| /* |
| * Copyright (c) 2017-2020 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "arm_compute/core/CL/kernels/CLMinMaxLocationKernel.h" |
| |
| #include "arm_compute/core/CL/CLHelpers.h" |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/core/CL/ICLTensor.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| #include "support/StringSupport.h" |
| |
| #include <climits> |
| |
| namespace arm_compute |
| { |
| inline int32_t FloatFlip(float val) |
| { |
| static_assert(sizeof(float) == sizeof(int32_t), "Float must be same size as int32_t"); |
| int32_t int_val = 0; |
| |
| memcpy(&int_val, &val, sizeof(float)); |
| int_val = (int_val >= 0) ? int_val : int_val ^ 0x7FFFFFFF; |
| return int_val; |
| } |
| |
| inline float IFloatFlip(int32_t val) |
| { |
| static_assert(sizeof(float) == sizeof(int32_t), "Float must be same size as int32_t"); |
| float flt_val = 0.f; |
| |
| val = (val >= 0) ? val : val ^ 0x7FFFFFFF; |
| memcpy(&flt_val, &val, sizeof(float)); |
| return flt_val; |
| } |
| |
| CLMinMaxKernel::CLMinMaxKernel() |
| : _input(nullptr), _min_max(), _data_type_max_min() |
| { |
| } |
| |
| void CLMinMaxKernel::configure(const ICLImage *input, cl::Buffer *min_max) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, min_max); |
| } |
| |
| void CLMinMaxKernel::configure(CLCompileContext &compile_context, const ICLImage *input, cl::Buffer *min_max) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); |
| ARM_COMPUTE_ERROR_ON(min_max == nullptr); |
| |
| _input = input; |
| _min_max = min_max; |
| const unsigned int num_elems_processed_per_iteration = input->info()->dimension(0); |
| |
| switch(input->info()->data_type()) |
| { |
| case DataType::U8: |
| _data_type_max_min[0] = UCHAR_MAX; |
| _data_type_max_min[1] = 0; |
| break; |
| case DataType::S16: |
| _data_type_max_min[0] = SHRT_MAX; |
| _data_type_max_min[1] = SHRT_MIN; |
| break; |
| case DataType::F32: |
| _data_type_max_min[0] = FloatFlip(std::numeric_limits<float>::max()); |
| _data_type_max_min[1] = FloatFlip(std::numeric_limits<float>::lowest()); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("You called with the wrong image data types"); |
| } |
| |
| // Set kernel build options |
| std::set<std::string> build_opts{ "-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()) }; |
| |
| if(num_elems_processed_per_iteration % max_cl_vector_width != 0) |
| { |
| build_opts.emplace("-DNON_MULTIPLE_OF_16"); |
| } |
| |
| if(input->info()->data_type() == DataType::F32) |
| { |
| build_opts.emplace("-DDATA_TYPE_MAX=" + support::cpp11::to_string(std::numeric_limits<float>::max())); |
| build_opts.emplace("-DDATA_TYPE_MIN=" + support::cpp11::to_string(std::numeric_limits<float>::lowest())); |
| build_opts.emplace("-DIS_DATA_TYPE_FLOAT"); |
| } |
| else |
| { |
| build_opts.emplace("-DDATA_TYPE_MAX=" + support::cpp11::to_string(_data_type_max_min[0])); |
| build_opts.emplace("-DDATA_TYPE_MIN=" + support::cpp11::to_string(_data_type_max_min[1])); |
| } |
| |
| // Create kernel |
| _kernel = create_kernel(compile_context, "minmax", build_opts); |
| |
| // Set fixed arguments |
| unsigned int idx = num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| _kernel.setArg(idx++, *_min_max); |
| _kernel.setArg<cl_int>(idx++, static_cast<cl_int>(input->info()->dimension(0))); |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); |
