1# Copyright 2021 Huawei Technologies Co., Ltd 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# ============================================================================ 15"""Generate vm_impl function for nn ops without python object""" 16from mindspore.common.tensor import Tensor 17from .vm_interface import vm 18 19def ReluGrad(y_backprop, x): 20 x = x.asnumpy() 21 y_backprop = y_backprop.asnumpy() 22 y_backprop = vm.relu_grad(x.copy()) * y_backprop 23 return Tensor(y_backprop) 24