FA-98894 / Gradient accumulation weighting / Member archive
Scaled gradients are averaged before unscaling · case 04
Scaled gradients are averaged before unscaling.
Case contract
Scaled gradient sums share one positive scale and one example count. Sum, unscale, and normalize; zero count or zero scale returns zero.
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 |
|---|---|---|---|
| scale eight | 96.0 | 12 | Failed |
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