# Copyright (c) 2022 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.from__future__importprint_functionimportosimportunittestimportpaddle.fluidasfluidfromtest_parallel_dygraph_dataparallelimportTestMultipleGpusclassTestCollectiveAllToAllSingle(TestMultipleGpus):deftest_collective_alltoall_single(self):self.run_mnist_2gpu('collective_alltoall_single.py',eager_mode=True)if__name__=="__main__":os.environ["FLAGS_enable_eager_mode"]="1"unittest.main()