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scene-mem v2 B1 — held-out val subtask accuracy

MemER Qwen3-VL-4B LoRA · deterministic rule-based scoring (no LLM-judge)
TL;DR — MemER scene-mem v2 LoRA, held-out val: final-query 0.0% (0/30); true compressed-memory recall (chunked) 0.0%
0.0%
PRIMARY final-query
0/30
4.16%
memory-turn match
28/673
0.0%
CHUNKED (true mem)
0/20
0.0%
NOT-chunked floor
0/10

Eval set (honest split)

Held-out val only: 30 test samples across 10 scenarios (split-val total 57). Train leak: NONE. MemER did NOT train on these scenarios.

base = gemini-2.5-flash adapter = None max_new_tokens = 2048

(2) Per-memory-turn narration match rate

bucketmatch ratecount
overall4.16% 28/673
fine segments4.65% 28/602
composite segments (verbatim)0.0% 0/71

(3) Keyframe selection quality

keyframe-count distribution: {0: 126, 1: 918, 2: 1003, 3: 182, 4: 124, 5: 58, 6: 14, 7: 4, 8: 7}
mean keyframes/turn: 1.816
final-query emitted-a-keyframe rate: 96.67% (29/30)

(4) Chunked-vs-not memory-recall decomposition

bucketfinal-query acccount
CHUNKED (true compressed-memory recall) 0.0% 0/20
NOT-chunked (learned-prior floor) 0.0% 0/10
chunked = the test's target task instruction matches the _PNP pick-and-place regex reused verbatim from scripts/analyze_tier3b_vs_tier3a.py (object genuinely entered the bounded FIFO). chunked = true compressed-memory recall; notchunked = learned-prior floor.

Run

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