FA-98495 / Beam search bookkeeping / Member archive
Beam search: length normalization changes accumulated search scores · case 05
length normalization changes accumulated search scores.
Case contract
Given token deltas and alpha, return prefix raw totals; alpha is reserved for final ranking.
Why this case matters
Beam decoders rely on consistent hypothesis state while expanding and ranking candidates.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| raw prefix totals | [-2.5, -2.3333333333333335] | [-5, -7] | Failed |
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