chore: import upstream snapshot with attribution

test/auto_parallel/spmd_rules/test_slice_rule.py

@@ -0,0 +1,303 @@
+# Copyright (c) 2023 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 collections import OrderedDict
+
+from paddle.distributed.auto_parallel.static.dist_attribute import (
+    DistTensorSpec,
+    TensorDistAttr,
+)
+from paddle.distributed.fleet import auto
+from paddle.framework import core
+
+
+class TestSliceSPMDRule(unittest.TestCase):
+    def setUp(self):
+        self.rule = core.get_phi_spmd_rule("slice")
+
+        x_shape = [8, 8, 16, 16]
+        process_mesh = auto.ProcessMesh(mesh=[[0, 1, 2, 3], [4, 5, 6, 7]])
+
+        x_tensor_dist_attr = TensorDistAttr()
+        x_tensor_dist_attr.dims_mapping = [-1, -1, -1, -1]
+        x_tensor_dist_attr.process_mesh = process_mesh
+        self.x_dist_tensor_spec = DistTensorSpec(x_shape, x_tensor_dist_attr)
+        self.attrs = OrderedDict()
+        self.attrs['infer_flags'] = [0]
+        self.attrs['decrease_axis'] = [0]
+
+    def test_slice_infer_forward(self):
+        # axes: [-1]
+        # dims_mapping: [-1, 0, 1, -1] --> [-1, 0, 1, -1] [-1, 0, 1, -1]
+        self.x_dist_tensor_spec.set_dims_mapping([-1, 0, 1, -1])
+        self.attrs['axes'] = [-1]
+        self.attrs['starts'] = [4]
+        self.attrs['ends'] = [8]
+        result_dist_attrs = self.rule.infer_forward(
+            self.x_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(len(inferred_input_dist_attrs), 1)
+        self.assertEqual(len(inferred_output_dist_attrs), 1)
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, 0, 1, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, 0, 1, -1]
+        )
+
+        # axes: [-1]
+        # dims_mapping: [-1, -1, 1, 0] --> [-1, -1, 1, -1] [-1, -1, 1, -1]
+        self.x_dist_tensor_spec.set_dims_mapping([-1, -1, 1, 0])
+        self.attrs['axes'] = [-1]
+        self.attrs['starts'] = [4]
+        self.attrs['ends'] = [-1]
+        result_dist_attrs = self.rule.infer_forward(
+            self.x_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, -1, 1, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, -1, 1, -1]
+        )
+
+        # axes: [1, 2]
+        # dims_mapping: [0, -1, -1, 1] --> [0, -1, -1, 1] [0, -1, -1, 1]
+        self.x_dist_tensor_spec.set_dims_mapping([0, -1, -1, 1])
+        self.attrs['axes'] = [1, 2]
+        self.attrs['starts'] = [4, 4]
+        self.attrs['ends'] = [-1, 32]
+        result_dist_attrs = self.rule.infer_forward(
+            self.x_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [0, -1, -1, 1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [0, -1, -1, 1]
+        )
+
+        # axes: [1, 2]
+        # dims_mapping: [-1, 1, 0, -1] --> [-1, -1, -1, -1] [-1, -1, -1, -1]
+        self.x_dist_tensor_spec.set_dims_mapping([-1, 1, 0, -1])
+        self.attrs['axes'] = [1, 2]
+        self.attrs['starts'] = [4, 4]
+        self.attrs['ends'] = [-1, 32]
+        result_dist_attrs = self.rule.infer_forward(
+            self.x_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+
+        # axes: [0, 1, 2, 3]
+        # dims_mapping: [0, 1, -1, -1] --> [-1, -1, -1, -1] [-1, -1, -1, -1]
+        self.x_dist_tensor_spec.set_dims_mapping([0, 1, -1, -1])
+        self.attrs['axes'] = [0, 1, 2, 3]
+        self.attrs['starts'] = [0, 0, 4, 4]
+        self.attrs['ends'] = [4, 4, -1, 32]
+        result_dist_attrs = self.rule.infer_forward(
+            self.x_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+
+    def test_slice_infer_backward(self):
+        process_mesh = auto.ProcessMesh(mesh=[[0, 1, 2, 3], [4, 5, 6, 7]])
+
