Can You Pass This 5-Question PyTorch Interview Speedrun? eval, zero_grad, detach and More
cneuralnetwork · x · 2026-10-30
A 5-question PyTorch fundamentals speedrun, no Googling allowed: what model.eval() actually changes, why you call optimizer.zerograd(), detach() vs nograd(), why CrossEntropyLoss expects raw logits, and what silently breaks if you forget loss.backward(). Answers are in the replies — a quick self-check for training-loop basics.
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