Compute Library
 21.02
CLBox3x3Kernel.cpp
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25 
31 
32 #include <set>
33 #include <string>
34 
35 using namespace arm_compute;
36 
38 {
39  return BorderSize(1);
40 }
41 
42 void CLBox3x3Kernel::configure(const ICLTensor *input, ICLTensor *output, bool border_undefined)
43 {
44  configure(CLKernelLibrary::get().get_compile_context(), input, output, border_undefined);
45 }
46 
47 void CLBox3x3Kernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, bool border_undefined)
48 {
51 
52  _input = input;
53  _output = output;
54 
55  // Set build options
56  std::set<std::string> build_opts = { "-DMAT0=1", "-DMAT1=1", "-DMAT2=1",
57  "-DMAT3=1", "-DMAT4=1", "-DMAT5=1",
58  "-DMAT6=1", "-DMAT7=1", "-DMAT8=1",
59  "-DSCALE=9", "-DDATA_TYPE_OUT=uchar"
60  };
61 
62  // Create kernel
63  _kernel = create_kernel(compile_context, "convolution3x3_static", build_opts);
64 
65  // Configure kernel window
66  constexpr unsigned int num_elems_processed_per_iteration = 8;
67  constexpr unsigned int num_elems_read_per_iteration = 16;
68  constexpr unsigned int num_elems_written_per_iteration = 8;
69  constexpr unsigned int num_rows_read_per_iteration = 3;
70 
71  Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size());
72 
73  AccessWindowRectangle input_access(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration);
74  AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration);
75 
76  update_window_and_padding(win, input_access, output_access);
77 
78  output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size());
79 
80  ICLKernel::configure_internal(win);
81 }
unsigned int top
top of the border
Definition: Types.h:375
Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size)
Container for 2D border size.
Definition: Types.h:273
1 channel, 1 U8 per channel
void configure(const ICLTensor *input, ICLTensor *output, bool border_undefined)
Initialise the kernel&#39;s input and output.
static CLKernelLibrary & get()
Access the KernelLibrary singleton.
Copyright (c) 2017-2021 Arm Limited.
virtual ValidRegion valid_region() const =0
Valid region of the tensor.
Implementation of a rectangular access pattern.
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
bool update_window_and_padding(Window &win, Ts &&... patterns)
Update window and padding size for each of the access patterns.
Definition: WindowHelpers.h:46
Class to describe a number of elements in each dimension.
Definition: Steps.h:40
Implementation of a row access pattern.
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
unsigned int left
left of the border
Definition: Types.h:378
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
CLCompileContext class.
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
Manages all the OpenCL kernels compilation and caching, provides accessors for the OpenCL Context...
BorderSize border_size() const override
The size of the border for that kernel.
Wrapper to configure the Khronos OpenCL C++ header.
unsigned int num_elems_processed_per_iteration
Describe a multidimensional execution window.
Definition: Window.h:39