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2026-07-13 12:40:42 +08:00

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# 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 TestFlattenSPMDRule(unittest.TestCase):
def setUp(self):
self.rule = core.get_phi_spmd_rule("flatten")
x_shape = [8, 16, 8, 24]
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()
def test_flatten_infer_forward(self):
# shape: [8, 16, 8, 24] --> [8, 16 * 8, 24]
# dims_mapping: [0, -1, -1, 1] --> [0, -1, -1, 1], ([0, -1, 1], [-1, 0, -1, -1, 1] // xshape)
self.x_dist_tensor_spec.set_dims_mapping([0, -1, -1, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = 2
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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, [0, -1, -1, 1]
)
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0, -1, 1])
# shape: [8, 16, 8, 24] --> [8, 16 * 8, 24]
# dims_mapping: [-1, 0, -1, 1] --> [-1, 0, -1, 1] ([ -1, 0, 1])
self.x_dist_tensor_spec.set_dims_mapping([-1, 0, -1, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = 2
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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, 0, -1, 1]
)
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, 0, 1])
# shape: [8, 16, 8, 24] --> [8, 16 * 8, 24]
# dims_mapping: [-1, -1, 1, 0] --> [-1, -1, -1, 0] ([ -1, -1, 0])
self.x_dist_tensor_spec.set_dims_mapping([-1, -1, 1, 0])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = 2
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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, 0]
)
self.assertEqual(
inferred_output_dist_attrs[0].dims_mapping, [-1, -1, 0]
)
# shape: [8, 16, 8, 24] --> [8 * 16 * 8 * 24]
# dims_mapping: [-1, 0, 1, -1] --> [-1, -1, -1, -1] ([ -1])
self.x_dist_tensor_spec.set_dims_mapping([-1, 0, 1, -1])
self.attrs['start_axis'] = 0
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8 * 16 * 8 * 24]
# dims_mapping: [0, -1, -1, 1] --> [0, -1, -1, -1] ([0])
self.x_dist_tensor_spec.set_dims_mapping([0, -1, -1, 1])
self.attrs['start_axis'] = 0
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8 * 16 * 8 * 24]
# dims_mapping: [1, 0, -1, -1] --> [1, -1, -1, -1] ([1])
self.x_dist_tensor_spec.set_dims_mapping([1, 0, -1, -1])
self.attrs['start_axis'] = 0
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_axis'],
)
inferred_input_dist_attrs = result_dist_attrs[0]
inferred_output_dist_attrs = result_dist_attrs[1]
self.assertEqual(
inferred_input_dist_attrs[0].multi_dims_mapping,
[[1, 0], [], [], []],
)
self.assertEqual(
inferred_output_dist_attrs[0].multi_dims_mapping, [[1, 0]]
)
# shape: [8, 16, 8, 24] --> [8, 16 * 8 * 24]
# dims_mapping: [-1, -1, 0, 1] --> [-1, -1, -1, -1] ([-1, -1])
self.x_dist_tensor_spec.set_dims_mapping([-1, -1, 0, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8, 16 * 8 * 24]
# dims_mapping: [-1, 0, -1, 1] --> [-1, 0, -1, -1] ([-1, 0])
self.x_dist_tensor_spec.set_dims_mapping([-1, 0, -1, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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, 0, -1, -1]
)
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, 0])
# shape: [8, 16, 8, 24] --> [8, 16 * 8 * 24]
# dims_mapping: [0, 1, -1, -1] --> [0, 1, -1, -1] ([0, 1])
self.x_dist_tensor_spec.set_dims_mapping([0, 1, -1, -1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
def test_flatten_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]
output_tensor_dist_attr.process_mesh = process_mesh
self.output_dist_tensor_spec = DistTensorSpec(
[8, 16 * 8, 24], output_tensor_dist_attr
)
# shape: [8, 16, 8, 24] --> [8, 16 * 8, 24] (input --> output)
# dims_mapping: [0, -1, 1] --> [0, -1, -1, 1], [0, -1, 1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8, 16 * 8, 24]
self.output_dist_tensor_spec.set_dims_mapping([0, -1, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = 2
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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, [0, -1, -1, 1]
)
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0, -1, 1])
# shape: [8, 16, 8, 24] --> [8, 16 * 8, 24] (input --> output)
# dims_mapping: [0, 1, -1] --> [0, 1, -1, -1], [0, 1, -1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8, 16 * 8, 24]
self.output_dist_tensor_spec.set_dims_mapping([0, 1, -1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = 2
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8, 16 * 8, 24] (input --> output)
# dims_mapping: [-1, 0, 1] --> [-1, 0, -1, 1], [-1, 0, 1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8, 16 * 8, 24]
self.output_dist_tensor_spec.set_dims_mapping([-1, 0, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = 2
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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, 0, -1, 1]
)
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, 0, 1])
# shape: [8, 16, 8, 24] --> [8 * 16 * 8 * 24] (input --> output)
# dims_mapping: [-1] --> [-1, -1, -1, -1], [-1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8 * 16 * 8 * 24]
self.output_dist_tensor_spec.set_dims_mapping([-1])
self.attrs['start_axis'] = 0
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8 * 16 * 8 * 24] (input --> output)
# dims_mapping: [0] --> [0, -1, -1, -1], [0] (output --> input, output)
self.output_dist_tensor_spec.shape = [8 * 16 * 8 * 24]
self.output_dist_tensor_spec.set_dims_mapping([0])
self.attrs['start_axis'] = 0
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8 * 16 * 8 * 24] (input --> output)
# dims_mapping: [1] --> [1, -1, -1, -1], [1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8 * 16 * 8 * 24]
self.output_dist_tensor_spec.set_dims_mapping([1])
self.attrs['start_axis'] = 0
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8, 16 * 8 * 24] (input --> output)
# dims_mapping: [-1, -1] --> [-1, -1, -1, -1], [-1, -1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8, 16 * 8 * 24]
self.output_dist_tensor_spec.set_dims_mapping([-1, -1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8, 16 * 8 * 24] (input --> output)
# dims_mapping: [0, -1] --> [0, -1, -1, -1], [0, -1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8, 16 * 8 * 24]
self.output_dist_tensor_spec.set_dims_mapping([0, -1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
# shape: [8, 16, 8, 24] --> [8, 16 * 8 * 24] (input --> output)
# dims_mapping: [0, 1] --> [0, 1, -1, -1], [0, 1] (output --> input, output)
self.output_dist_tensor_spec.shape = [8, 16 * 8 * 24]
self.output_dist_tensor_spec.set_dims_mapping([0, 1])
self.attrs['start_axis'] = 1
self.attrs['stop_axis'] = -1
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.output_dist_tensor_spec,
self.attrs['start_axis'],
self.attrs['stop_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])
if __name__ == "__main__":
unittest.main()