chore: import upstream snapshot with attribution

test/auto_parallel/test_process_mesh_v2.py

@@ -0,0 +1,103 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License
+
+import unittest
+
+from paddle.distributed.auto_parallel.static.process_mesh_v2 import (
+    ProcessMesh,
+    compute_compatible_process_mesh,
+    merge_process_mesh,
+)
+
+
+class TestProcessMesh(unittest.TestCase):
+    def test_process_mesh(self):
+        mesh = [[0, 1, 2], [3, 4, 5]]
+        mesh2 = [[0, 1], [2, 3]]
+        process_mesh = ProcessMesh(mesh, dim_names=["x", "y"])
+        process_mesh2 = ProcessMesh(mesh2)
+        self.assertEqual(process_mesh.shape, [2, 3])
+        self.assertEqual(process_mesh.process_ids, [0, 1, 2, 3, 4, 5])
+        self.assertEqual(process_mesh.dim_names, ["x", "y"])
+        self.assertEqual(process_mesh.size, 6)
+        self.assertEqual(process_mesh.ndim, 2)
+        self.assertEqual(process_mesh.dim_size(0), 2)
+        self.assertEqual(process_mesh.dim_size(-1), 3)
+        self.assertEqual(process_mesh.dim_size("x"), 2)
+        self.assertEqual(process_mesh.dim_size("y"), 3)
+        self.assertEqual(process_mesh.empty(), False)
+        self.assertEqual(process_mesh.contains(0), True)
+        self.assertEqual(process_mesh.contains(6), False)
+        self.assertEqual(process_mesh, process_mesh)
+        self.assertNotEqual(process_mesh, process_mesh2)
+        self.assertEqual(str(process_mesh), str(process_mesh))
+
+    def test_compute_compatible_process_mesh(self):
+        process_mesh1 = ProcessMesh(
+            [[0, 1, 2], [3, 4, 5]], dim_names=["x", "y"]
+        )
+        compatible_process_mesh = compute_compatible_process_mesh(
+            [process_mesh1, None]
+        )
+        self.assertEqual(compatible_process_mesh, process_mesh1)
+        compatible_process_mesh = compute_compatible_process_mesh(
+            [None, process_mesh1]
+        )
+        self.assertEqual(compatible_process_mesh, process_mesh1)
+
+        process_mesh2 = ProcessMesh([[0, 1, 2], [3, 4, 5]])
+        compatible_process_mesh = compute_compatible_process_mesh(
+            [process_mesh1, process_mesh2]
+        )
+        self.assertEqual(compatible_process_mesh, process_mesh1)
+        self.assertEqual(compatible_process_mesh, process_mesh2)
+
+        process_mesh2 = ProcessMesh([[0, 1, 2, 3, 4, 5]])
+        compatible_process_mesh = compute_compatible_process_mesh(
+            [process_mesh1, process_mesh2]
+        )
+        self.assertEqual(compatible_process_mesh, process_mesh1)
+
+        process_mesh2 = ProcessMesh([[0, 1, 2]])
+        compatible_process_mesh = compute_compatible_process_mesh(
+            [process_mesh1, process_mesh2]
+        )
+        self.assertEqual(compatible_process_mesh, process_mesh1)
+
+    def test_merge_process_mesh(self):
+        process_mesh1 = ProcessMesh(
+            [[0, 1, 2], [3, 4, 5]], dim_names=["x", "y"]
+        )
+        merged_process_mesh = merge_process_mesh([process_mesh1, None])
+        self.assertEqual(merged_process_mesh, ProcessMesh([0, 1, 2, 3, 4, 5]))
+        merged_process_mesh = merge_process_mesh([None, process_mesh1])
+        self.assertEqual(merged_process_mesh, ProcessMesh([0, 1, 2, 3, 4, 5]))
+
+        process_mesh2 = ProcessMesh([[0, 1, 2], [3, 4, 5]])
+        merged_process_mesh = merge_process_mesh([process_mesh1, process_mesh2])
+        self.assertEqual(merged_process_mesh, ProcessMesh([0, 1, 2, 3, 4, 5]))
+
+        process_mesh2 = ProcessMesh([[0, 1, 2]])
+        merged_process_mesh = merge_process_mesh([process_mesh1, process_mesh2])
+        self.assertEqual(merged_process_mesh, ProcessMesh([0, 1, 2, 3, 4, 5]))
+
+        process_mesh2 = ProcessMesh([[6, 7]])
+        merged_process_mesh = merge_process_mesh([process_mesh1, process_mesh2])
+        self.assertEqual(
+            merged_process_mesh, ProcessMesh([0, 1, 2, 3, 4, 5, 6, 7])
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()