Compute Library
 21.02
GCPixelWiseMultiplicationKernel.cpp
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2  * Copyright (c) 2017-2020 Arm Limited.
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25 
26 #include "arm_compute/core/Error.h"
37 #include "support/StringSupport.h"
38 
39 #include <cmath>
40 #include <cstdlib>
41 #include <set>
42 #include <string>
43 using namespace arm_compute;
44 
46  : _input1(nullptr), _input2(nullptr), _output(nullptr)
47 {
48 }
49 
50 void GCPixelWiseMultiplicationKernel::configure(const IGCTensor *input1, const IGCTensor *input2, IGCTensor *output, float scale)
51 {
52  ARM_COMPUTE_ERROR_ON_NULLPTR(input1, input2, output);
56  ARM_COMPUTE_ERROR_ON_MSG(scale < 0, "Scale cannot be negative. ");
57 
58  // Auto initialize output if not initialized
59  {
60  set_shape_if_empty(*output->info(), input1->info()->tensor_shape());
62  }
63 
64  ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input1, input2, output);
65  ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input1, input2, output);
66  ARM_COMPUTE_ERROR_ON_MSG(scale < 0, "Scale cannot be negative. ");
67 
68  _input1 = input1;
69  _input2 = input2;
70  _output = output;
71 
72  std::string data_type;
73  std::string compute_type;
74 
75  // Set kernel build options
76  std::set<std::string> build_opts;
77  build_opts.emplace("#define LOCAL_SIZE_X " + support::cpp11::to_string(1));
78  build_opts.emplace("#define LOCAL_SIZE_Y " + support::cpp11::to_string(1));
79  build_opts.emplace("#define LOCAL_SIZE_Z " + support::cpp11::to_string(1));
80 
81  build_opts.emplace("#define SCALE " + support::cpp11::to_string(scale));
82 
83  // Create kernel
84  _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel("pixelwise_mul_float", build_opts));
85 
86  // Configure kernel window
87  constexpr unsigned int num_elems_processed_per_iteration = 1;
88 
89  Window win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration));
90 
94 
95  update_window_and_padding(win, input1_access, input2_access, output_access);
96 
98  input2->info()->valid_region());
99  output_access.set_valid_region(win, valid_region);
100 
101  IGCKernel::configure(win);
102 }
103 
105 {
108 
109  _kernel.use();
110 
112 
113  do
114  {
115  unsigned int idx = 0;
116  unsigned int binding = 1;
117  add_3D_tensor_argument(idx, _input1, binding++, slice);
118  add_3D_tensor_argument(idx, _input2, binding++, slice);
119  add_3D_tensor_argument(idx, _output, binding++, slice);
120 
121  _kernel.update_shader_params();
122  enqueue(*this, slice);
123  }
124  while(window.slide_window_slice_3D(slice));
125 }
bool set_format_if_unknown(ITensorInfo &info, Format format)
Set the format, data type and number of channels to the specified value if the current data type is u...
Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size)
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
std::string to_string(T &&value)
Convert integer and float values to string.
1 channel, 1 F32 per channel
Interface for GLES Compute tensor.
Definition: IGCTensor.h:35
GCKernel class.
void configure(const IGCTensor *input1, const IGCTensor *input2, IGCTensor *output, float scale)
Initialise the kernel&#39;s input, output and border mode.
const ValidRegion valid_region
Definition: Scale.cpp:221
Copyright (c) 2017-2021 Arm Limited.
virtual ValidRegion valid_region() const =0
Valid region of the tensor.
const DataType data_type
Definition: Im2Col.cpp:150
bool update_window_and_padding(Window &win, Ts &&... patterns)
Update window and padding size for each of the access patterns.
Definition: WindowHelpers.h:46
virtual const TensorShape & tensor_shape() const =0
Size for each dimension of the tensor.
#define ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(...)
Definition: Validate.h:543
Manages all the GLES kernels compilation and caching, provides accessors for the GLES Context...
Class to describe a number of elements in each dimension.
Definition: Steps.h:40
#define ARM_COMPUTE_ERROR_ON_MSG(cond, msg)
Definition: Error.h:456
Implementation of a row access pattern.
#define ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(...)
Definition: Validate.h:441
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
bool set_shape_if_empty(ITensorInfo &info, const TensorShape &shape)
Set the shape to the specified value if the current assignment is empty.
ValidRegion intersect_valid_regions(const Ts &... regions)
Intersect multiple valid regions.
Definition: WindowHelpers.h:74
bool slide_window_slice_3D(Window &slice) const
Slide the passed 3D window slice.
Definition: Window.h:335
#define ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(k)
Definition: Validate.h:941
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
Wrapper to configure the Khronos EGL and OpenGL ES C header.
static GCKernelLibrary & get()
Get the static instance of GCKernelLibrary.
void run(const Window &window) override
Enqueue the OpenGL ES shader to process the given window.
GCKernel create_kernel(const std::string &shader_name, const StringSet &build_options_set={}) const
Creates a kernel from the kernel library.
unsigned int num_elems_processed_per_iteration
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:161
Container for valid region of a window.
Definition: Types.h:188
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
#define ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(f, s)
Definition: Validate.h:205
SimpleTensor< T > slice(const SimpleTensor< T > &src, Coordinates starts, Coordinates ends)