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Muon runs no Newton-Schulz at ZeRO stage 0, the default: run it - #8442

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alanhuangyoo:fix/muon-requires-zero-optimizer
Sep 8, 2026
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Muon runs no Newton-Schulz at ZeRO stage 0, the default: run it#8442
delock merged 5 commits into
deepspeedai:masterfrom
alanhuangyoo:fix/muon-requires-zero-optimizer

Skip the mixed-precision cases where the accelerator refuses the dtype

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