aboutsummaryrefslogtreecommitdiff
path: root/arm_compute/core/NEON/kernels/NEPoolingLayerKernel.h
blob: 8a938a7f347f6014c4a0bf1d95aeb892c630486f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/*
 * Copyright (c) 2017 ARM Limited.
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef __ARM_COMPUTE_NEPOOLINGLAYERKERNEL_H__
#define __ARM_COMPUTE_NEPOOLINGLAYERKERNEL_H__

#include "arm_compute/core/NEON/INEKernel.h"

namespace arm_compute
{
class ITensor;

/** Interface for the pooling layer kernel */
class NEPoolingLayerKernel : public INEKernel
{
public:
    /** Default constructor */
    NEPoolingLayerKernel();
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    NEPoolingLayerKernel(const NEPoolingLayerKernel &) = delete;
    /** Prevent instances of this class from being copied (As this class contains pointers) */
    NEPoolingLayerKernel &operator=(const NEPoolingLayerKernel &) = delete;
    /** Allow instances of this class to be moved */
    NEPoolingLayerKernel(NEPoolingLayerKernel &&) = default;
    /** Allow instances of this class to be moved */
    NEPoolingLayerKernel &operator=(NEPoolingLayerKernel &&) = default;
    /** Default destructor */
    ~NEPoolingLayerKernel() = default;
    /** Set the input and output tensors.
     *
     * @param[in]  input     Source tensor. Data types supported: QS8/QS16/F16/F32.
     * @param[out] output    Destination tensor. Data types supported: Same as @p input.
     * @param[in]  pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
     */
    void configure(const ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info);

    // Inherited methods overridden:
    void run(const Window &window) override;
    BorderSize border_size() const override;

private:
    /** Function to perform 2x2 pooling.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling2_f32(const Window &window_input, const Window &window);
    /** Function to perform 2x2 pooling for float16_t.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling2_f16(const Window &window_input, const Window &window);

    /** Function to perform 2x2 pooling for 8bit fixed point.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling2_q8(const Window &window_input, const Window &window);
    /** Function to perform 2x2 pooling for 16bit fixed point.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling2_q16(const Window &window_input, const Window &window);
    /** Function to perform 3x3 pooling.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling3_f32(const Window &window_input, const Window &window);
    /** Function to perform 3x3 pooling.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling3_f16(const Window &window_input, const Window &window);
    /** Function to perform 3x3 pooling for 8bit fixed point.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling3_q8(const Window &window_input, const Window &window);
    /** Function to perform 3x3 pooling for 16bit fixed point.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling3_q16(const Window &window_input, const Window &window);
    /** Function to perform 7x7 pooling.
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    template <PoolingType pooling_type>
    void pooling7_f32(const Window &window_input, const Window &window);
    /** Common signature for all the specialised Pooling functions
     *
     * @param[in] window_input Input region on which to execute the kernel.
     * @param[in] window       Output region on which to execute the kernel.
     */
    using PoolingFunction = void (NEPoolingLayerKernel::*)(const Window &window_input, const Window &window);

private:
    PoolingFunction  _func;
    const ITensor   *_input;
    ITensor         *_output;
    PoolingLayerInfo _pool_info;
    int              _num_elems_processed_per_iteration;
    BorderSize       _border_size;
};
}
#endif /*__ARM_COMPUTE_NEPOOLINGLAYERKERNEL_H__ */