alt Hacker NewsIt doesn't need to be a fully accurate simulation, any more than your car needs a fully accurate ICE simulation to decide "Change the engine oil".
Just count accesses to each row, and refresh the adjacent row(s) when some limit is reached.
It doesn't need to be a fully accurate simulation, any more than your car needs a fully accurate ICE simulation to decide "Change the engine oil".
Just count accesses to each row, and refresh the adjacent row(s) when some limit is reached.
Half-Double is an attack where you hammer the rows 2 spaces away so that the automatic refresh on the rows 1 space away is what actually hammers the target row.