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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 TestReductionSPMDRule(unittest.TestCase):
"""
Unit tests for reduction spmd rule.
"""
def config(self):
self.kernel = "max"
def setUp(self):
self.config()
self.rule = core.get_phi_spmd_rule(self.kernel)
x_shape = [64, 32]
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)
self.out_dist_tensor_spec = DistTensorSpec(self.x_dist_tensor_spec)
self.attrs = OrderedDict([('axis', [0]), ('keep_dim', False)])
def test_single_mesh_dim(self):
# reduce on dim 0, keep_dim = false
# [0, -1] --> [0, -1], [-1], partial_on_dim:[0]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [0]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
inferred_input_dist_attrs = result_dist_attrs[0]
inferred_output_dist_attrs = result_dist_attrs[1]
self.assertEqual(len(result_dist_attrs), 2)
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, [-1])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {0})
# reduce on dim 0, keep_dim = true
# [0, -1] --> [0, -1], [-1, -1], partial_on_dim:[0]
self.attrs['keep_dim'] = True
self.attrs['axis'] = [0]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, -1])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {0})
# reduce on dim 1, keep_dim = false
# [0, -1] --> [0, -1], [0], partial_on_dim:[]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), False)
# reduce on dim 1, keep_dim = true
# [0, -1] --> [0, -1], [0, -1], partial_on_dim:[]
self.attrs['keep_dim'] = True
self.attrs['axis'] = [1]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0, -1])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), False)
# reduce on dim 0 and 1, keep_dim = false
# [0, -1] --> [0, -1], [], partial_on_dim:[0]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [0, 1]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
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})
# reduce on dim 0 and 1, keep_dim = true
# [0, -1] --> [0, -1], [-1, -1], partial_on_dim:[0]
self.attrs['keep_dim'] = True
self.attrs['axis'] = [0, 1]
self.x_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, -1])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {0})
def test_multi_mesh_dim(self):
process_mesh = auto.ProcessMesh(mesh=[[0, 1, 2], [3, 4, 5]])
self.x_dist_tensor_spec.set_process_mesh(process_mesh)
self.x_dist_tensor_spec.shape = [96, 24, 48]
# reduce on dim 1, 2, keep_dim = false
# [0, -1, -1] --> [0, -1, -1], [0], partial_on_dim:[]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.x_dist_tensor_spec.set_dims_mapping([0, -1, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
inferred_input_dist_attrs = result_dist_attrs[0]
inferred_output_dist_attrs = result_dist_attrs[1]
self.assertEqual(len(result_dist_attrs), 2)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), False)
# reduce on dim 1, 2, keep_dim = false
# [-1, 0, 1] --> [-1, 0, 1], [-1], partial_on_dim:[0, 1]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.x_dist_tensor_spec.set_dims_mapping([-1, 0, 1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {0, 1})
inferred_output_dist_attrs[0]._clean_partial_status()
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), False)
# reduction on dim 1, 2, keep_dim = false
# [1, -1, -1] --> [1, -1, -1], [1], partial_on_dim:[]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.x_dist_tensor_spec.set_dims_mapping([1, -1, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [1])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), False)
# reduction on dim 1, 2, keep_dim = false
# [0, 1, -1] --> [0, 1, -1], [0], partial_on_dim:[1]
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.x_dist_tensor_spec.set_dims_mapping([0, 1, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0])
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {1})
inferred_output_dist_attrs[0]._clean_partial_status()
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), False)
# reduction on dim 1, 2, keep_dim = true
# [0, 1, -1] --> [0, 1, -1], [0, -1, -1], partial_on_dim:[1]
self.attrs['keep_dim'] = True
self.attrs['axis'] = [1, 2]
self.x_dist_tensor_spec.set_dims_mapping([0, 1, -1])
result_dist_attrs = self.rule.infer_forward(
self.x_dist_tensor_spec, self.attrs['axis'], self.attrs['keep_dim']
)
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])
self.assertEqual(
inferred_output_dist_attrs[0].dims_mapping, [0, -1, -1]
)
self.assertEqual(inferred_output_dist_attrs[0]._is_partial(), True)
self.assertEqual(inferred_output_dist_attrs[0]._partial_dims(), {1})
def test_backward_single_mesh_dim(self):
# reduce on dim 0, keep_dim = false
# [-1] --> [-1, -1], [-1] (output --> input, output)
self.attrs['keep_dim'] = False
self.attrs['axis'] = [0]
self.out_dist_tensor_spec.shape = [32]
self.out_dist_tensor_spec.set_dims_mapping([-1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
