Compute Library
 21.02
CLFFTScaleKernel.cpp
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25 
29 #include "src/core/CL/CLValidate.h"
32 #include "support/StringSupport.h"
33 
34 namespace arm_compute
35 {
36 namespace
37 {
38 Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output)
39 {
42 
43  // Checks performed when output is configured
44  if((output != nullptr) && (output->total_size() != 0))
45  {
46  ARM_COMPUTE_RETURN_ERROR_ON(output->num_channels() != 1 && output->num_channels() != 2);
49  }
50 
51  return Status{};
52 }
53 
54 std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output)
55 {
56  // Configure kernel window
57  Window win = calculate_max_window(*input, Steps());
58 
59  if(output != nullptr)
60  {
61  // Output auto inizialitation if not yet initialized
62  auto_init_if_empty(*output, *input->clone());
63 
64  // CLFFTScaleKernel doesn't need padding so update_window_and_padding() can be skipped
65  Coordinates coord;
66  coord.set_num_dimensions(output->num_dimensions());
67  output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
68  }
69 
70  return std::make_pair(Status{}, win);
71 }
72 } // namespace
73 
75  : _input(nullptr), _output(nullptr), _run_in_place(false)
76 {
77 }
78 
80 {
81  configure(CLKernelLibrary::get().get_compile_context(), input, output, config);
82 }
83 
84 void CLFFTScaleKernel::configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, const FFTScaleKernelInfo &config)
85 {
87  ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), (output != nullptr) ? output->info() : nullptr));
88  auto padding_info = get_padding_info({ input, output });
89 
90  _input = input;
91  _output = output;
92  _run_in_place = (output == nullptr) || (output == input);
93 
94  // Create kernel
95  CLBuildOptions build_opts;
96  build_opts.add_option_if(_run_in_place, "-DIN_PLACE");
97  build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(output != nullptr ? output->info()->num_channels() : input->info()->num_channels()));
98  build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()));
99  build_opts.add_option_if(config.conjugate, "-DCONJ");
100  std::string kernel_name = "fft_scale_conj";
101  _kernel = create_kernel(compile_context, kernel_name, build_opts.options());
102 
103  // Set static arguments
104  unsigned int idx = (1 + (_run_in_place ? 0 : 1)) * num_arguments_per_3D_tensor(); // Skip the input and output parameters
105  _kernel.setArg<cl_float>(idx, config.scale);
106 
107  // Configure kernel window
108  auto win_config = validate_and_configure_window(input->info(), _run_in_place ? nullptr : output->info());
109  ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
110  ICLKernel::configure_internal(win_config.second);
111 
112  // Set config_id for enabling LWS tuning
113  _config_id = kernel_name;
114  _config_id += "_";
115  _config_id += lower_string(string_from_data_type(input->info()->data_type()));
116  _config_id += "_";
117  _config_id += support::cpp11::to_string(input->info()->dimension(0));
118  _config_id += "_";
119  _config_id += support::cpp11::to_string(input->info()->dimension(1));
121 }
122 
124 {
125  ARM_COMPUTE_UNUSED(config);
127  ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), output->clone().get()).first);
128 
129  return Status{};
130 }
131 
132 void CLFFTScaleKernel::run(const Window &window, cl::CommandQueue &queue)
133 {
136 
138  Window slice = collapsed.first_slice_window_3D();
139 
140  do
141  {
142  unsigned int idx = 0;
143  add_3D_tensor_argument(idx, _input, slice);
144  if(!_run_in_place)
145  {
146  add_3D_tensor_argument(idx, _output, slice);
147  }
148  enqueue(queue, *this, slice, lws_hint());
149  }
150  while(collapsed.slide_window_slice_3D(slice));
151 }
152 } // namespace arm_compute
Window calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size)
#define ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(tensor)
Definition: CLValidate.h:35
const Window & window() const
The maximum window the kernel can be executed on.
Definition: IKernel.cpp:28
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.
cl::NDRange lws_hint() const
Return the Local-Workgroup-Size hint.
Definition: ICLKernel.h:276
#define ARM_COMPUTE_RETURN_ON_ERROR(status)
Checks if a status contains an error and returns it.
Definition: Error.h:204
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
#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
static CLKernelLibrary & get()
Access the KernelLibrary singleton.
Store the tensor&#39;s metadata.
Definition: ITensorInfo.h:40
#define ARM_COMPUTE_ERROR_THROW_ON(status)
Definition: Error.h:455
Status class.
Definition: Error.h:52
std::string lower_string(const std::string &val)
Lower a given string.
Definition: Utils.cpp:350
#define ARM_COMPUTE_RETURN_ERROR_ON(cond)
If the condition is true, an error is returned.
Definition: Error.h:296
void add_3D_tensor_argument(unsigned int &idx, const ICLTensor *tensor, 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: ICLKernel.h:172
void configure(ICLTensor *input, ICLTensor *output, const FFTScaleKernelInfo &config)
Set the input and output tensors.
Copyright (c) 2017-2021 Arm Limited.
1 channel, 1 F16 per channel
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
const std::string & string_from_data_type(DataType dt)
Convert a data type identity into a string.
Definition: Utils.cpp:135
static constexpr unsigned int num_arguments_per_3D_tensor()
Returns the number of arguments enqueued per 3D tensor object.
Definition: ICLKernel.h:214
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
Window collapse_if_possible(const Window &full_window, size_t first, size_t last, bool *has_collapsed=nullptr) const
Collapse the dimensions between first and last if possible.
Definition: Window.inl:68
std::string kernel_name
std::string get_cl_type_from_data_type(const DataType &dt)
Translates a tensor data type to the appropriate OpenCL type.
Definition: CLHelpers.cpp:37
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...
Descriptor for FFT scale kernels.
virtual std::unique_ptr< T > clone() const =0
Provide a clone of the current object of class T.
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
void add_option_if(bool cond, std::string option)
Adds option if a given condition is true;.
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
void run(const Window &window, cl::CommandQueue &queue) override
Enqueue the OpenCL kernel to process the given window on the passed OpenCL command queue...
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
CLCompileContext class.
static Status validate(const ITensorInfo *input, const ITensorInfo *output, const FFTScaleKernelInfo &config)
Static function to check if given info will lead to a valid configuration of CLFFTScaleKernel.
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
#define ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(...)
Definition: Validate.h:443
static constexpr size_t DimZ
Alias for dimension 2 also known as Z dimension.
Definition: Window.h:47
Manages all the OpenCL kernels compilation and caching, provides accessors for the OpenCL Context...
#define ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(...)
Definition: Validate.h:545
#define ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:792
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
Status validate_arguments(const ITensorInfo *input, const ITensorInfo *bias, const ITensorInfo *output, const GEMMLowpOutputStageInfo *output_stage)
#define ARM_COMPUTE_ERROR_ON_NULLPTR(...)
Definition: Validate.h:161
float scale
Axis to perform the kernel on.
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
virtual size_t num_channels() const =0
The number of channels for each tensor element.
bool conjugate
Flag to conjugate the output/.
#define ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(f, s)
Definition: Validate.h:205
SimpleTensor< T > slice(const SimpleTensor< T > &src, Coordinates starts, Coordinates ends)