megenginelite-sys 1.8.2

/**
 * \file dnn/src/naive/lstm_cell/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/naive/rnn_cell/opr_impl.h"

namespace megdnn {
namespace naive {

class LSTMCellImpl : public LSTMCell {
public:
    using LSTMCell::LSTMCell;
    void exec(
            _megdnn_tensor_in input, _megdnn_tensor_in weight_ih,
            _megdnn_tensor_in bias_ih, _megdnn_tensor_in hx,
            _megdnn_tensor_in weight_hh, _megdnn_tensor_in bias_hh,
            _megdnn_tensor_in cx, _megdnn_tensor_out h_new, _megdnn_tensor_out c_new,
            _megdnn_tensor_out gates, _megdnn_workspace workspace) override;
    size_t get_workspace_in_bytes(
            const TensorLayout& input, const TensorLayout& weight_ih,
            const TensorLayout& bias_ih, const TensorLayout& hx,
            const TensorLayout& weight_hh, const TensorLayout& bias_hh,
            const TensorLayout& cx, const TensorLayout& h_new,
            const TensorLayout& c_new, const TensorLayout& gates) override;

    bool is_thread_safe() const override { return true; }
};

}  // namespace naive
}  // namespace megdnn