/** * \file dnn/src/cuda/layer_norm/opr_impl.h * MegEngine is Licensed under the Apache License, Version 2.0 (the "License") * * Copyright (c) 2014-2021 Megvii Inc. All rights reserved. * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. */ #pragma once #include "megdnn/oprs.h" #include "src/cuda/cudnn_wrapper.h" namespace megdnn { namespace cuda { class LayerNormForwardImpl final : public LayerNormForward { public: using LayerNormForward::LayerNormForward; void exec( _megdnn_tensor_in data, _megdnn_tensor_in weight, _megdnn_tensor_in bias, _megdnn_tensor_out dst, _megdnn_tensor_out mean, _megdnn_tensor_out rstd, _megdnn_workspace workspace) override; size_t get_workspace_in_bytes( const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&) override { return 0; } }; class LayerNormBackwardImpl final : public LayerNormBackward { public: using LayerNormBackward::LayerNormBackward; void exec( _megdnn_tensor_in diff, _megdnn_tensor_in data, _megdnn_tensor_in weight, _megdnn_tensor_in mean, _megdnn_tensor_in rstd, _megdnn_tensor_out ddata, _megdnn_tensor_out dweight, _megdnn_tensor_out dbias, _megdnn_workspace workspace) override; size_t get_workspace_in_bytes( const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&, const TensorLayout&) override { return 0; } }; } // namespace cuda } // namespace megdnn // vim: syntax=cpp.doxygen