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40 #ifndef __ARM_COMPUTE_NEONEHOTKERNEL_H__
41 #define __ARM_COMPUTE_NEONEHOTKERNEL_H__
42 #include "arm_compute/core/NEON/INEKernel.h"
43 #include "arm_compute/core/Types.h"
46 // Forward declarations
48 /** Kernel to perform other operation on NEON */
49 class NEOneHotKernel : public INEKernel
52 /** Default constructor. */
54 /** Prevent instances of this class from being copied (As this class contains pointers). */
55 NEOneHotKernel(const NEOneHotKernel &) = delete;
56 /** Prevent instances of this class from being copied (As this class contains pointers). */
57 NEOneHotKernel &operator=(const NEOneHotKernel &) = delete;
58 /** Allow instances of this class to be moved. */
59 NEOneHotKernel(NEOneHotKernel &&) = default;
60 /** Allow instances of this class to be moved. */
61 NEOneHotKernel &operator=(NEOneHotKernel &&) = default;
62 /** Default detructor */
63 ~NEOneHotKernel() = default;
64 /** Name of the kernel
68 const char *name() const override { return "NEOneHotKernel"; }
69 /** Initialise the kernel's inputs and outputs
71 * @param[in] indices Indices tensor. Supported tensor rank: up to 3. Must be one of the
72 * following types: U32/S32
73 * @param[in] depth The tensor for depth of the one hot dimension. Supported tensor rank: up to
74 * 3. Must be one of the following types: U32/S32
75 * @param[in] on_value On value tensor. Supported tensor rank: only 1. Data type supported:
76 * U8/S8/U16/S16/F16/U32/S32/F32
77 * @param[in] off_value Off value tensor. Supported tensor rank: only 1. Data type supported: Same
79 * @param[out] output Destination tensor. Data type supported: Same as @p on_value
80 * @param[in] axis (Optional) The axis to fill. Negative values wrap around. Defaults to -1.
81 * The value must be in range [-indices.rank , indices.rank)
83 void configure(const ITensor *indices, const ITensor *depth, const ITensor *on_value,
84 const ITensor *off_value, ITensor *output, int axis = -1);
85 /** Static function to check if given info will lead to a valid configuration of @ref
88 * @param[in] indices Indices tensor info. Supported tensor rank: up to 3. Must be one of the
89 * following types: U32/S32
90 * @param[in] depth The tensor info for depth of the one hot dimension. Supported tensor rank:
91 * up to 3. Must be one of the following types: U32/S32
92 * @param[in] on_value On value tensor info. Supported tensor rank: only 1. Data type supported:
93 * U8/S8/U16/S16/F16/U32/S32/F32
94 * @param[in] off_value Off value tensor info. Supported tensor rank: only 1. Data type supported:
96 * @param[out] output Destination tensor info. Data type supported: Same as @p on_value
97 * @param[in] axis (Optional) The axis to fill. Negative values wrap around. Defaults to -1.
98 * The value must be in range [-indices.rank , indices.rank)
102 static Status validate(const ITensorInfo *indices, const ITensorInfo *depth,
103 const ITensorInfo *on_value, const ITensorInfo *off_value,
104 const ITensorInfo *output, int axis = -1);
105 // Inherited methods overridden:
106 void run(const Window &window, const ThreadInfo &info) override;
109 /** Implementation of the onehot operation for 0 axis.
111 * For onehot on the 0 axis an element by element copy is performed.
113 * @param[in] window Region on which to execute the kernel. (Must be a region of the window
114 * returned by window())
115 * @param[in] info Info about executing thread and CPU.
117 template <typename U> void onehot_0_axis(const Window &window, const ThreadInfo &info);
118 /** Implementation of the onehot operation.
120 * For 1<=axis a row-wise copy is taking place.
122 * @param[in] window Region on which to execute the kernel. (Must be a region of the window
123 * returned by window())
124 * @param[in] info Info about executing thread and CPU.
126 template <typename U> void onehot_n_axis(const Window &window, const ThreadInfo &info);
127 using kernel_ptr = void (NEOneHotKernel::*)(const Window &window, const ThreadInfo &info);
128 const ITensor *_indices;
129 const ITensor *_depth;
130 const ITensor *_on_value;
131 const ITensor *_off_value;
136 } // namespace arm_compute
137 #endif /* __ARM_COMPUTE_NEONEHOTKERNEL_H__ */