FA-98458 / Beam search bookkeeping / Member archive
Beam search: candidate budget is shared before per-parent expansion · case 03
candidate budget is shared before per-parent expansion.
Case contract
Candidates are [parent,score,token]; return globally top width ordered by descending score then parent and token.
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 |
|---|---|---|---|
| same parent owns top slots | [[0, 6, "a"], [0, 5, "b"]] | [[1, 7, "c"], [0, 6, "a"]] | Failed |
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