Files
paddlepaddle--paddlenlp/paddlenlp/transformers/context_parallel_utils.py
T
wehub-resource-sync 2aaeece67c
Codestyle Check / Lint (push) Has been cancelled
Codestyle Check / Check bypass (push) Has been cancelled
Pipelines-Test / Pipelines-Test (push) Has been cancelled
chore: import upstream snapshot with attribution
2026-07-13 13:37:14 +08:00

85 lines
3.4 KiB
Python

# Copyright (c) 2024 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.
# 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 paddle
from paddle.distributed.auto_parallel.ring_attention import shard_seq_load_balance
from paddle.distributed.fleet import fleet
def split_inputs_sequence_dim_load_balance(inputs, rank=None, degree=None):
if degree is None and rank is None:
_hcg = fleet.get_hybrid_communicate_group()
degree = _hcg.get_sep_parallel_world_size()
rank = _hcg.get_sep_parallel_rank()
assert isinstance(degree, int) and isinstance(
rank, int
), f"degree:{type(degree)} and rank:{type(rank)} must be int"
if degree <= 1:
return inputs
def do_split_sequence_dim_load_balance(data, rank, degree):
if data is None:
return None
assert isinstance(data, paddle.Tensor), f"data should be paddle.Tensor, but is type:{type(data)}"
assert len(data.shape) == 2, f"data dims should be 2, but shaped: {data.shape}"
sliced_datas = paddle.split(data, num_or_sections=degree * 2, axis=-1)
sliced_data0, sliced_data1 = sliced_datas[rank], sliced_datas[degree * 2 - 1 - rank]
return paddle.concat([sliced_data0, sliced_data1], axis=-1)
if isinstance(inputs, paddle.Tensor):
return do_split_sequence_dim_load_balance(inputs, rank, degree)
elif isinstance(inputs, dict):
res = {}
for k, tensor in inputs.items():
res[k] = do_split_sequence_dim_load_balance(tensor, rank, degree)
elif isinstance(inputs, list):
res = []
for tensor in inputs:
res.append(do_split_sequence_dim_load_balance(tensor, rank, degree))
else:
raise ValueError(f"the inputs should be a list or a dict, but is type: {type(inputs)}")
return res
def auto_split_sequence_dim_load_balance(inputs):
"""
for auto_parallel mode
"""
if isinstance(inputs, paddle.Tensor):
return shard_seq_load_balance(inputs, 1)
elif isinstance(inputs, dict):
res = {}
for k, tensor in inputs.items():
res[k] = shard_seq_load_balance(tensor, 1)
elif isinstance(inputs, list):
res = []
for tensor in inputs:
res.append(shard_seq_load_balance(tensor, 1))
else:
raise ValueError(f"the inputs should be a list or a dict, but is type: {type(inputs)}")
return res