1 // Tencent is pleased to support the open source community by making ncnn available.
2 //
3 // Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
4 //
5 // Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
6 // in compliance with the License. You may obtain a copy of the License at
7 //
8 // https://opensource.org/licenses/BSD-3-Clause
9 //
10 // Unless required by applicable law or agreed to in writing, software distributed
11 // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
12 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
13 // specific language governing permissions and limitations under the License.
14 
15 #ifndef LAYER_LSTM_ARM_H
16 #define LAYER_LSTM_ARM_H
17 
18 #include "lstm.h"
19 
20 namespace ncnn {
21 
22 class LSTM_arm : virtual public LSTM
23 {
24 public:
25     LSTM_arm();
26 
27     virtual int create_pipeline(const Option& opt);
28     virtual int forward(const Mat& bottom_blob, Mat& top_blob, const Option& opt) const;
29     virtual int forward(const std::vector<Mat>& bottom_blobs, std::vector<Mat>& top_blobs, const Option& opt) const;
30 
31 protected:
32 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
33     int create_pipeline_fp16s(const Option& opt);
34     int forward_fp16s(const Mat& bottom_blob, Mat& top_blob, const Option& opt) const;
35     int forward_fp16s(const std::vector<Mat>& bottom_blobs, std::vector<Mat>& top_blobs, const Option& opt) const;
36     int forward_fp16sa(const Mat& bottom_blob, Mat& top_blob, const Option& opt) const;
37     int forward_fp16sa(const std::vector<Mat>& bottom_blobs, std::vector<Mat>& top_blobs, const Option& opt) const;
38 #endif
39     int create_pipeline_bf16s(const Option& opt);
40     int forward_bf16s(const Mat& bottom_blob, Mat& top_blob, const Option& opt) const;
41     int forward_bf16s(const std::vector<Mat>& bottom_blobs, std::vector<Mat>& top_blobs, const Option& opt) const;
42 
43 public:
44     Mat weight_xc_data_packed;
45     Mat bias_c_data_packed;
46     Mat weight_hc_data_packed;
47 };
48 
49 } // namespace ncnn
50 
51 #endif // LAYER_LSTM_ARM_H
52