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import unittest |
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import mlx.core as mx |
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import mlx.nn as nn |
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import mlx.utils |
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import mlx_tests |
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class TestTreeUtils(mlx_tests.MLXTestCase): |
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def test_tree_map(self): |
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tree = {"a": 0, "b": 1, "c": 2} |
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tree = mlx.utils.tree_map(lambda x: x + 1, tree) |
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expected_tree = {"a": 1, "b": 2, "c": 3} |
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self.assertEqual(tree, expected_tree) |
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def test_tree_flatten(self): |
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tree = [{"a": 1, "b": 2}, "c"] |
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vals = (1, 2, "c") |
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flat_tree = mlx.utils.tree_flatten(tree) |
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self.assertEqual(list(zip(*flat_tree))[1], vals) |
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self.assertEqual(mlx.utils.tree_unflatten(flat_tree), tree) |
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def test_merge(self): |
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t1 = {"a": 0} |
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t2 = {"b": 1} |
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t = mlx.utils.tree_merge(t1, t2) |
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self.assertEqual({"a": 0, "b": 1}, t) |
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with self.assertRaises(ValueError): |
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mlx.utils.tree_merge(t1, t1) |
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with self.assertRaises(ValueError): |
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mlx.utils.tree_merge(t, t1) |
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mod1 = nn.Sequential(nn.Linear(2, 2), nn.Linear(2, 2)) |
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mod2 = nn.Sequential(nn.Linear(2, 2), nn.Linear(2, 2)) |
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mod = nn.Sequential(mod1, mod2) |
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params1 = {"layers": [mod1.parameters()]} |
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params2 = {"layers": [None, mod2.parameters()]} |
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params = mlx.utils.tree_merge(params1, params2) |
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for (k1, v1), (k2, v2) in zip( |
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mlx.utils.tree_flatten(params), mlx.utils.tree_flatten(mod.parameters()) |
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): |
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self.assertEqual(k1, k2) |
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self.assertTrue(mx.array_equal(v1, v2)) |
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if __name__ == "__main__": |
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mlx_tests.MLXTestRunner() |
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