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

68 lines
2.1 KiB
Python

# 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.
import os
import shutil
import tempfile
import paddle
from paddle.distributed.fleet.elastic.manager import LauncherInterface
from paddle.distributed.fleet.launch_utils import (
logger,
pull_worker_log,
start_local_trainers,
)
class CollectiveLauncher(LauncherInterface):
def __init__(self, args):
self.args = args
self.procs = []
def launch(self):
logger.info("collective launcher launch ...")
args = self.args
self.tmp_dir = tempfile.mkdtemp()
cluster, pod = paddle.distributed.fleet.launch.get_cluster_info(args)
global_envs = paddle.distributed.fleet.launch.get_global_envs(
args, self.tmp_dir
)
self.procs = start_local_trainers(
cluster,
pod,
training_script=args.training_script,
training_script_args=args.training_script_args,
log_dir=args.log_dir,
envs=global_envs,
)
for idx, proc in enumerate(self.procs):
logger.info(f"launch proc_id:{proc.proc.pid} idx:{idx}")
def stop(self):
logger.info("collective launcher stop ...")
if not self._terminate_procs():
logger.error("kill process failed")
if os.path.exists(self.tmp_dir):
shutil.rmtree(self.tmp_dir)
def watch(self):
logger.debug("collective launcher watch ...")
for p in self.procs:
if p.log_fn and p.local_rank == 0:
pull_worker_log(p)
ret = self._check_procs()
return ret