icefall/icefall/dist.py
pkufool 19c4214958
Fix code style and add copyright. (#18)
* Fix style and add copyright

* Minor fix

* Remove duplicate lines

* Reformat conformer.py by black

* Reformat code style with black.

* Fix github workflows

* Fix lhotse installation

* Install icefall requirements

* Update k2 version, remove lhotse from test workflow
2021-08-23 10:43:59 +08:00

35 lines
1.1 KiB
Python

# Copyright 2021 Xiaomi Corp. (authors: Fangjun Kuang)
#
# See ../../LICENSE for clarification regarding multiple authors
#
# 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 torch
from torch import distributed as dist
def setup_dist(rank, world_size, master_port=None):
os.environ["MASTER_ADDR"] = "localhost"
os.environ["MASTER_PORT"] = (
"12354" if master_port is None else str(master_port)
)
dist.init_process_group("nccl", rank=rank, world_size=world_size)
torch.cuda.set_device(rank)
def cleanup_dist():
dist.destroy_process_group()