+        output_tensor_dist_attr = TensorDistAttr()
+        output_tensor_dist_attr.dims_mapping = [-1, -1, -1, -1]
+        output_tensor_dist_attr.process_mesh = process_mesh
+        self.output_dist_tensor_spec = DistTensorSpec(
+            [8, 8, 16, 16], output_tensor_dist_attr
+        )
+
+        # axes: [-1]
+        # dims_mapping: [-1, -1, 0, 1] --> [-1, -1, 0, -1], [-1, -1, 0, -1] (output --> input, output)
+        self.output_dist_tensor_spec.set_dims_mapping([-1, -1, 0, 1])
+        self.attrs['axes'] = [-1]
+        self.attrs['starts'] = [4]
+        self.attrs['ends'] = [8]
+        result_dist_attrs = self.rule.infer_backward(
+            self.x_dist_tensor_spec,
+            self.output_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(len(inferred_input_dist_attrs), 1)
+        self.assertEqual(len(inferred_output_dist_attrs), 1)
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, -1, 0, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, -1, 0, -1]
+        )
+
+        # axes: [-1]
+        # dims_mapping: [-1, 1, 0, -1] --> [-1, 1, 0, -1], [-1, 1, 0, -1] (output --> input, output)
+        self.output_dist_tensor_spec.set_dims_mapping([-1, 1, 0, -1])
+        self.attrs['axes'] = [-1]
+        self.attrs['starts'] = [4]
+        self.attrs['ends'] = [-1]
+        result_dist_attrs = self.rule.infer_backward(
+            self.x_dist_tensor_spec,
+            self.output_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, 1, 0, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, 1, 0, -1]
+        )
+
+        # axes: [1, 2]
+        # dims_mapping: [-1, 1, 0, -1] --> [-1, -1, -1, -1], [-1, -1, -1, -1] (output --> input, output)
+        self.output_dist_tensor_spec.set_dims_mapping([-1, 1, 0, -1])
+        self.attrs['axes'] = [1, 2]
+        self.attrs['starts'] = [4, 4]
+        self.attrs['ends'] = [-1, 32]
+        result_dist_attrs = self.rule.infer_backward(
+            self.x_dist_tensor_spec,
+            self.output_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+
+        # axes: [1, 2]
+        # dims_mapping: [0, -1, -1, 1] --> [0, -1, -1, 1], [0, -1, -1, 1] (output --> input, output)
+        self.output_dist_tensor_spec.set_dims_mapping([0, -1, -1, 1])
+        self.attrs['axes'] = [1, 2]
+        self.attrs['starts'] = [4, 4]
+        self.attrs['ends'] = [-1, 32]
+        result_dist_attrs = self.rule.infer_backward(
+            self.x_dist_tensor_spec,
+            self.output_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [0, -1, -1, 1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [0, -1, -1, 1]
+        )
+
+        # axes: [0, 1, 2, 3]
+        # dims_mapping: [0, 1, -1, -1] --> [-1, -1, -1, -1] [-1, -1, -1, -1] (output --> input, output)
+        self.output_dist_tensor_spec.set_dims_mapping([0, 1, -1, -1])
+        self.attrs['axes'] = [0, 1, 2, 3]
+        self.attrs['starts'] = [0, 0, 4, 4]
+        self.attrs['ends'] = [4, 4, -1, 32]
+        result_dist_attrs = self.rule.infer_backward(
+            self.x_dist_tensor_spec,
+            self.output_dist_tensor_spec,
+            self.attrs['axes'],
+            self.attrs['starts'],
+            self.attrs['ends'],
+            self.attrs['infer_flags'],
+            self.attrs['decrease_axis'],
+        )
+        inferred_input_dist_attrs = result_dist_attrs[0]
+        inferred_output_dist_attrs = result_dist_attrs[1]
+
+        self.assertEqual(
+            inferred_input_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+        self.assertEqual(
+            inferred_output_dist_attrs[0].dims_mapping, [-1, -1, -1, -1]
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()