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  "text": "(1/n) Check out our new paper: \"Fantastic Pretraining Optimizers and Where to Find Them\"! >4000 models to find the fastest optimizer! 2× speedups over AdamW? Unlikely. Beware under-tuned baseline or limited scale! E.g. Muon: ~40% speedups <0.5B & only 10% at 1.2B (8× Chinchilla)! https://t.co/ba09j9ZFZE",
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