False Sharing ·
The Invisible Slowdown
un
seel
.com · 64-byte cache lines · MESI ping-pong · 10–100× cost
Line size
64 B
Invalidations
0
Stage
two cores, one line
Shared / clean
Modified (owner)
Invalid
Padded — no contention
Play
Pause
Unmute
Reset
Un
seel
.com · False Sharing