FA-99097 / Learning rate schedules / Member archive
Cosine decay fails to restart at each cycle boundary · case 02
Cosine decay fails to restart at each cycle boundary.
Case contract
With fixed period, cosine restarts at zero every period; each cycle begins at base.
Why this case matters
A deterministic scalar schedule makes step-to-rate mapping explicit for a small training loop.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| quarter | 6.82842712474619 | 4 | Failed |
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