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

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# Copyright (c) 2021 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.
from ..utils.hybrid_parallel_util import (
broadcast_dp_parameters,
broadcast_input_data,
broadcast_moe_sharding_parameters,
broadcast_mp_parameters,
broadcast_sep_parameters,
broadcast_sharding_parameters,
)
from ..utils.log_util import logger
from .meta_parallel_base import MetaParallelBase
__all__ = []
class TensorParallel(MetaParallelBase):
def __init__(self, layers, hcg, **kwargs):
super().__init__(layers, hcg, **kwargs)
def _prepare_for_model(self):
logger.info("start broadcast mp parameters")
broadcast_mp_parameters(self._layers, self._hcg)
if self._hcg.get_sep_parallel_world_size() > 1:
logger.info("start broadcast sep parameters")
broadcast_sep_parameters(self._layers, self._hcg, fuse_params=False)
if self._hcg.get_sharding_parallel_world_size() > 1:
logger.info("start broadcast sharding parameters")
broadcast_sharding_parameters(
self._layers, self._hcg, fuse_params=False
)
if self._hcg.get_data_parallel_world_size() > 1:
logger.info("start broadcast dp parameters")
broadcast_dp_parameters(self._layers, self._hcg, fuse_params=False)
if self._hcg.get_moe_sharding_parallel_world_size() > 1:
logger.info("start broadcast moe sharding parameters")
broadcast_moe_sharding_parameters(
self._layers, self._hcg, fuse_params=False
)
logger.info("mp's parameters is ready")
def _pre_forward(self, *inputs, **kwargs):
need_broadcast_data = True
if self._strategy is not None:
mp_configs = self._strategy.hybrid_configs["mp_configs"]
need_broadcast_data = mp_configs.need_broadcast_data
if need_broadcast_data:
logger.debug("mp start broadcast input data")
return broadcast_input_data(self._hcg, *inputs, **kwargs)