# Copyright (c) 2020 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.fromx2paddle.optimizer.pytorch_optimizer.fusionimport*fromx2paddle.optimizer.pytorch_optimizer.pass_managerimportPassManagerclassGraphOptimizer(object):def__init__(self):self.passes=["constant_fuse_pass","batchnorm2d_fuse_pass","interpolate_bilinear_fuse_pass","fc_fuse_pass","adaptive_pool2d_fuse_pass","reshape_fuse_pass","dropout_fuse_pass"]defoptimize(self,graph):forpass_nameinself.passes:pass_=PassManager.lookup(pass_name)()pass_.apply(graph)print("{} done!".format(pass_name))returngraph