{"id":33586,"date":"2025-08-23T06:10:43","date_gmt":"2025-08-23T06:10:43","guid":{"rendered":"https:\/\/youzum.net\/huawei-cloudmatrix-a-peer-to-peer-ai-datacenter-architecture-for-scalable-and-efficient-llm-serving\/"},"modified":"2025-08-23T06:10:43","modified_gmt":"2025-08-23T06:10:43","slug":"huawei-cloudmatrix-a-peer-to-peer-ai-datacenter-architecture-for-scalable-and-efficient-llm-serving","status":"publish","type":"post","link":"https:\/\/youzum.net\/zh\/huawei-cloudmatrix-a-peer-to-peer-ai-datacenter-architecture-for-scalable-and-efficient-llm-serving\/","title":{"rendered":"Huawei CloudMatrix: A Peer-to-Peer AI Datacenter Architecture for Scalable and Efficient LLM Serving"},"content":{"rendered":"

LLMs have rapidly advanced with soaring parameter counts, widespread use of mixture-of-experts (MoE) designs, and massive context lengths. Models like DeepSeek-R1, LLaMA-4, and Qwen-3 now reach trillions of parameters, demanding enormous compute, memory bandwidth, and fast inter-chip communication. MoE improves efficiency but creates challenges in expert routing, while context windows exceeding a million tokens strain attention and KV cache storage, which scales with concurrent users. In real-world deployments, unpredictable inputs, uneven expert activations, and bursty queries further complicate serving. Addressing these pressures requires a ground-up rethinking of AI infrastructure through hardware\u2013software co-design, adaptive orchestration, and elastic resource management.\u00a0<\/p>\n

Recent progress in LLMs is shaped by three main trends: ever-growing parameter counts, sparse MoE architectures, and extended context windows. Models like Llama 4, DeepSeek-V3, and Google\u2019s PaLM push scale into the trillions of parameters, while MoE designs activate only subsets of experts per token, balancing efficiency with capacity. Meanwhile, context windows now span hundreds of thousands to millions of tokens, enabling long-form reasoning but straining compute and memory through large key-value caches. These advances place immense pressure on datacenters, demanding higher compute, memory, and bandwidth while introducing challenges in parallelism, workload heterogeneity, data convergence, and storage performance.\u00a0<\/p>\n

Huawei researchers introduced CloudMatrix, a new AI datacenter architecture designed to handle the rising demands of large-scale LLMs. Its first implementation, CloudMatrix384, combines 384 Ascend 910C NPUs and 192 Kunpeng CPUs, all linked by a high-bandwidth, low-latency Unified Bus that enables fully peer-to-peer communication. This design allows flexible pooling of compute, memory, and network resources, making it ideal for MoE parallelism and distributed KV cache access. On top of this, CloudMatrix-Infer offers an optimized serving framework with peer-to-peer resource pools, large-scale expert parallelism, and hardware-aware optimizations like pipelining and INT8 quantization. Evaluations with DeepSeek-R1 show state-of-the-art throughput, efficiency, and scalability.\u00a0<\/p>\n

Huawei CloudMatrix is a new AI datacenter architecture built on peer-to-peer high-bandwidth interconnects and fine-grained resource disaggregation. Its first large-scale implementation, CloudMatrix384, integrates 384 Ascend 910C NPUs and 192 Kunpeng CPUs into a single supernode, all linked by a unified bus network that enables direct all-to-all communication. This design allows compute, memory, and network resources to be shared seamlessly and scaled independently, operating as one cohesive system. By avoiding the bottlenecks of traditional hierarchical setups, CloudMatrix384 is particularly effective for communication-heavy tasks such as large-scale MoE parallelism and distributed KV cache management, making it ideal for scalable LLM serving.\u00a0<\/p>\n

The researchers evaluate CloudMatrix-Infer on the DeepSeek-R1 model using the CloudMatrix384 supernode. The system achieves a prefill throughput of 6,688 tokens per second per NPU and a decode throughput of 1,943 tokens per second with latency kept under 50 ms, outperforming comparable systems such as SGLang on NVIDIA H100 and DeepSeek on H800. Even when constrained to stricter latency requirements of under 15 ms, it sustains 538 tokens per second in decoding. Moreover, INT8 quantization on the Ascend 910C preserves accuracy across 16 benchmarks, showing that efficiency improvements do not compromise model quality.\u00a0<\/p>\n

<\/p>\n

In conclusion, Huawei CloudMatrix is a next-generation AI datacenter architecture designed to overcome the scalability limits of conventional clusters. Its first production system, CloudMatrix384, combines 384 Ascend 910C NPUs and 192 Kunpeng CPUs in a fully peer-to-peer supernode connected through a high-bandwidth, low-latency Unified Bus. To exploit this design, the study proposes CloudMatrix-Infer, which separates prefill, decode, and caching into independent pools, supports large-scale expert parallelism, and applies hardware-aware optimizations like pipelining and INT8 quantization. Tested on DeepSeek-R1, it achieved superior throughput and latency performance compared to NVIDIA-based systems, while preserving accuracy, showcasing its potential for large-scale AI deployments.\u00a0<\/p>\n

