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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 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()