Unverified50% confidenceFactExact time

CPU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

1

Sources

50%

Confidence

Long-term

Relevance

7/12/2026

First Seen

Sources

Designing MPMC Queues: Balancing Bounded Waiting and High-Performance Concurrency

hackernewshackernews7/6/2026

Related Claims

UnverifiedCXL.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70% similar UnverifiedThe GPU memory hierarchy from fastest to slowest is: registers, L1 cache/shared memory, L2 cache, global memory (VRAM).69% similar

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