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Silent NaN: the check that belongs in every diffusion pipeline

I generate 512x768 images on a 4GB GTX 1650. About 150 seconds per image in fp32 with model offload. That is the number I plan around, and it does not leave room for rerunning a batch because one file was quietly broken. How fp16 on this card produced NaN without raising I switched the pipeline to…

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  1. 2026-11-04 01:35 · DEV Community — Machine Learning
    Silent NaN: the check that belongs in every diffusion pipeline

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