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paddlepaddle--paddle/test/auto_parallel/spmd_rules/test_mean_all_rule.py
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2026-07-13 12:40:42 +08:00

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Python

# 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 paddle.distributed.auto_parallel.static.dist_attribute import (
DistTensorSpec,
TensorDistAttr,
)
from paddle.distributed.fleet import auto
from paddle.framework import core
class TestMeanAllSPMDRule(unittest.TestCase):
def setUp(self):
self.rule = core.get_phi_spmd_rule("mean_all")
x_shape = [4, 8]
out_shape = []
process_mesh = auto.ProcessMesh(mesh=[[0, 1], [2, 3]])
x_tensor_dist_attr = TensorDistAttr()
x_tensor_dist_attr.dims_mapping = [1, 0]
x_tensor_dist_attr.process_mesh = process_mesh
self.x_dist_tensor_spec = DistTensorSpec(x_shape, x_tensor_dist_attr)
out_tensor_dist_attr = TensorDistAttr()
out_tensor_dist_attr.dims_mapping = []
out_tensor_dist_attr.process_mesh = process_mesh
self.out_dist_tensor_spec = DistTensorSpec(
out_shape, out_tensor_dist_attr
)
def test_infer_forward(self):
# [0, -1] --> [], partial_on_dim:[0]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(self.x_dist_tensor_spec)
self.assertEqual(len(result_dist_attrs), 2)
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, [0, -1])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {0})
def test_infer_backward(self):
# [] --> [-1, -1], []
self.out_dist_tensor_spec.shape = []
self.out_dist_tensor_spec.set_dims_mapping([])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
)
self.assertEqual(len(result_dist_attrs), 2)
inferred_input_dist_attrs = result_dist_attrs[0]
inferred_output_dist_attrs = result_dist_attrs[1]
self.assertEqual(len(inferred_input_dist_attrs), 2)
self.assertEqual(len(inferred_output_dist_attrs), 1)
self.assertEqual(inferred_input_dist_attrs[0].dims_mapping, [-1, -1])
self.assertEqual(inferred_input_dist_attrs[1].dims_mapping, [])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, -1])
if __name__ == "__main__":
unittest.main()