40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
|
|
#
|
|
#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 os
|
|
import paddle
|
|
import paddle.fluid as fluid
|
|
import paddle.fluid.framework as pff
|
|
|
|
trainers_num = int(os.environ.get('PADDLE_TRAINERS_NUM', 1))
|
|
trainer_id = int(os.environ.get("PADDLE_TRAINER_ID", 0))
|
|
|
|
|
|
def place():
|
|
gpu_id = int(os.environ.get('FLAGS_selected_gpus', 0))
|
|
return fluid.CUDAPlace(gpu_id)
|
|
|
|
|
|
def places():
|
|
"""
|
|
Returns available running places, the numbers are usually
|
|
indicated by 'export CUDA_VISIBLE_DEVICES= '
|
|
Args:
|
|
"""
|
|
|
|
if trainers_num <= 1:
|
|
return pff.cuda_places()
|
|
else:
|
|
return place()
|