Unverified50% confidenceFactExact time
ARM的dmb ish（Inner Shareable Domain）仅在同一CPU簇内核心间建立序，而dmb sy覆盖包括GPU等外设在内的整个系统域
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
C++ Asymmetric Memory Barriers: Principles, Implementation, and Engineering Applications
hackernewshackernews7/3/2026
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