Tag
replacement-policy
- Aug 13, 2026 Buffer Pool Frames, Pin Counts, and Replacement Under Pin Pressure How a page identifier is mapped to a frame of memory, why a pin is not a lock, what happens when every candidate for eviction is pinned, and how clock sweeps approximate LRU. databases
- Nov 5, 2024 Replacement Without Exact LRU: Reference Bits and Clock Hands Why a cache cannot maintain a true LRU stack at speed, how one reference bit per line and a rotating hand approximate it, and where the approximation picks the wrong victim. memory systems
- Jan 20, 2024 Re-Reference Interval Prediction in Shared Last-Level Caches How a two-bit prediction value per line resists scan thrashing, why set dueling picks a policy without simulating every access, and where shared-cache insertion policy goes wrong. memory systems