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Unverified50% confidenceFactExact time

片上SRAM提供了远超HBM的访问速度和带宽，消除了芯片到外部内存之间的数据搬运瓶颈

1

Sources

50%

Confidence

Long-term

Relevance

8/22/2026

First Seen

Sources

GPT-5.6 Ultra Fast模式解析：推理提速14倍背后的技术与落地

Related Claims

Unverified昇腾AI处理器中全局内存（HBM或DDR）的访问延迟远高于本地SRAM，两者可能相差数十到上百倍71% similar UnverifiedWSE-3的片上SRAM容量达到44GB，SRAM访问延迟约1ns，比HBM约100ns低10-50倍69% similar VerifiedHBM通过垂直堆叠多层DRAM芯片并以硅通孔（TSV）技术实现层间高密度互联，相比传统GDDR6显存内存带宽可高出3-5倍，同时功耗更低、封装面积更小68% similar UnverifiedSRAM访问延迟约1ns，HBM约100ns，SRAM延迟比HBM低约10-50倍67% similar Unverified扩展性关注点：预留M.2 NVMe插槽可做SSD读写缓存加速；带PCIe插槽或扩展柜接口的机型可后期加万兆网卡或扩容盘位，避免容量瓶颈时被迫换整机67% similar

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