inferred_input_dist_attrs = result_dist_attrs[0]
inferred_output_dist_attrs = result_dist_attrs[1]
self.assertEqual(len(result_dist_attrs), 2)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1])
# reduce on dim 0, keep_dim = true
# [-1, -1] --> [-1, -1], [-1, -1] (output --> input, output)
self.attrs['keep_dim'] = True
self.attrs['axis'] = [0]
self.out_dist_tensor_spec.shape = [1, 32]
self.out_dist_tensor_spec.set_dims_mapping([-1, -1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, -1])
# reduce on dim 1, keep_dim = false
# [0] --> [0, -1], [0] (output --> input, output)
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1]
self.out_dist_tensor_spec.shape = [64]
self.out_dist_tensor_spec.set_dims_mapping([0])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0])
# reduce on dim 1, keep_dim = true
# [0, -1] --> [0, -1], [0, -1] (output --> input, output)
self.attrs['keep_dim'] = True
self.attrs['axis'] = [1]
self.out_dist_tensor_spec.shape = [64, 1]
self.out_dist_tensor_spec.set_dims_mapping([0, -1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0, -1])
# reduce on dim 0 and 1, keep_dim = false
# [] --> [-1, -1], [] (output --> input, output)
self.attrs['keep_dim'] = False
self.attrs['axis'] = [0, 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.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [])
# reduce on dim 0 and 1, keep_dim = true
# [-1, -1] --> [-1, -1], [-1, -1] (output --> input, output)
self.attrs['keep_dim'] = True
self.attrs['axis'] = [0, 1]
self.out_dist_tensor_spec.shape = [1, 1]
self.out_dist_tensor_spec.set_dims_mapping([-1, -1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1, -1])
def test_backward_multi_mesh_dim(self):
process_mesh = auto.ProcessMesh(mesh=[[0, 1, 2], [3, 4, 5]])
self.x_dist_tensor_spec.set_process_mesh(process_mesh)
self.x_dist_tensor_spec.shape = [96, 24, 48]
self.out_dist_tensor_spec.set_process_mesh(process_mesh)
# reduce on dim 1, 2, keep_dim = false
# [0] --> [0, -1, -1], [0] (output --> input, output)
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.out_dist_tensor_spec.shape = [96]
self.out_dist_tensor_spec.set_dims_mapping([0])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
inferred_input_dist_attrs = result_dist_attrs[0]
inferred_output_dist_attrs = result_dist_attrs[1]
self.assertEqual(len(result_dist_attrs), 2)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [0])
# reduce on dim 1, 2, keep_dim = false
# [-1] --> [-1, -1, -1], [-1] (output --> input, output)
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.out_dist_tensor_spec.shape = [96]
self.out_dist_tensor_spec.set_dims_mapping([-1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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]
)
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [-1])
# reduction on dim 1, 2, keep_dim = false
# [1] --> [1, -1, -1], [1] (output --> input, output)
self.attrs['keep_dim'] = False
self.attrs['axis'] = [1, 2]
self.out_dist_tensor_spec.shape = [96]
self.out_dist_tensor_spec.set_dims_mapping([1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(inferred_output_dist_attrs[0].dims_mapping, [1])
# reduction on dim 1, 2, keep_dim = true
# [0, -1, -1] --> [0, -1, -1], [0, -1, -1] (output --> input, output)
self.attrs['keep_dim'] = True
self.attrs['axis'] = [1, 2]
self.out_dist_tensor_spec.shape = [96, 1, 1]
self.out_dist_tensor_spec.set_dims_mapping([0, -1, -1])
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(
inferred_output_dist_attrs[0].dims_mapping, [0, -1, -1]
)
def test_backward_multi_mesh_dim_partial(self):
# reduction on dim 1, 2, keep_dim = true, partial_dim=[1]
# [0, -1, -1] --> [0, -1, -1], [0, -1, -1] (output --> input, output)
# output partial_dim: [1], input partial_dim: []
out_shape = [96, 1, 1]
process_mesh = auto.ProcessMesh(mesh=[[0, 1, 2], [3, 4, 5]])
self.x_dist_tensor_spec.set_process_mesh(process_mesh)
self.x_dist_tensor_spec.shape = [96, 24, 48]
out_tensor_dist_attr = TensorDistAttr()
out_tensor_dist_attr.dims_mapping = [0, -1, -1]
out_tensor_dist_attr.process_mesh = process_mesh
out_tensor_dist_attr._set_partial_dims([1])
self.out_dist_tensor_spec = DistTensorSpec(
out_shape, out_tensor_dist_attr
)
self.attrs['keep_dim'] = True
self.attrs['axis'] = [1, 2]
result_dist_attrs = self.rule.infer_backward(
self.x_dist_tensor_spec,
self.out_dist_tensor_spec,
self.attrs['axis'],
self.attrs['keep_dim'],
)
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])
self.assertEqual(
inferred_output_dist_attrs[0].dims_mapping, [0, -1, -1]
)
self.assertEqual(inferred_input_dist_attrs[0]._is_partial(), False)
class TestSquaredL2NormSPMDRule(TestReductionSPMDRule):
"""
Unit tests for squared_l2_norm spmd rule.
"""
def config(self):
self.kernel = "squared_l2_norm"
if __name__ == "__main__":
unittest.main()