Unverified50% confidenceFactExact time
CXL.mem允许CPU以字节寻址方式直接访问挂载设备内存，延迟仅比本地DRAM高约100~200ns，CXL 3.0已支持内存池化和内存共享
1
Sources
50%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Related Claims
Unverified内存即服务（MaaS）依赖CXL互联协议，跨CXL链路的内存访问延迟约为本地内存的2至3倍72% similarUnverifiedAMD's 3D V-Cache technology vertically stacks additional SRAM cache chips above the CCD, expanding the L3 cache from 32MB to 96MB or more.70% similarUnverifiedCPU缓存以缓存行为最小传输单元，通常为64字节，MESI协议负责维护多核间缓存一致性70% similarVerifiedThe M4 chip's unified memory architecture provides memory bandwidth of up to 120 GB/s or more.67% similar
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