Cambricon Boosts DeepSeek-V4 Performance with Open-Source Optimizations
Cambricon Delivers Day-One Support for DeepSeek-V4 AI Model
In a significant move for China's AI ecosystem, Cambricon announced complete "Day0" compatibility with DeepSeek's newly released open-source model series. The hardware specialist has optimized both the compact 285B-parameter Flash version and the heavyweight 1.6T-parameter Pro variant to run smoothly on Cambricon platforms right from launch.
Technical Breakthroughs
The engineering team faced unique challenges adapting to DeepSeek-V4's sparse attention architecture and compressed structure. Their solution? A custom-built vector fusion operator library called Torch-MLU-Ops that specifically accelerates core components like the Compressor module.
Using BangC, Cambricon's high-performance programming language, developers created optimized kernels for critical operations including:
- Sparse Attention processing
- GroupGemm computations
- Five-dimensional hybrid parallel strategies (TP/PP/SP/DP/EP)
The implementation fully supports low-precision quantization and PD separation deployment within the vLLM framework, significantly boosting token throughput while maintaining strict latency requirements.
Hardware Advantages
Cambricon's MLU processors bring specialized capabilities to the table:
- Memory access optimization handles DeepSeek-V4's complex indexing patterns
- Sorting acceleration improves processing efficiency
- High-bandwidth interconnects minimize communication overhead
These features prove particularly valuable during both Prefill and Decode phases, where they help maintain high inference utilization rates.
Industry Impact
DeepSeek-V4 represents a formidable challenge for computing platforms with its:
- Million-token context window (1M words)
- State-of-the-art reasoning capabilities
- Massive parameter counts
Cambricon's ability to deliver full support immediately upon release signals two important developments:
- Domestic hardware can now compete in supporting ultra-large, complex AI models
- China's AI industry has reached maturity in software-hardware co-design
By open-sourcing their adaptation code, Cambricon invites broader community participation in optimizing these cutting-edge models.
Key Points:
- Instant compatibility with both Flash (285B) and Pro (1.6T) versions of DeepSeek-V4
- Open-source release of optimized code on GitHub for community access
- Specialized acceleration for sparse attention architecture using Torch-MLU-Ops library
- Hardware advantages including memory optimization and high-speed interconnects
- Industry milestone demonstrating China's progress in AI infrastructure



