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1 /*
2  * Copyright (c) 2019-2020 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #ifndef ARM_COMPUTE_CLDEPTHWISECONVOLUTIONLAYERRESHAPEWEIGHTSKERNEL_H
25 #define ARM_COMPUTE_CLDEPTHWISECONVOLUTIONLAYERRESHAPEWEIGHTSKERNEL_H
26 
27 #include "src/core/CL/ICLKernel.h"
28 
29 namespace arm_compute
30 {
31 class ICLTensor;
32 
33 /** Interface for the kernel to reshape the weights of depthwise convolution. */
34 class CLDepthwiseConvolutionLayerReshapeWeightsKernel : public ICLKernel
35 {
36 public:
37     /** Default constructor */
38     CLDepthwiseConvolutionLayerReshapeWeightsKernel();
39     /** Prevent instances of this class from being copied (As this class contains pointers) */
40     CLDepthwiseConvolutionLayerReshapeWeightsKernel(const CLDepthwiseConvolutionLayerReshapeWeightsKernel &) = delete;
41     /** Prevent instances of this class from being copied (As this class contains pointers) */
42     CLDepthwiseConvolutionLayerReshapeWeightsKernel &operator=(const CLDepthwiseConvolutionLayerReshapeWeightsKernel &) = delete;
43     /** Default Move Constructor. */
44     CLDepthwiseConvolutionLayerReshapeWeightsKernel(CLDepthwiseConvolutionLayerReshapeWeightsKernel &&) = default;
45     /** Default move assignment operator */
46     CLDepthwiseConvolutionLayerReshapeWeightsKernel &operator=(CLDepthwiseConvolutionLayerReshapeWeightsKernel &&) = default;
47 
48     /** Initialize the function's source and destination.
49      *
50      * @param[in]  input  The input tensor of dimension [IFM, W, H]. Data types supported: All. Data layouts supported: NHWC
51      * @param[out] output The output tensor of dimension [W*H*C0, ceil(IFM/C0)]. C0 is the number of channels read by each thread. Data types supported: same as @p weights.
52      * @param[in]  info   Depthwise convolution information to reshape the input tensor.
53      */
54     void configure(const ICLTensor *input, ICLTensor *output, const DepthwiseConvolutionReshapeInfo &info);
55     /** Initialize the function's source and destination.
56      *
57      * @param[in]  compile_context The compile context to be used.
58      * @param[in]  input           The input tensor of dimension [IFM, W, H]. Data types supported: All. Data layouts supported: NHWC
59      * @param[out] output          The output tensor of dimension [W*H*C0, ceil(IFM/C0)]. C0 is the number of channels read by each thread. Data types supported: same as @p weights.
60      * @param[in]  info            Depthwise convolution information to reshape the input tensor.
61      */
62     void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, const DepthwiseConvolutionReshapeInfo &info);
63 
64     /** Static function to check if given info will lead to a valid configuration of @ref CLDepthwiseConvolutionLayer3x3NHWCKernel
65      *
66      * @param[in] input  The input tensor info of dimension [IFM, W, H]. Data types supported: All. Data layouts supported: NHWC
67      * @param[in] output The output tensor info of dimension [W*H*C0, ceil(IFM/C0)]. C0 is the number of channels read by each thread. Data types supported: same as @p weights.
68      * @param[in] info   Depthwise convolution information to reshape the input tensor.
69      *
70      * @return a Status
71      */
72     static Status validate(const ITensorInfo *input, const ITensorInfo *output, const DepthwiseConvolutionReshapeInfo &info);
73 
74     // Inherited methods overridden:
75     void run(const Window &window, cl::CommandQueue &queue) override;
76 
77 private:
78     const ICLTensor *_input;
79     ICLTensor       *_output;
80 
81     void configure_dot_product(const DepthwiseConvolutionReshapeInfo &info);
82     void configure_generic(const DepthwiseConvolutionReshapeInfo &info);
83 };
84 } // namespace arm_compute
85 #endif /* ARM_COMPUTE_CLDEPTHWISECONVOLUTIONLAYERRESHAPEWEIGHTSKERNEL_H */
86