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华尔街观察 Xtrader
@cnfinancewatch
PhD | Professor | Investor |中美强势行业与标杆个股对标研究;中美股市盘前盘中即时数据。“大类资产轮动数据、行业轮动数据”订阅请点击(仅限财经教研,非投顾建议)👉🏻
Joined April 2010
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华尔街观察 Xtrader
@cnfinancewatch
2026.05.14 05:24
重要:存储硅光主线与存算一体革命 存储与硅光是当前市场最热主线,核心动因均为内存墙——芯片间数据搬运成本远超计算成本,已成AI算力核心瓶颈。 HBM通过堆叠内存缩短搬运距离,硅光以高速光互连拓宽传输通道,二者均为缓解内存墙的过渡方案。而存算一体是终极解法,直接消除数据搬运,实现“数据不动计算动”。 本周IPO的Cerebras( $CBRS)是存算一体标杆,其WSE-3将整片300mm晶圆做成单芯片,集成90万核心与44GB片上SRAM,带宽达21PB/s,是H100 HBM带宽近万倍。 与GPU/TPU的分布式架构不同,Cerebras以晶圆级集成规避跨芯片通信,构建起物理边界、微架构与生态的三重护城河。长期看,存储与硅光只是过渡,存算一体才是算力演进的终局,当前市场对其估值仍处低位。
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