Compute Library
 21.02
CLBitwiseKernel.cpp
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25 
33 #include "support/StringSupport.h"
34 
35 namespace arm_compute
36 {
38  : _input1(nullptr), _input2(nullptr), _output(nullptr)
39 {
40 }
41 
42 void CLBitwiseKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, BitwiseOperation op)
43 {
46  if(op != BitwiseOperation::NOT)
47  {
50  }
53 
54  // Output auto inizialitation if not yet initialized
55  auto_init_if_empty(*(output->info()), *(input1->info()));
56  auto padding_info = get_padding_info({ input1, input2, output });
57 
58  // Configure kernel window
59  const unsigned int vec_size_x = adjust_vec_size(16 / output->info()->element_size(), output->info()->dimension(0));
60  Window win = calculate_max_window(*output->info(), Steps(vec_size_x));
61 
62  _input1 = input1;
63  _input2 = input2;
64  _output = output;
65 
66  // Create kernel
67  std::string kernel_name = "";
68  switch(op)
69  {
71  kernel_name = "bitwise_and";
72  break;
74  kernel_name = "bitwise_not";
75  break;
77  kernel_name = "bitwise_or";
78  break;
80  kernel_name = "bitwise_xor";
81  break;
82  default:
83  ARM_COMPUTE_ERROR("Bitwise operation not supported");
84  }
85 
86  CLBuildOptions build_opts;
87  const int vec_size_x_leftovers = output->info()->dimension(0) % vec_size_x;
88  build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(vec_size_x));
89  build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(vec_size_x_leftovers));
90  _kernel = create_kernel(compile_context, kernel_name, build_opts.options());
91 
92  ICLKernel::configure_internal(win);
94 }
95 
96 void CLBitwiseKernel::run(const Window &window, cl::CommandQueue &queue)
97 {
100 
102 
103  do
104  {
105  unsigned int idx = 0;
106  add_2D_tensor_argument(idx, _input1, slice);
107  if(_input2 != nullptr)
108  {
109  add_2D_tensor_argument(idx, _input2, slice);
110  }
111  add_2D_tensor_argument(idx, _output, slice);
112  enqueue(queue, *this, slice, lws_hint());
113  }
114  while(window.slide_window_slice_2D(slice));
115 }
116 } // namespace arm_compute
Window first_slice_window_2D() const
First 2D slice of the window.
Definition: Window.h:283
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 run(const Window &window, cl::CommandQueue &queue) override
Enqueue the OpenCL kernel to process the given window on the passed OpenCL command queue...
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.
const StringSet & options() const
Gets the current options list set.
#define ARM_COMPUTE_ERROR(msg)
Print the given message then throw an std::runtime_error.
Definition: Error.h:352
cl::NDRange lws_hint() const
Return the Local-Workgroup-Size hint.
Definition: ICLKernel.h:276
1 channel, 1 U8 per channel
std::string to_string(T &&value)
Convert integer and float values to string.
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
CLBitwiseKernel()
Default constructor.
Bitwise NOT operation.
bool slide_window_slice_2D(Window &slice) const
Slide the passed 2D window slice.
Definition: Window.h:323
Copyright (c) 2017-2021 Arm Limited.
void configure(const CLCompileContext &compile_context, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, BitwiseOperation op)
Set the inputs and output tensors.
void add_option(std::string option)
Adds option to the existing build option list.
cl::Kernel create_kernel(const CLCompileContext &ctx, const std::string &kernel_name, const std::set< std::string > &build_opts=std::set< std::string >())
Creates an opencl kernel using a compile context.
Definition: CLHelpers.cpp:403
Class to describe a number of elements in each dimension.
Definition: Steps.h:40
std::string kernel_name
BitwiseOperation
Available bitwise operations.
Definition: Types.h:560
bool auto_init_if_empty(ITensorInfo &info, const TensorShape &shape, int num_channels, DataType data_type, QuantizationInfo quantization_info=QuantizationInfo())
Auto initialize the tensor info (shape, number of channels and data type) if the current assignment i...
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
virtual size_t element_size() const =0
Element size in bytes calculated as data_size() * num_channels()
#define ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(k)
Definition: Validate.h:941
bool has_padding_changed(const std::unordered_map< const ITensorInfo *, PaddingSize > &padding_map)
Check if the previously stored padding info has changed after configuring a kernel.
Definition: Utils.cpp:528
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
CLCompileContext class.
void add_2D_tensor_argument(unsigned int &idx, const ICLTensor *tensor, const Window &window)
Add the passed 2D tensor&#39;s parameters to the object&#39;s kernel&#39;s arguments starting from the index idx...
Definition: ICLKernel.h:148
Bitwise XOR operation.
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
Bitwise AND operation.
Bitwise OR operation.
Manages all the OpenCL kernels compilation and caching, provides accessors for the OpenCL Context...
std::unordered_map< const ITensorInfo *, PaddingSize > get_padding_info(std::initializer_list< const ITensorInfo *> infos)
Stores padding information before configuring a kernel.
Definition: Utils.cpp:513
Wrapper to configure the Khronos OpenCL C++ header.
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:161
unsigned int adjust_vec_size(unsigned int vec_size, size_t dim0)
Returns the adjusted vector size in case it is less than the input&#39;s first dimension, getting rounded down to its closest valid vector size.
Definition: Utils.h:1358
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)