Compute Library
 20.08
NEInstanceNormalizationLayer.cpp
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25 
29 
30 namespace arm_compute
31 {
32 NEInstanceNormalizationLayer::NEInstanceNormalizationLayer(std::shared_ptr<IMemoryManager> memory_manager)
33  : _memory_group(std::move(memory_manager)), _normalization_kernel(), _is_nchw(false), _permute_input(), _permute_output(), _permuted_input(), _permuted_output()
34 {
35 }
36 
37 void NEInstanceNormalizationLayer::configure(ITensor *input, ITensor *output, float gamma, float beta, float epsilon)
38 {
39  const DataLayout data_layout = input->info()->data_layout();
40  const auto kernel_descriptor = InstanceNormalizationLayerKernelInfo{ gamma, beta, epsilon, true };
41 
42  // Configure Kernels
43  _is_nchw = data_layout == DataLayout::NCHW;
44 
45  if(!_is_nchw)
46  {
47  _memory_group.manage(&_permuted_input);
48  _memory_group.manage(&_permuted_output);
49 
50  // Configure the function to transform the input tensor from NHWC -> NCHW
51  _permute_input.configure(input, &_permuted_input, PermutationVector(1U, 2U, 0U));
52  _permuted_input.info()->set_data_layout(DataLayout::NCHW);
53 
54  _normalization_kernel.configure(&_permuted_input, &_permuted_output, kernel_descriptor);
55  _permuted_output.info()->set_data_layout(DataLayout::NCHW);
56 
57  _permute_output.configure(&_permuted_output, output != nullptr ? output : input, PermutationVector(2U, 0U, 1U));
58  _permuted_input.allocator()->allocate();
59  _permuted_output.allocator()->allocate();
60  }
61  else
62  {
63  _normalization_kernel.configure(input, output, kernel_descriptor);
64  }
65 }
66 
67 Status NEInstanceNormalizationLayer::validate(const ITensorInfo *input, const ITensorInfo *output, float gamma, float beta, float epsilon)
68 {
69  return NEInstanceNormalizationLayerKernel::validate(&input->clone()->set_data_layout(DataLayout::NCHW),
70  &output->clone()->set_data_layout(DataLayout::NCHW),
71  InstanceNormalizationLayerKernelInfo{ gamma, beta, epsilon, true });
72 }
73 
75 {
76  MemoryGroupResourceScope scope_mg(_memory_group);
77 
78  // Permute input
79  if(!_is_nchw)
80  {
81  _permute_input.run();
82  }
83 
84  NEScheduler::get().schedule(&_normalization_kernel, Window::DimZ);
85 
86  // Permute output
87  if(!_is_nchw)
88  {
89  _permute_output.run();
90  }
91 }
92 } // namespace arm_compute
const DataLayout data_layout
Definition: Im2Col.cpp:146
void run() override final
Run the kernels contained in the function.
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const InstanceNormalizationLayerKernelInfo &info)
Static function to check if given info will lead to a valid configuration of NEInstanceNormalizationL...
void configure(ITensor *input, ITensor *output, float gamma=1.0f, float beta=0.0f, float epsilon=1e-12f)
Set the input and output tensors.
Strides PermutationVector
Permutation vector.
Definition: Types.h:49
Store the tensor's metadata.
Definition: ITensorInfo.h:40
void configure(ITensor *input, ITensor *output, const InstanceNormalizationLayerKernelInfo &info)
Set the input and output tensors.
NEInstanceNormalizationLayer(std::shared_ptr< IMemoryManager > memory_manager=nullptr)
Constructor.
Status class.
Definition: Error.h:52
Interface for NEON tensor.
Definition: ITensor.h:36
void run() override
Run the kernels contained in the function.
Copyright (c) 2017-2020 Arm Limited.
TensorAllocator * allocator()
Return a pointer to the tensor's allocator.
Definition: Tensor.cpp:48
ITensorInfo * info() const override
Interface to be implemented by the child class to return the tensor's metadata.
Definition: Tensor.cpp:33
static Status validate(const ITensorInfo *input, const ITensorInfo *output, float gamma=1.0f, float beta=0.0f, float epsilon=1e-12f)
Static function to check if given info will lead to a valid configuration of NEInstanceNormalizationL...
void manage(IMemoryManageable *obj) override
Sets a object to be managed by the given memory group.
Definition: MemoryGroup.h:79
virtual ITensorInfo & set_data_layout(const DataLayout &data_layout)=0
Set the data layout of the tensor.
void allocate() override
Allocate size specified by TensorInfo of CPU memory.
virtual std::unique_ptr< T > clone() const =0
Provide a clone of the current object of class T.
Num samples, channels, height, width.
Memory group resources scope handling class.
Definition: IMemoryGroup.h:82
virtual void schedule(ICPPKernel *kernel, const Hints &hints)=0
Runs the kernel in the same thread as the caller synchronously.
static constexpr size_t DimZ
Alias for dimension 2 also known as Z dimension.
Definition: Window.h:47
void configure(const ITensor *input, ITensor *output, const PermutationVector &perm)
Configure the permute NEON kernel.
Definition: NEPermute.cpp:31
DataLayout
[DataLayout enum definition]
Definition: Types.h:120
static IScheduler & get()
Access the scheduler singleton.
Definition: Scheduler.cpp:95