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paddlepaddle--paddle/test/collective/test_comm_group_num.py
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2026-07-13 12:40:42 +08:00

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# Copyright (c) 2025 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
import numpy as np
import paddle
from paddle.distributed import fleet
from paddle.distributed.fleet.base import topology as tp
from paddle.distributed.fleet.layers.mpu import mp_ops
class CommGroupNumTest(unittest.TestCase):
def test_comm_group_num(self):
strategy = fleet.DistributedStrategy()
strategy.hybrid_configs = {
"dp_degree": 1,
"mp_degree": 2,
"pp_degree": 2,
"sharding_degree": 2,
"order": ["dp", "pp", "sharding", "sep", "mp"],
}
fleet.init(is_collective=True, strategy=strategy)
place = paddle.framework._current_expected_place()
input = np.random.uniform(
low=-2.0, high=2.0, size=(1, 4096, 16000)
).astype('float32')
input = paddle.to_tensor(input, place=place)
input.stop_gradient = False
label = np.random.randint(
low=1, high=29956, size=(1, 4096, 1), dtype='int64'
)
label = paddle.to_tensor(label, place=place)
label.stop_gradient = True
model_parallel_group = (
tp._HYBRID_PARALLEL_GROUP.get_model_parallel_group()
)
loss = mp_ops._c_softmax_with_cross_entropy(
input,
label,
group=model_parallel_group,
ignore_index=-100,
)
if __name__ == '__main__':
unittest.main()