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The One-Line Slowdown: Why AI Models Get Slower

IBM Technology — Oct 25, 2026 — talk

Why watch

Explains how hidden synchronization costs and graph breaks silently degrade AI model training performance in PyTorch. The video covers torch.compile optimization mechanics, the performance penalty of Python scalar reads (.item()), and debugging techniques for compiled ML workloads. Targeted at ML engineers and developers optimizing PyTorch model performance.