Back to the lesson libraryMECHANISM · 13 MIN
M10.8 CONNECT THE MECHANISM

Find the first broken assumption in a training run

Training bugs rarely crash. They just make a model quietly worse. Learn the checks that find them fast, from a two-minute sanity test to a symptom-by-symptom field guide.

LESSON OVERVIEW13 min lesson

Lesson overview

Training bugs rarely crash. They just make a model quietly worse. Learn the checks that find them fast, from a two-minute sanity test to a symptom-by-symptom field guide.

What you’ll explore

  • Training diagnosis checks data, shapes, loss, gradients, updates, and evaluation in order; divergence, plateaus, and noisy metrics can have different causes.
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