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Hello folks,
I couldn't find any concrete reference so I've decided to ask my question here.
In the case of a physical core composed of 2 threads with hyperthreading and the core containing an L1 cache shared for the 2 threads, could we face false sharing?
It's not clear to me if false sharing would still be a thing because a cache line is "owned" by one or the other thread, or if conversely, false sharing wouldn't apply because a cache line would already be in the same L1 cache.
Hope my question is clear.
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