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G.ndim >= 2 to assert G.ndim == 2

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Goekdeniz-Guelmez
2025-07-17 19:52:00 +02:00
parent 060404d862
commit 3889c805da
1 changed files with 1 additions and 1 deletions
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python/mlx/optimizers/optimizers.py
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@@ -894,7 +894,7 @@ class Muon(Optimizer):
state["v"] = mx.zeros_like(parameter) state["v"] = mx.zeros_like(parameter)
def _zeropower_via_newtonschulz5(self, G, steps: int): def _zeropower_via_newtonschulz5(self, G, steps: int):
assert G.ndim >= 2 assert G.ndim == 2, f"Expected a 2D matrix for Newton-Schulz iteration, got shape {G.shape} instead."
a, b, c = (3.4445, -4.7750, 2.0315) a, b, c = (3.4445, -4.7750, 2.0315)
X = G.astype(G.dtype) X = G.astype(G.dtype)
transpose_needed = G.shape[-2] > G.shape[-1] transpose_needed = G.shape[-2] > G.shape[-1]