29 lines
975 B
Python
29 lines
975 B
Python
|
#
|
||
|
|
# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
|
||
|
|
# This file is a part of the vllm-ascend project.
|
||
|
|
#
|
||
|
|
# 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 torch
|
||
|
|
import torch.distributed as dist
|
||
|
|
from vllm.distributed.device_communicators.base_communicator import \
|
||
|
|
CommunicatorBase
|
||
|
|
|
||
|
|
|
||
|
|
class NPUCommunicator(CommunicatorBase):
|
||
|
|
|
||
|
|
def all_reduce(self, x: torch.Tensor) -> torch.Tensor:
|
||
|
|
dist.all_reduce(x, group=self.group)
|
||
|
|
return x
|