FA-98500 / Beam search bookkeeping / Member archive
Beam search: search stops before a live path can beat the finished set · case 05
search stops before a live path can beat the finished set.
Case contract
Stop only if at least k finished scores exist and the best live score is no greater than the kth-best finished score; future deltas are nonpositive.
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 |
|---|---|---|---|
| need k results | true | false | Failed |
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