Compute Library
 22.08
CpuCastKernel.h
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24 #ifndef ARM_COMPUTE_CPU_CAST_KERNEL_H
25 #define ARM_COMPUTE_CPU_CAST_KERNEL_H
26 
27 #include "src/core/common/Macros.h"
28 #include "src/cpu/ICpuKernel.h"
29 
30 namespace arm_compute
31 {
32 namespace cpu
33 {
34 namespace kernels
35 {
36 /** Casts a given tensor to a new type
37  *
38  * @note When casting between quantized types the scale and zeroPoint are ignored
39  */
40 class CpuCastKernel : public ICpuKernel<CpuCastKernel>
41 {
42 private:
44 
45 public:
46  CpuCastKernel() = default;
48  /** Set the src and dst of the kernel
49  *
50  * Valid conversions src -> dst :
51  *
52  * - QASYMM8_SIGNED -> S16, S32, F32, F16
53  * - QASYMM8 -> U16, S16, S32, F32, F16
54  * - U8 -> U16, S16, S32, F32, F16
55  * - U16 -> U8, U32
56  * - S16 -> QASYMM8_SIGNED, U8, S32
57  * - BFLOAT16 -> F32
58  * - F16 -> QASYMM8_SIGNED, QASYMM8, F32, S32, U8
59  * - S32 -> QASYMM8_SIGNED, QASYMM8, F16, F32, U8
60  * - F32 -> QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8
61  *
62  * @param[in] src The src tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/BFLOAT16/F16/F32.
63  * @param[out] dst The dst tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32.
64  * @param[in] policy Conversion policy.
65  */
66  void configure(const ITensorInfo *src, ITensorInfo *dst, ConvertPolicy policy);
67  /** Static function to check if given info will lead to a valid configuration
68  *
69  * Similar to @ref CpuCastKernel::configure()
70  *
71  * @return a status
72  */
73  static Status validate(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy);
74 
75  // Inherited methods overridden:
76  void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
77  const char *name() const override;
78 
79  struct CastKernel
80  {
81  const char *name;
83  CastKernelPtr ukernel;
84  };
85 
86  static const std::vector<CastKernel> &get_available_kernels();
87 
88 private:
90 };
91 } // namespace kernels
92 } // namespace cpu
93 } // namespace arm_compute
94 #endif /* ARM_COMPUTE_CPU_CAST_KERNEL_H */
void configure(const ITensorInfo *src, ITensorInfo *dst, ConvertPolicy policy)
Set the src and dst of the kernel.
const Window & window() const
The maximum window the kernel can be executed on.
Definition: IKernel.cpp:28
static const std::vector< CastKernel > & get_available_kernels()
Casts a given tensor to a new type.
Definition: CpuCastKernel.h:40
std::add_pointer< bool(const CastDataTypeISASelectorData &data)>::type CastDataTypeISASelectorDataPtr
Store the tensor&#39;s metadata.
Definition: ITensorInfo.h:40
Status class.
Definition: Error.h:52
decltype(strategy::transforms) typedef type
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2022 Arm Limited.
void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override
Execute the kernel on the passed window.
const CastDataTypeISASelectorDataPtr is_selected
Definition: CpuCastKernel.h:82
ScaleKernelInfo info(interpolation_policy, default_border_mode, PixelValue(), sampling_policy, false)
Information about executing thread and CPU.
Definition: CPPTypes.h:179
static Status validate(const ITensorInfo *src, const ITensorInfo *dst, ConvertPolicy policy)
Static function to check if given info will lead to a valid configuration.
const char * name() const override
Name of the kernel.
Tensor packing service.
Definition: ITensorPack.h:39
Describe a multidimensional execution window.
Definition: Window.h:39
ConvertPolicy
Policy to handle integer overflow.
Definition: Types.h:404