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Cosine restarts are misaligned with the end of warmup · case 03

Cosine restarts are misaligned with the end of warmup.

Member previewVariant 3 · 3 implementations · 6 checks per implementation

Case contract

Warm up linearly, then apply a repeating cosine over a fixed post-warmup period.

Why this case matters

A deterministic scalar schedule makes step-to-rate mapping explicit for a small training loop.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixtureActualExpectedOutcome
boundary2.0000000000000018Failed

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