了比业界领先集群更高的NPU数量和计算能力。

🌐 **开放UnifiedBus 2.0协议,促进生态协同**:为推动AI计算生态的繁荣,华为宣布将UnifiedBus 2.0互联技术作为开放协议发布给开发者社区。这一举措不仅将用于其内部的SuperPods和SuperClusters,还旨在连接和扩展这些集群,形成更大的SuperClusters。开放的互联协议将加速不同硬件和软件的集成,降低开发门槛,吸引更多合作伙伴共同构建更强大的AI基础设施。

⚙️ **鲲鹏950通用计算芯片与TaiShan 950 SuperPod**:除了专注于AI计算的昇腾系列,华为还推出了面向通用计算的鲲鹏950处理器,提供多核心和多线程选项,并配备了基于此的TaiShan 950 SuperPod。这表明华为正致力于提供全方位的计算解决方案,不仅满足AI的特定需求,也覆盖了更广泛的计算场景,展现了其在芯片设计和系统集成方面的全面实力。

Chinese technology giant Huawei announced its plans for the next generations of its Ascend chip line at the Huawei Connect 2025 event in Shanghai this week.

In his keynote to the conference, deputy chair of the Huawei board, Eric Xu, said that 2025 had been a “memorable year,” and noted the debut of DeepSeek-R1 in January as a turning point for the company. He also acknowledged that China is likely to lag behind in semiconductor manufacturing process nodes, “for a relatively long time.”

The company’s response to tariffs and trade embargoes is to advance infrastructure design and technology, plus it’s made the decision to open-source several large swathes of its software, including the openPangu foundation AI models and the Mind series SDKs.

The new Ascends

The company plans to produces three new series of the Ascend chip, the 950, 960, and 970.

The Ascend 950PR and 950TO will be cast from the same die, and provide additional support for low-precision data formats, including FP8 – where the 950 will deliver a PFLOP of performance, and MXFP8, rated at two PFLOPs. A PFLOP is one thousand trillion flotaing point calculations per second.

There’ll also be better vector processing, and more granular memory access, down to 128 byte chunks from 512 bytes.

The Ascend 950 chips will offer 2 TB/s interconnect bandwidth, 2.5x more than the current Ascend 910C. The 950PR will be available Q1 2026, and the Ascend 950DT launches Q4 2026.

Available a year later in Q4 2027, the Ascend 960 will have twice the computing power, memory access bandwidth, memory capacity, and number of interconnect ports as the 950. It will support Huawei’s proprietary HiF4 data format, which, the company claims, brings greater precision than other FP4 technologies.

The most capable chip will be the Ascend 970, slated for release Q4 2028. Xu said, “We’re still working on some of its specs, but our general goal is to push all of its specs much higher.” He said it was expected that the Ascend 970 series will offer an interconnect bandwidth of 4TB/s, be capable of 8 PFLOPs of FP4, and will come with larger memory capacity.

SuperPods of NPUs

Huawei’s strategy is to offer hyperscalers clusters of raw compute in the form of SuperPoDs, which will appear begin to appear Q4 2026 in the form of the Atlas 950 SuperPoD, equipped with the new Ascend 950DT chips.

Competitor NVIDIA’s NVL144 system (a SuperPod analogue) will launch mid- to late-2026, and Huawei claims that its first SuperPoD will have 56.8 times more NPUs than GPUs in the NVL144, and deliver nearly seven times the processing power. Even with the scheduled arrival of the NVL576, which NVIDIA is set to release in 2027, the Atlas 950 SuperPoD will still be the better performer.

General computing chips

For general computing, Huawei plans to release two models of its Kunpeng 950 processors in Q1 2026, sporting 96 cores & 192 threads, and 192 cores & 384 threads in the faster of the two models. There will also be what Xu called “the wold’s first general-purpose computing SuperPoD,” the Kunpeng 950-based TaiShan 950 SuperPod, which will be available in the first quarter of 2026.

Open-source connectivity protocol

The NPU and general computing SuperPoDs will use UnifiedBus 2.0, the next iteration of the existing UnifiedBus 1.0. That’s the interconnection technology used by the Atlas 900 A3 SuperPoD, which came into service in March this year, with over 300 installations to date.

UnifiedBus 2.0 is to be an open protocol, with the tech specifications released immediately to developer community. UnifiedBus 2.0 will be used internally in the new generations of SuperPods, and connect clusters of SuperPods, forming SuperClusters.

The first cluster product is to be the Atlas 950 SuperCluster, offering 2.5 times more NPUs and 1.3 times more computing power than xAI’s Colossus, currently the world’s most powerful computing cluster.

In the last quarter of 2027, Huawei intends to launch the Atlas 960 SuperCluster, which will integrate over a million NPUs and deliver 4 ZFLOPS in FP4 (with a ZFLOP representing 10^21 floating point operations per second). “SuperPoDs and SuperClusters powered by UnifiedBus are our answer to surging demand for computing, both today and tomorrow,” Xu said.

(Image source: Eric Xu, Huawei)

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华为 昇腾 Ascend AI芯片 AI 芯片 计算 SuperPod SuperCluster UnifiedBus 鲲鹏 Kunpeng
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