FA-98912 / Gradient accumulation weighting / Member archive
Flush emits a normalized result without clearing its accumulator · case 02
Flush emits a normalized result without clearing its accumulator.
Case contract
Given [sum,count], flush returns [mean, [0,0]]. Empty state has mean zero; all state is cleared for the next window.
Why this case matters
A deterministic toy model isolates one local accumulation contract.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| flush populated | [4.0, [24, 6]] | [4, [0, 0]] | Failed |
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