http://programmer.ie/tags/training/ Recent content in Training on Programmer.ie: Modern AI programming Hugo en-us Sat, 08 Aug 2026 13:51:00 +0100 http://programmer.ie/post/pytorch-zero-to-hero-08/ Sat, 08 Aug 2026 13:51:00 +0100 http://programmer.ie/post/pytorch-zero-to-hero-08/ <h2 id="pytorch-zero-to-hero--step-08">PyTorch: Zero to Hero — Step 08</h2> <p>Your model runs.</p> <p>The loss is finite.</p> <p>Nothing crashes.</p> <p>And it still does not learn.</p> <p>This is one of the most frustrating states in machine learning because there is no stack trace telling you what is wrong.</p> <p>The program is valid Python.</p> <p>The tensors have legal shapes.</p> <p>The GPU is busy.</p> <p>The optimizer is stepping.</p> <p>And the model is useless.</p> <p>This post is a systematic way to debug that situation.</p>