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Add lru-cache module: LinkedHashMap and hand-rolled DLL LRU, coarse-lock/striped thread-safe variants, broken ReadWriteLock demo, Caffeine reference, 43 tests, JMH harness

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Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017ic4b4VQVEJWetTT1dYzyJ
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asmhatre
2026-10-29 05:52:27 +00:00
co-authored by Claude Sonnet 5.5
parent 4a376b94e9
commit 0457cf4bfb
31 changed files with 1425 additions and 0 deletions
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lru-cache/output/07-caffeine-same-ops.txt
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Caffeine 3.3.1 maximumSize(3) given the dry-run operations (same-thread executor, cleanUp after each)
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put(1,A) -> resident keys (unordered): [1]
put(2,B) -> resident keys (unordered): [1, 2]
put(3,C) -> resident keys (unordered): [1, 2, 3]
get(1) -> resident keys (unordered): [1, 2, 3]
put(4,D) -> resident keys (unordered): [1, 2, 4]
get(2) -> resident keys (unordered): [1, 2, 4]
put(3,C2) -> resident keys (unordered): [1, 2, 3]
put(5,E) -> resident keys (unordered): [1, 2, 5]
get(4) -> resident keys (unordered): [1, 2, 5]
get(1) -> resident keys (unordered): [1, 2, 5]
A strict LRU of capacity 3 ends this sequence with [3, 5, 4] (see 01-dry-run-capacity-3.txt).