1 /* 2 * Copyright (c) 2018-2021 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_NE_STRIDED_SLICE_H 25 #define ARM_COMPUTE_NE_STRIDED_SLICE_H 26 27 #include "arm_compute/runtime/IFunction.h" 28 #include "arm_compute/runtime/NEON/INEOperator.h" 29 30 namespace arm_compute 31 { 32 // Forward Declarations 33 class ITensor; 34 35 /** Basic function to run @ref NEStridedSliceKernel */ 36 class NEStridedSlice : public IFunction 37 { 38 public: 39 /** Default Constructor */ 40 NEStridedSlice(); 41 /** Default Destructor */ 42 ~NEStridedSlice(); 43 /** Prevent instances of this class from being copied (As this class contains pointers) */ 44 NEStridedSlice(const NEStridedSlice &) = delete; 45 /** Default move constructor */ 46 NEStridedSlice(NEStridedSlice &&); 47 /** Prevent instances of this class from being copied (As this class contains pointers) */ 48 NEStridedSlice &operator=(const NEStridedSlice &) = delete; 49 /** Default move assignment operator */ 50 NEStridedSlice &operator=(NEStridedSlice &&); 51 52 /** Configure kernel 53 * 54 * Valid data layouts: 55 * - All 56 * 57 * Valid data type configurations: 58 * |src |dst | 59 * |:------|:------| 60 * |All |All | 61 * 62 * @note Supported tensor rank: up to 4 63 * 64 * @param[in] input Source tensor. Data type supported: All 65 * @param[out] output Destination tensor. Data type supported: Same as @p input 66 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 67 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 68 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 69 * @param[in] begin_mask (Optional) If the ith bit of begin_mask is set, starts[i] is ignored and the fullest possible range in that dimension is used instead. 70 * @param[in] end_mask (Optional) If the ith bit of end_mask is set, ends[i] is ignored and the fullest possible range in that dimension is used instead. 71 * @param[in] shrink_axis_mask (Optional) If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1. 72 * A slice of size 1 starting from starts[i] in the dimension must be preserved. 73 */ 74 void configure(const ITensor *input, ITensor *output, 75 const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, 76 int32_t begin_mask = 0, int32_t end_mask = 0, int32_t shrink_axis_mask = 0); 77 78 /** Static function to check if given info will lead to a valid configuration of @ref NEStridedSlice 79 * 80 * @note Supported tensor rank: up to 4 81 * 82 * @param[in] input Source tensor info. Data type supported: All 83 * @param[in] output Destination tensor info. Data type supported: Same as @p input 84 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 85 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 86 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 87 * @param[in] begin_mask (Optional) If the ith bit of begin_mask is set, starts[i] is ignored and the fullest possible range in that dimension is used instead. 88 * @param[in] end_mask (Optional) If the ith bit of end_mask is set, ends[i] is ignored and the fullest possible range in that dimension is used instead. 89 * @param[in] shrink_axis_mask (Optional) If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1. 90 * A slice of size 1 starting from starts[i] in the dimension must be preserved. 91 */ 92 static Status validate(const ITensorInfo *input, const ITensorInfo *output, 93 const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, 94 int32_t begin_mask = 0, int32_t end_mask = 0, int32_t shrink_axis_mask = 0); 95 96 // Inherited methods overridden: 97 void run() override; 98 99 private: 100 struct Impl; 101 std::unique_ptr<Impl> _impl; 102 }; 103 104 namespace experimental 105 { 106 /** Basic function to run @ref NEStridedSliceKernel */ 107 class NEStridedSlice : public INEOperator 108 { 109 public: 110 /** Configure kernel 111 * 112 * @note Supported tensor rank: up to 4 113 * 114 * @param[in] input Source tensor info. Data type supported: All 115 * @param[out] output Destination tensor info. Data type supported: Same as @p input 116 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 117 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 118 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 119 * @param[in] begin_mask (Optional) If the ith bit of begin_mask is set, starts[i] is ignored and the fullest possible range in that dimension is used instead. 120 * @param[in] end_mask (Optional) If the ith bit of end_mask is set, ends[i] is ignored and the fullest possible range in that dimension is used instead. 121 * @param[in] shrink_axis_mask (Optional) If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1. 122 * A slice of size 1 starting from starts[i] in the dimension must be preserved. 123 */ 124 void configure(const ITensorInfo *input, ITensorInfo *output, 125 const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, 126 int32_t begin_mask = 0, int32_t end_mask = 0, int32_t shrink_axis_mask = 0); 127 128 /** Static function to check if given info will lead to a valid configuration of @ref NEStridedSlice 129 * 130 * @note Supported tensor rank: up to 4 131 * 132 * @param[in] input Source tensor info. Data type supported: All 133 * @param[in] output Destination tensor info. Data type supported: Same as @p input 134 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 135 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 136 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 137 * @param[in] begin_mask (Optional) If the ith bit of begin_mask is set, starts[i] is ignored and the fullest possible range in that dimension is used instead. 138 * @param[in] end_mask (Optional) If the ith bit of end_mask is set, ends[i] is ignored and the fullest possible range in that dimension is used instead. 139 * @param[in] shrink_axis_mask (Optional) If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1. 140 * A slice of size 1 starting from starts[i] in the dimension must be preserved. 141 */ 142 static Status validate(const ITensorInfo *input, const ITensorInfo *output, 143 const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, 144 int32_t begin_mask = 0, int32_t end_mask = 0, int32_t shrink_axis_mask = 0); 145 }; 146 } // namespace experimental 147 } // namespace arm_compute 148 #endif /* ARM_COMPUTE_NE_STRIDED_SLICE_H */ 149