FA-99340 / Distributed training aggregation / Member archive
Unknown worker IDs inflate a replica average · case 05
Unknown worker IDs inflate a replica average.
Case contract
Given configured workers and [worker,value] rows, last listed value per eligible worker contributes; return mean or None.
Why this case matters
A toy distributed-training contract makes replica and shard contribution rules explicit without claiming framework compatibility or performance.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| foreign ignored | 252.5 | 5 | Failed |
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