Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018-2019 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_NEARGMINMAXLAYER_H__ |
| 25 | #define __ARM_COMPUTE_NEARGMINMAXLAYER_H__ |
| 26 | |
| 27 | #include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h" |
| 28 | #include "arm_compute/core/NEON/kernels/NEReductionOperationKernel.h" |
| 29 | #include "arm_compute/core/Types.h" |
| 30 | #include "arm_compute/runtime/MemoryGroup.h" |
| 31 | #include "arm_compute/runtime/NEON/INESimpleFunction.h" |
| 32 | |
| 33 | namespace arm_compute |
| 34 | { |
Michele Di Giorgio | 9637b2e | 2019-09-23 16:49:49 +0100 | [diff] [blame] | 35 | class ITensor; |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 36 | |
Michele Di Giorgio | 9637b2e | 2019-09-23 16:49:49 +0100 | [diff] [blame] | 37 | /** Function to calculate the index of the minimum or maximum values in a |
| 38 | * tensor based on an axis. |
| 39 | * |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 40 | * This function calls the following NEON kernels: |
| 41 | * |
| 42 | * -# @ref NEReductionOperationKernel |
| 43 | * -# @ref NEFillBorderKernel |
| 44 | * |
Michele Di Giorgio | 9637b2e | 2019-09-23 16:49:49 +0100 | [diff] [blame] | 45 | * @note The indices are computed in unsigned 32-bit (U32). It is the user's |
| 46 | * responsibility to check that the results do not overflow in case the |
| 47 | * output data type is set to signed 32-bit integer (S32). |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 48 | */ |
| 49 | class NEArgMinMaxLayer : public IFunction |
| 50 | { |
| 51 | public: |
| 52 | /** Constructor */ |
| 53 | NEArgMinMaxLayer(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| 54 | /** Set the input and output tensors. |
| 55 | * |
Michalis Spyrou | b9626ab | 2019-05-13 17:41:01 +0100 | [diff] [blame] | 56 | * @param[in] input Input source tensor. Data types supported: QASYMM8/S32/F16/F32. |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 57 | * @param[in] axis Axis to find max/min index. |
Michele Di Giorgio | 9637b2e | 2019-09-23 16:49:49 +0100 | [diff] [blame] | 58 | * @param[out] output Output source tensor. Data types supported: U32/S32. |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 59 | * @param[in] op Operation to perform: min or max |
| 60 | */ |
| 61 | void configure(ITensor *input, int axis, ITensor *output, const ReductionOperation &op); |
| 62 | /** Static function to check if given info will lead to a valid configuration of @ref NEArgMinMaxLayer |
| 63 | * |
Michalis Spyrou | b9626ab | 2019-05-13 17:41:01 +0100 | [diff] [blame] | 64 | * @param[in] input Input source tensor info. Data types supported: QASYMM8/S32/F16/F32. |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 65 | * @param[in] axis Axis to find max/min index. |
Michele Di Giorgio | 9637b2e | 2019-09-23 16:49:49 +0100 | [diff] [blame] | 66 | * @param[in] output Output source tensor info. Data types supported: U32/S32. |
Michalis Spyrou | aea14c6 | 2019-01-03 11:10:25 +0000 | [diff] [blame] | 67 | * @param[in] op Operation to perform: min or max |
| 68 | * |
| 69 | * @return a status |
| 70 | */ |
| 71 | static Status validate(const ITensorInfo *input, int axis, const ITensorInfo *output, const ReductionOperation &op); |
| 72 | |
| 73 | // Inherited methods overridden: |
| 74 | void run() override; |
| 75 | |
| 76 | private: |
| 77 | MemoryGroup _memory_group; |
| 78 | NEReductionOperationKernel _reduction_kernel; |
| 79 | NEFillBorderKernel _fill_border_kernel; |
| 80 | bool _run_fill_border; |
| 81 | }; |
| 82 | } // namespace arm_compute |
| 83 | #endif /* __ARM_COMPUTE_NEARGMINMAXLAYER_H__ */ |