A close encounter with false sharing
DRANK
False sharing happens when multiple CPU cores modify different but closely located memory, unintentionally sharing a cache line as a result. Atomic operations on memory not shared with other thread…
1 comments
知識でfalse sharingについては知ってたけどまさかの場面で遭遇した,という話。crossbeamにpaddingをやってくれる構造体あるんだ