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第1487章 华为384卡超节点绝杀英伟达?中国算力终结美国霸权(1 / 2)

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2025年4月,华为在算力战场上投下一颗“核弹”——CloudMatrix 384超节点。这个由384张昇腾算力卡组成的庞然大物,不仅将单集群算力推至300PFlops(超越英伟达NVL72的67%),更联合硅基流动实现单卡解码吞吐1920Tokens/s,直接对标英伟达H100。这场技术突袭背后,藏着华为重构全球AI产业链的深层逻辑。

一、技术破局:用“集群规模”对冲“单卡劣势”的终极解法

华为与英伟达的竞争,本质是两种技术路线的生死博弈:

英伟达路线:追求单卡极致性能,H100的FP32算力达60TFlops,华为昇腾910B仅为其50%;

华为路线:以超节点架构弥补单卡短板,通过超大规模互联+全栈优化弯道超车。

关键数据对比:

指标 华为CloudMatrix 384英伟达NVL72

单节点算力卡数量 384张 72张

集群算力峰值 300PFlops 180PFlops

互联带宽 2.8Tbps 1.8Tbps

断点恢复时间 10秒级 未披露(预计分钟级)

华为的杀手锏在于6812个400G光模块构建的超高速互联。当数据在384张卡间近乎无损流动时,训练效率逼近单卡性能的90%(传统架构仅60%-70%),这正是硅基流动DeepSeek-R1模型精度与官方一致的核心原因。

启示:在摩尔定律失效的今天,“拼规模”比“拼工艺”更可能打破算力垄断。

二、产业链暗战:中国厂商的“反围剿”路线图

华为超节点的商用,正在改写全球AI基础设施的权力分配规则:

光模块厂商躺赢:单节点6812个400G光模块的需求,让中际旭创、新易盛等厂商订单暴增。据测算,2025年中国400G光模块市场规模将突破200亿元,同比增80%。

散热技术革命:昇腾卡功耗达450W(英伟达H100为700W),但384卡的集群总功耗达172.8kW,是NVL72的2.4倍。这迫使液冷渗透率从30%猛增至70%,巨湾技研、高澜股份等技术派公司受益。

软件生态突围:华为联合硅基流动、智谱AI等企业,构建“硬件集群+模型优化”的垂直生态。例如,DeepSeek-R1通过算子融合、内存复用等技术,将昇腾卡利用率从65%提升至92%。

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