2024年，中国智能驾驶芯片领军企业地平线正式发布了其第四代BPU（Brain Processing Unit）架构——‘黎曼’。该架构以19世纪德国数学家伯恩哈德·黎曼命名，象征其在计算范式上的突破性创新。‘黎曼’架构采用全新设计的异构计算单元，支持更高效的稀疏化神经网络推理，显著提升AI算力利用率与能效比。相比上一代‘纳什’架构，‘黎曼’在同等功耗下可实现近3倍的AI性能提升，并优化了对Transformer等大模型的支持，为高阶自动驾驶、舱驾融合及端侧大模型部署提供强大底层支撑。此外，‘黎曼’还引入了动态精度调节、软硬协同调度等关键技术，进一步增强了系统的灵活性与实时性。地平线表示，基于‘黎曼’架构的征程6系列芯片将于年内量产，赋能更多车企实现L3及以上级别的智能驾驶功能。这一发布标志着地平线在车规级AI芯片领域持续领跑，也彰显了中国在智能汽车核心技术自主创新方面的实力。
In 2024, Horizon Robotics, a leading Chinese provider of intelligent driving chips, officially unveiled its fourth-generation BPU (Brain Processing Unit) architecture—’Riemann,’ named after the 19th-century German mathematician Bernhard Riemann, symbolizing a breakthrough in computational paradigms. The ‘Riemann’ architecture features a newly designed heterogeneous computing unit that supports highly efficient sparse neural network inference, significantly improving AI compute utilization and energy efficiency. Compared to its predecessor, the ‘Nash’ architecture, ‘Riemann’ delivers nearly three times the AI performance at the same power consumption and offers enhanced support for large models such as Transformers—enabling advanced autonomous driving, integrated cockpit-and-driving systems, and on-device large model deployment. Additionally, ‘Riemann’ introduces key innovations like dynamic precision scaling and hardware-software co-scheduling, further boosting system flexibility and real-time responsiveness. Horizon Robotics announced that its Journey 6 series chips based on the ‘Riemann’ architecture will enter mass production within the year, empowering automakers to implement L3+ autonomous driving capabilities. This launch underscores Horizon’s continued leadership in automotive-grade AI chips and highlights China’s growing strength in core technological self-reliance for intelligent vehicles.
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