Compute Library
 21.02
GCTensorShiftKernel.cpp
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25 
26 #include "arm_compute/core/Error.h"
33 #include "arm_compute/core/Types.h"
38 #include "support/StringSupport.h"
39 
40 using namespace arm_compute;
41 
43  : _input(nullptr), _lws(gles::NDRange(1U, 1U, 1U)), _left_padding(0)
44 {
45 }
46 
48 {
50 
51  _input = input;
52 
53  std::set<std::string> options;
54  options.emplace("#define LOCAL_SIZE_X " + support::cpp11::to_string(_lws[0]));
55  options.emplace("#define LOCAL_SIZE_Y " + support::cpp11::to_string(_lws[1]));
56  options.emplace("#define LOCAL_SIZE_Z " + support::cpp11::to_string(_lws[2]));
57  options.emplace("#define WIDTH " + support::cpp11::to_string(input->info()->dimension(0)));
58 
59  std::string dt_name = (input->info()->data_type() == DataType::F32) ? "DATA_TYPE_FP32" : "DATA_TYPE_FP16";
60  options.emplace(("#define " + dt_name));
61 
62  unsigned int num_elems_written_per_iteration_x = input->info()->dimension(0) + input->info()->padding().left + input->info()->padding().right;
63 
64  std::stringstream kernel_name;
65  kernel_name << "tensorshift";
66 
67  _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel(kernel_name.str(), options));
68 
69  Window win;
70  win.set(Window::DimX, Window::Dimension(0, num_elems_written_per_iteration_x, num_elems_written_per_iteration_x));
73 
74  _left_padding = _input->info()->padding().left;
75 
76  IGCKernel::configure(win);
77 }
78 
80 {
83 
84  if(int(_left_padding) == 0 || !_input->needs_shifting())
85  {
86  return;
87  }
88 
89  _kernel.use();
90 
91  // Get initial windows
93  slice.shift(Window::DimX, -(_input->info()->padding()).left);
94 
95  do
96  {
97  unsigned int idx = 0;
98 
99  add_3D_tensor_argument(idx, _input, 1, slice);
100 
101  _kernel.set_argument(idx++, static_cast<unsigned int>(_left_padding));
102 
103  _kernel.update_shader_params();
104  enqueue(*this, slice, _lws);
105  }
106  while(window.slide_window_slice_3D(slice));
107 }
const Window & window() const
The maximum window the kernel can be executed on.
Definition: IKernel.cpp:28
void add_3D_tensor_argument(unsigned int &idx, const IGCTensor *tensor, const unsigned int binding_point, const Window &window)
Add the passed 3D tensor&#39;s parameters to the object&#39;s kernel&#39;s arguments starting from the index idx...
Definition: IGCKernel.cpp:132
void enqueue(IGCKernel &kernel, const Window &window, const gles::NDRange &lws=gles::NDRange(1U, 1U, 1U))
Add the kernel to the command queue with the given window.
Definition: IGCKernel.cpp:41
virtual size_t dimension(size_t index) const =0
Return the size of the requested dimension.
void shift(size_t dimension, int shift_value)
Shift the values of a given dimension by the given shift_value.
Definition: Window.inl:133
std::string to_string(T &&value)
Convert integer and float values to string.
virtual DataType data_type() const =0
Data type used for each element of the tensor.
1 channel, 1 F32 per channel
Interface for GLES Compute tensor.
Definition: IGCTensor.h:35
Describe one of the image&#39;s dimensions with a start, end and step.
Definition: Window.h:77
GCKernel class.
void use_tensor_dimensions(const TensorShape &shape, size_t first_dimension=Window::DimX)
Use the tensor&#39;s dimensions to fill the window dimensions.
Definition: Window.inl:276
Copyright (c) 2017-2021 Arm Limited.
1 channel, 1 F16 per channel
static constexpr size_t DimX
Alias for dimension 0 also known as X dimension.
Definition: Window.h:43
virtual const TensorShape & tensor_shape() const =0
Size for each dimension of the tensor.
Manages all the GLES kernels compilation and caching, provides accessors for the GLES Context...
std::string kernel_name
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
void set(size_t dimension, const Dimension &dim)
Set the values of a given dimension.
Definition: Window.inl:49
virtual PaddingSize padding() const =0
Padding of tensor.
bool needs_shifting() const
Flag indicating whether the tensor has been left aligned by a kernel and therefore needs shifting...
Definition: IGCTensor.cpp:56
unsigned int left
left of the border
Definition: Types.h:378
bool slide_window_slice_3D(Window &slice) const
Slide the passed 3D window slice.
Definition: Window.h:335
unsigned int right
right of the border
Definition: Types.h:376
#define ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(k)
Definition: Validate.h:941
GCTensorShiftKernel()
Default constructor.
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
void run(const Window &window) override
Enqueue the OpenGL ES shader to process the given window.
static constexpr size_t DimY
Alias for dimension 1 also known as Y dimension.
Definition: Window.h:45
static GCKernelLibrary & get()
Get the static instance of GCKernelLibrary.
static constexpr size_t DimZ
Alias for dimension 2 also known as Z dimension.
Definition: Window.h:47
GCKernel create_kernel(const std::string &shader_name, const StringSet &build_options_set={}) const
Creates a kernel from the kernel library.
Window first_slice_window_3D() const
First 3D slice of the window.
Definition: Window.h:291
Describe a multidimensional execution window.
Definition: Window.h:39
void configure(IGCTensor *input)
Set the input of the kernel.
#define ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(f, s)
Definition: Validate.h:205
SimpleTensor< T > slice(const SimpleTensor< T > &src, Coordinates starts, Coordinates ends)