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