FA-100587 / Mixture of experts dispatch / Member archive
Top-k selection crosses a group boundary · case 02
Top-k selection crosses a group boundary.
Case contract
Input (group,expert,score) rows; return up to k per group by score descending and expert ID, preserving group lexical order then rank.
Why this case matters
A deterministic toy router makes this dispatch decision independently inspectable.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| per group | [["g2", "b", 4]] | [["g1", "z", 3], ["g2", "b", 4]] | Failed |
MEMBER ARCHIVE
The complete case is available to members.
This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
Member access is invitation-based. Sign in with your invited account to inspect the sources.
Sign in to the archive ↗