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# Copyright 2021 The HuggingFace Team. 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 accelerate import debug_launcher
from accelerate.test_utils import (
DEFAULT_LAUNCH_COMMAND,
device_count,
execute_subprocess_async,
path_in_accelerate_package,
require_cpu,
require_multi_device,
require_non_cpu,
run_first,
test_sync,
)
from accelerate.test_utils.testing import AccelerateTestCase
from accelerate.utils import patch_environment
class SyncScheduler(AccelerateTestCase):
test_file_path = path_in_accelerate_package("test_utils", "scripts", "test_sync.py")
@require_cpu
def test_gradient_sync_cpu_noop(self):
debug_launcher(test_sync.main, num_processes=1)
@require_cpu
def test_gradient_sync_cpu_multi(self):
debug_launcher(test_sync.main)
@require_non_cpu
def test_gradient_sync_gpu(self):
test_sync.main()
@run_first
@require_multi_device
def test_gradient_sync_gpu_multi(self):
print(f"Found {device_count} devices.")
cmd = DEFAULT_LAUNCH_COMMAND + [self.test_file_path]
with patch_environment(omp_num_threads=1):
execute_subprocess_async(cmd)
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