prism

Loaded Dice: Solving the Non-Selection Problem for Scalable Probabilistic RowHammer Defense To appear in the 53rd International Symposium on Computer Architecture ISCA, 2026. Jeonghyun Woo1, Junsu Kim1, Aamer Jaleel2, Prashant J. Nair1 1 University of British Columbia 2 NVIDIA Equal contribution...

Loaded Dice: Solving the Non-Selection Problem for Scalable Probabilistic RowHammer Defense

DRAM scaling has exacerbated the RowHammer vulnerability. To counter this, JEDEC recently introduced Per Row Activation Counting PRAC with the Alert Back-Off protocol as an optional DDR5 feature. While promising, PRAC requires per-row counter cells that incur area overhead, and updating them on...