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1 /*
2  * Copyright (c) 2018-2020 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_CL_REDUCE_MEAN_H
25 #define ARM_COMPUTE_CL_REDUCE_MEAN_H
26 
27 #include "arm_compute/runtime/CL/ICLSimpleFunction.h"
28 #include "arm_compute/runtime/CL/functions/CLDequantizationLayer.h"
29 #include "arm_compute/runtime/CL/functions/CLElementwiseOperations.h"
30 #include "arm_compute/runtime/CL/functions/CLQuantizationLayer.h"
31 #include "arm_compute/runtime/CL/functions/CLReductionOperation.h"
32 #include "arm_compute/runtime/CL/functions/CLReshapeLayer.h"
33 #include "arm_compute/runtime/IMemoryManager.h"
34 
35 namespace arm_compute
36 {
37 // Forward Declarations
38 class ICLTensor;
39 
40 /** Basic function to perform reduce operation */
41 class CLReduceMean : public IFunction
42 {
43 public:
44     /** Default constructor */
45     CLReduceMean(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
46     /** Configure kernel
47      *
48      * @note Supported tensor rank: up to 4
49      *
50      * @param[in]  input          Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32
51      * @param[in]  reduction_axis Reduction axis vector.
52      * @param[in]  keep_dims      If positive, retains reduced dimensions with length 1.
53      * @param[out] output         Destination tensor. Data type supported: Same as @p input
54      */
55     void configure(ICLTensor *input, const Coordinates &reduction_axis, bool keep_dims, ICLTensor *output);
56     /** Configure kernel
57      *
58      * @note Supported tensor rank: up to 4
59      *
60      * @param[in]  compile_context The compile context to be used.
61      * @param[in]  input           Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32
62      * @param[in]  reduction_axis  Reduction axis vector.
63      * @param[in]  keep_dims       If positive, retains reduced dimensions with length 1.
64      * @param[out] output          Destination tensor. Data type supported: Same as @p input
65      */
66     void configure(const CLCompileContext &compile_context, ICLTensor *input, const Coordinates &reduction_axis, bool keep_dims, ICLTensor *output);
67 
68     /** Static function to check if given info will lead to a valid configuration of @ref CLReduceMean
69      *
70      * @param[in] input          Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32
71      * @param[in] reduction_axis Reduction axis vector.
72      * @param[in] keep_dims      If positive, retains reduced dimensions with length 1.
73      * @param[in] output         Destination tensor. Data type supported: Same as @p input
74      *
75      * @return A status
76      */
77     static Status validate(const ITensorInfo *input, const Coordinates &reduction_axis, bool keep_dims, const ITensorInfo *output);
78 
79     // Inherited methods overridden:
80     void run() override;
81 
82 private:
83     MemoryGroup                       _memory_group;
84     std::vector<CLReductionOperation> _reduction_kernels;
85     std::vector<CLTensor>             _reduced_outs;
86     CLReshapeLayer                    _reshape;
87     CLDequantizationLayer             _dequant;
88     CLQuantizationLayer               _requant;
89     int                               _reduction_ops;
90     bool                              _keep_dims;
91     bool                              _do_requant;
92     CLTensor                          _input_no_quant;
93     CLTensor                          _output_no_quant;
94 };
95 } // namespace arm_compute
96 #endif /* ARM_COMPUTE_CL_REDUCE_MEAN_H */
97