Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Anthony Barbier | e8a4983 | 2018-01-18 10:04:05 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2018 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 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_NEACTIVATIONLAYERKERNEL_H__ |
| 25 | #define __ARM_COMPUTE_NEACTIVATIONLAYERKERNEL_H__ |
| 26 | |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 27 | #include "arm_compute/core/NEON/INEKernel.h" |
Michel Iwaniec | 5dfeae6 | 2017-11-29 10:48:23 +0000 | [diff] [blame] | 28 | #include "arm_compute/core/QAsymm8.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 29 | |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 30 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
Pablo Tello | 91654c4 | 2017-07-05 11:32:17 +0100 | [diff] [blame] | 31 | #include <arm_fp16.h> |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 32 | #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
Pablo Tello | 91654c4 | 2017-07-05 11:32:17 +0100 | [diff] [blame] | 33 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 34 | namespace arm_compute |
| 35 | { |
| 36 | class ITensor; |
| 37 | |
| 38 | /** Interface for the activation layer kernel. */ |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 39 | class NEActivationLayerKernel : public INEKernel |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 40 | { |
| 41 | public: |
Anthony Barbier | e8a4983 | 2018-01-18 10:04:05 +0000 | [diff] [blame] | 42 | const char *name() const override |
| 43 | { |
| 44 | return "NEActivationLayerKernel"; |
| 45 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 46 | /** Constructor */ |
| 47 | NEActivationLayerKernel(); |
| 48 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 49 | NEActivationLayerKernel(const NEActivationLayerKernel &) = delete; |
| 50 | /** Default move constructor */ |
| 51 | NEActivationLayerKernel(NEActivationLayerKernel &&) = default; |
| 52 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 53 | NEActivationLayerKernel &operator=(const NEActivationLayerKernel &) = delete; |
| 54 | /** Default move assignment operator */ |
| 55 | NEActivationLayerKernel &operator=(NEActivationLayerKernel &&) = default; |
| 56 | /** Set the input and output tensor. |
| 57 | * |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 58 | * @note If the output tensor is a nullptr, the activation function will be performed in-place |
| 59 | * |
| 60 | * @param[in, out] input Source tensor. In case of @p output tensor = nullptr, this tensor will store the result |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 61 | * of the activation function. Data types supported: QASYMM8/F16/F32. |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 62 | * @param[out] output Destination tensor. Data type supported: same as @p input |
| 63 | * @param[in] activation_info Activation layer information. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 64 | */ |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 65 | void configure(ITensor *input, ITensor *output, ActivationLayerInfo activation_info); |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 66 | /** Static function to check if given info will lead to a valid configuration of @ref NEActivationLayerKernel |
| 67 | * |
| 68 | * @param[in] input Source tensor info. In case of @p output tensor info = nullptr, this tensor will store the result |
Vidhya Sudhan Loganathan | 7485d5a | 2018-07-04 09:34:00 +0100 | [diff] [blame] | 69 | * of the activation function. Data types supported: QASYMM8/F16/F32. |
Michalis Spyrou | afa5d81 | 2017-11-30 14:25:57 +0000 | [diff] [blame] | 70 | * @param[in] output Destination tensor info. Data type supported: same as @p input |
| 71 | * @param[in] act_info Activation layer information. |
| 72 | * |
| 73 | * @return a status |
| 74 | */ |
| 75 | static Status validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 76 | |
| 77 | // Inherited methods overridden: |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 78 | void run(const Window &window, const ThreadInfo &info) override; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 79 | |
| 80 | private: |
| 81 | using ActivationFunction = ActivationLayerInfo::ActivationFunction; |
| 82 | /** Common signature for all the specialised @ref NEActivationLayerKernel functions |
| 83 | * |
| 84 | * @param[in] window Region on which to execute the kernel. |
| 85 | */ |
| 86 | using ActivationFunctionExecutorPtr = void (NEActivationLayerKernel::*)(const Window &window); |
| 87 | /** Function to apply an activation function on a tensor. |
| 88 | * |
Anthony Barbier | f202e50 | 2017-11-23 18:02:04 +0000 | [diff] [blame] | 89 | * @param[in] window Region on which to execute the kernel |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 90 | */ |
| 91 | template <ActivationLayerInfo::ActivationFunction F, typename T> |
| 92 | typename std::enable_if<std::is_same<T, float>::value, void>::type activation(const Window &window); |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 93 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
Pablo Tello | 91654c4 | 2017-07-05 11:32:17 +0100 | [diff] [blame] | 94 | /** Function to apply an activation function on a tensor. |
| 95 | * |
Anthony Barbier | f202e50 | 2017-11-23 18:02:04 +0000 | [diff] [blame] | 96 | * @param[in] window Region on which to execute the kernel |
Pablo Tello | 91654c4 | 2017-07-05 11:32:17 +0100 | [diff] [blame] | 97 | */ |
| 98 | template <ActivationLayerInfo::ActivationFunction F, typename T> |
| 99 | typename std::enable_if<std::is_same<T, float16_t>::value, void>::type activation(const Window &window); |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 100 | #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 101 | /** Function to apply an activation function on a tensor. |
| 102 | * |
Anthony Barbier | f202e50 | 2017-11-23 18:02:04 +0000 | [diff] [blame] | 103 | * @param[in] window Region on which to execute the kernel |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 104 | */ |
| 105 | template <ActivationLayerInfo::ActivationFunction F, typename T> |
Michel Iwaniec | 5dfeae6 | 2017-11-29 10:48:23 +0000 | [diff] [blame] | 106 | typename std::enable_if<std::is_same<T, qasymm8_t>::value, void>::type activation(const Window &window); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 107 | |
| 108 | private: |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 109 | ITensor *_input; |
| 110 | ITensor *_output; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 111 | ActivationFunctionExecutorPtr _func; |
| 112 | ActivationLayerInfo _act_info; |
| 113 | }; |
Gian Marco Iodice | 356f643 | 2017-09-22 11:32:21 +0100 | [diff] [blame] | 114 | } // namespace arm_compute |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 115 | #endif /*__ARM_COMPUTE_NEACTIVATIONLAYERKERNEL_H__ */ |