RootCauseunvalidated
Fences are local, affecting only the current thread. — In terms of hardware, only the current logical core executing this thread. Tension: this implements strong ordering among all cores. Outcome: An SC fence (full barrier) is local to the (logical) core executing it, draining the store buffer and finishing earlier loads before any later loads can execute or later stores can commit.
d8be110c-40a9-4a54-b307-8460aa25bf8a
Fences are local, affecting only the current thread. — In terms of hardware, only the current logical core executing this thread. Tension: this implements strong ordering among all cores. Outcome: An SC fence (full barrier) is local to the (logical) core executing it, draining the store buffer and finishing earlier loads before any later loads can execute or later stores can commit.