Interactive LIRS (Low Inter-Reference Recency Set) cache demonstration. Items tagged LIR (in cache, top priority), HIR-resident (in cache, probationary), or HIR-nonresident (ghost on S stack only).
S stack — recent access history (top = MRU)
Q list — resident HIR only (top = MRU)
In cache:
empty
Cache is empty. Click a letter to access it.
Access an item
A
B
C
D
E
F
Run demo
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Hits
0
Ghost hits
0
Misses
0
Hit rate
—
Operation log
Waiting for first access…