\n

Check out the\u00a0Technical Paper<\/a>.<\/strong>\u00a0Feel free to check out our\u00a0GitHub Page for Tutorials, Codes and Notebooks<\/a><\/mark><\/strong>.\u00a0Also,\u00a0feel free to follow us on\u00a0Twitter<\/mark><\/a><\/strong>\u00a0and don\u2019t forget to join our\u00a0100k+ ML SubReddit<\/a><\/strong>\u00a0and Subscribe to\u00a0our Newsletter<\/a><\/strong>.<\/p>\n

The post Huawei CloudMatrix: A Peer-to-Peer AI Datacenter Architecture for Scalable and Efficient LLM Serving<\/a> appeared first on MarkTechPost<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

LLMs have rapidly advanced with soaring parameter counts, widespread use of mixture-of-experts (MoE) designs, and massive context lengths. Models like DeepSeek-R1, LLaMA-4, and Qwen-3 now reach trillions of parameters, demanding enormous compute, memory bandwidth, and fast inter-chip communication. MoE improves efficiency but creates challenges in expert routing, while context windows exceeding a million tokens strain attention and KV cache storage, which scales with concurrent users. In real-world deployments, unpredictable inputs, uneven expert activations, and bursty queries further complicate serving. Addressing these pressures requires a ground-up rethinking of AI infrastructure through hardware\u2013software co-design, adaptive orchestration, and elastic resource management.\u00a0 Recent progress in LLMs is shaped by three main trends: ever-growing parameter counts, sparse MoE architectures, and extended context windows. Models like Llama 4, DeepSeek-V3, and Google\u2019s PaLM push scale into the trillions of parameters, while MoE designs activate only subsets of experts per token, balancing efficiency with capacity. Meanwhile, context windows now span hundreds of thousands to millions of tokens, enabling long-form reasoning but straining compute and memory through large key-value caches. These advances place immense pressure on datacenters, demanding higher compute, memory, and bandwidth while introducing challenges in parallelism, workload heterogeneity, data convergence, and storage performance.\u00a0 Huawei researchers introduced CloudMatrix, a new AI datacenter architecture designed to handle the rising demands of large-scale LLMs. Its first implementation, CloudMatrix384, combines 384 Ascend 910C NPUs and 192 Kunpeng CPUs, all linked by a high-bandwidth, low-latency Unified Bus that enables fully peer-to-peer communication. This design allows flexible pooling of compute, memory, and network resources, making it ideal for MoE parallelism and distributed KV cache access. On top of this, CloudMatrix-Infer offers an optimized serving framework with peer-to-peer resource pools, large-scale expert parallelism, and hardware-aware optimizations like pipelining and INT8 quantization. Evaluations with DeepSeek-R1 show state-of-the-art throughput, efficiency, and scalability.\u00a0 Huawei CloudMatrix is a new AI datacenter architecture built on peer-to-peer high-bandwidth interconnects and fine-grained resource disaggregation. Its first large-scale implementation, CloudMatrix384, integrates 384 Ascend 910C NPUs and 192 Kunpeng CPUs into a single supernode, all linked by a unified bus network that enables direct all-to-all communication. This design allows compute, memory, and network resources to be shared seamlessly and scaled independently, operating as one cohesive system. By avoiding the bottlenecks of traditional hierarchical setups, CloudMatrix384 is particularly effective for communication-heavy tasks such as large-scale MoE parallelism and distributed KV cache management, making it ideal for scalable LLM serving.\u00a0 The researchers evaluate CloudMatrix-Infer on the DeepSeek-R1 model using the CloudMatrix384 supernode. The system achieves a prefill throughput of 6,688 tokens per second per NPU and a decode throughput of 1,943 tokens per second with latency kept under 50 ms, outperforming comparable systems such as SGLang on NVIDIA H100 and DeepSeek on H800. Even when constrained to stricter latency requirements of under 15 ms, it sustains 538 tokens per second in decoding. Moreover, INT8 quantization on the Ascend 910C preserves accuracy across 16 benchmarks, showing that efficiency improvements do not compromise model quality.\u00a0 In conclusion, Huawei CloudMatrix is a next-generation AI datacenter architecture designed to overcome the scalability limits of conventional clusters. Its first production system, CloudMatrix384, combines 384 Ascend 910C NPUs and 192 Kunpeng CPUs in a fully peer-to-peer supernode connected through a high-bandwidth, low-latency Unified Bus. To exploit this design, the study proposes CloudMatrix-Infer, which separates prefill, decode, and caching into independent pools, supports large-scale expert parallelism, and applies hardware-aware optimizations like pipelining and INT8 quantization. Tested on DeepSeek-R1, it achieved superior throughput and latency performance compared to NVIDIA-based systems, while preserving accuracy, showcasing its potential for large-scale AI deployments.\u00a0 Check out the\u00a0Technical Paper.\u00a0Feel free to check out our\u00a0GitHub Page for Tutorials, Codes and Notebooks.\u00a0Also,\u00a0feel free to follow us on\u00a0Twitter\u00a0and don\u2019t forget to join our\u00a0100k+ ML SubReddit\u00a0and Subscribe to\u00a0our Newsletter. The post Huawei CloudMatrix: A Peer-to-Peer AI Datacenter Architecture for Scalable and Efficient LLM Serving appeared first on MarkTechPost.<\/p>","protected":false},"author":2,"featured_media":33587,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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