Compute Library
 20.11
NEFFT2D.cpp
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25 
32 
33 namespace arm_compute
34 {
35 NEFFT2D::~NEFFT2D() = default;
36 
37 NEFFT2D::NEFFT2D(std::shared_ptr<IMemoryManager> memory_manager)
38  : _memory_group(memory_manager), _first_pass_func(memory_manager), _second_pass_func(memory_manager), _first_pass_tensor()
39 {
40 }
41 
42 void NEFFT2D::configure(const ITensor *input, ITensor *output, const FFT2DInfo &config)
43 {
45  ARM_COMPUTE_ERROR_THROW_ON(NEFFT2D::validate(input->info(), output->info(), config));
46 
47  // Setup first pass
48  FFT1DInfo first_pass_config;
49  first_pass_config.axis = config.axis0;
50  first_pass_config.direction = config.direction;
51  _memory_group.manage(&_first_pass_tensor);
52  _first_pass_func.configure(input, &_first_pass_tensor, first_pass_config);
53 
54  // Setup second pass
55  FFT1DInfo second_pass_config;
56  second_pass_config.axis = config.axis1;
57  second_pass_config.direction = config.direction;
58  _second_pass_func.configure(&_first_pass_tensor, output, second_pass_config);
59  _first_pass_tensor.allocator()->allocate();
60 }
61 
62 Status NEFFT2D::validate(const ITensorInfo *input, const ITensorInfo *output, const FFT2DInfo &config)
63 {
65 
66  // Create intermediate tensor info
67  TensorInfo first_pass_tensor(input->clone()->set_is_resizable(true).reset_padding().set_num_channels(2));
68 
69  // Validate first pass
70  FFT1DInfo first_pass_config;
71  first_pass_config.axis = config.axis0;
72  first_pass_config.direction = config.direction;
73  ARM_COMPUTE_RETURN_ON_ERROR(NEFFT1D::validate(input, &first_pass_tensor, first_pass_config));
74 
75  // Validate second pass
76  FFT1DInfo second_pass_config;
77  second_pass_config.axis = config.axis1;
78  second_pass_config.direction = config.direction;
79  ARM_COMPUTE_RETURN_ON_ERROR(NEFFT1D::validate(&first_pass_tensor, output, second_pass_config));
80 
81  // Checks performed when output is configured
82  if((output != nullptr) && (output->total_size() != 0))
83  {
86  }
87 
88  return Status{};
89 }
90 
92 {
93  _memory_group.acquire();
94 
95  _first_pass_func.run();
96  _second_pass_func.run();
97 
98  _memory_group.release();
99 }
100 } // namespace arm_compute
unsigned int axis
Axis to run the FFT on.
FFTDirection direction
Direction of the FFT.
NEFFT2D(std::shared_ptr< IMemoryManager > memory_manager=nullptr)
Default Constructor.
Definition: NEFFT2D.cpp:37
Descriptor used by the FFT1D function.
Descriptor used by the FFT2D function.
#define ARM_COMPUTE_RETURN_ON_ERROR(status)
Checks if a status contains an error and returns it.
Definition: Error.h:204
Store the tensor's metadata.
Definition: ITensorInfo.h:40
#define ARM_COMPUTE_ERROR_THROW_ON(status)
Definition: Error.h:455
Status class.
Definition: Error.h:52
Interface for NEON tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2020 Arm Limited.
TensorAllocator * allocator()
Return a pointer to the tensor's allocator.
Definition: Tensor.cpp:48
#define ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(...)
Definition: Validate.h:163
void manage(IMemoryManageable *obj) override
Sets a object to be managed by the given memory group.
Definition: MemoryGroup.h:79
void run() override
Run the kernels contained in the function.
Definition: NEFFT1D.cpp:136
void release() override
Releases backing memory of the whole group.
Definition: MemoryGroup.h:115
void configure(const ITensor *input, ITensor *output, const FFT1DInfo &config)
Initialise the function's source and destinations.
Definition: NEFFT1D.cpp:44
void allocate() override
Allocate size specified by TensorInfo of CPU memory.
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor's metadata.
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFT2DInfo &config)
Static function to check if given info will lead to a valid configuration of NEFFT2D.
Definition: NEFFT2D.cpp:62
void acquire() override
Acquires backing memory for the whole group.
Definition: MemoryGroup.h:105
virtual size_t total_size() const =0
Returns the total size of the tensor in bytes.
#define ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(...)
Definition: Validate.h:443
#define ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(...)
Definition: Validate.h:545
void run() override
Run the kernels contained in the function.
Definition: NEFFT2D.cpp:91
unsigned int axis1
Axis to run second pass on.
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFT1DInfo &config)
Static function to check if given info will lead to a valid configuration of NEFFT1D.
Definition: NEFFT1D.cpp:110
~NEFFT2D()
Default destructor.
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:161
Store the tensor's metadata.
Definition: TensorInfo.h:45
FFTDirection direction
Direction of the FFT.
void configure(const ITensor *input, ITensor *output, const FFT2DInfo &config)
Initialise the function's source and destinations.
Definition: NEFFT2D.cpp:42
unsigned int axis0
Axis to run first pass on.