Comment on Your code is fast if you're luckyparentComments−wat100002moThe compiler doesn’t have to consider how other threads will see this. If you don’t use atomics, the compiler is free to reorder things however it wishes as long as the single threaded behavior is the same in the end.
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The compiler doesn’t have to consider how other threads will see this. If you don’t use atomics, the compiler is free to reorder things however it wishes as long as the single threaded behavior is the same in the end.