| update_window_and_padding(win, AccessWindowHorizontal(input->info(), 0, ceil_to_multiple(num_elems_processed_per_iteration, 16))); |
| ICLKernel::configure_internal(win); |
| } |
| |
| void CLMinMaxKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| |
| // Reset mininum and maximum values |
| queue.enqueueWriteBuffer(*_min_max, CL_FALSE /* blocking */, 0, _data_type_max_min.size() * sizeof(int), _data_type_max_min.data()); |
| |
| Window slice = window.first_slice_window_2D(); |
| do |
| { |
| unsigned int idx = 0; |
| add_2D_tensor_argument(idx, _input, slice); |
| enqueue(queue, *this, slice, lws_hint()); |
| } |
| while(window.slide_window_slice_2D(slice)); |
| |
| cl_int min = 0; |
| cl_int max = 0; |
| queue.enqueueReadBuffer(*_min_max, CL_TRUE /* blocking */, 0 * sizeof(cl_int), sizeof(cl_int), static_cast<int *>(&min)); |
| queue.enqueueReadBuffer(*_min_max, CL_TRUE /* blocking */, 1 * sizeof(cl_int), sizeof(cl_int), static_cast<int *>(&max)); |
| |
| if(_input->info()->data_type() == DataType::F32) |
| { |
| std::array<float, 2> min_max = |
| { |
| { |
| IFloatFlip(min), |
| IFloatFlip(max) |
| } |
| }; |
| queue.enqueueWriteBuffer(*_min_max, CL_TRUE /* blocking */, 0, min_max.size() * sizeof(float), min_max.data()); |
| } |
| else |
| { |
| std::array<int32_t, 2> min_max = { { min, max } }; |
| queue.enqueueWriteBuffer(*_min_max, CL_TRUE /* blocking */, 0, min_max.size() * sizeof(int32_t), min_max.data()); |
| } |
| } |
| |
| CLMinMaxLocationKernel::CLMinMaxLocationKernel() |
| : _input(nullptr), _min_max_count(nullptr) |
| { |
| } |
| |
| void CLMinMaxLocationKernel::configure(const ICLImage *input, cl::Buffer *min_max, cl::Buffer *min_max_count, ICLCoordinates2DArray *min_loc, ICLCoordinates2DArray *max_loc) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, min_max, min_max_count, min_loc, max_loc); |
| } |
| |
| void CLMinMaxLocationKernel::configure(CLCompileContext &compile_context, const ICLImage *input, cl::Buffer *min_max, cl::Buffer *min_max_count, ICLCoordinates2DArray *min_loc, |
| ICLCoordinates2DArray *max_loc) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); |
| ARM_COMPUTE_ERROR_ON(min_max == nullptr); |
| ARM_COMPUTE_ERROR_ON(min_max_count == nullptr && min_loc == nullptr && max_loc == nullptr); |
| |
| _input = input; |
| _min_max_count = min_max_count; |
| |
| // Set kernel build options |
| std::set<std::string> build_opts; |
| build_opts.emplace("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())); |
| build_opts.emplace((min_max_count != nullptr) ? "-DCOUNT_MIN_MAX" : ""); |
| build_opts.emplace((min_loc != nullptr) ? "-DLOCATE_MIN" : ""); |
| build_opts.emplace((max_loc != nullptr) ? "-DLOCATE_MAX" : ""); |
| if(input->info()->data_type() == DataType::F32) |
| { |
| build_opts.emplace("-DIS_DATA_TYPE_FLOAT"); |
| } |
| |
| // Create kernel |
| _kernel = create_kernel(compile_context, "minmaxloc", build_opts); |
| |
| // Set static arguments |
| unsigned int idx = num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| _kernel.setArg(idx++, *min_max); |
| _kernel.setArg(idx++, *min_max_count); |
| if(min_loc != nullptr) |
| { |
| _kernel.setArg(idx++, min_loc->cl_buffer()); |
| _kernel.setArg<cl_uint>(idx++, min_loc->max_num_values()); |
| } |
| if(max_loc != nullptr) |
| { |
| _kernel.setArg(idx++, max_loc->cl_buffer()); |
| _kernel.setArg<cl_uint>(idx++, max_loc->max_num_values()); |
| } |
| |
| // Configure kernel window |
| constexpr unsigned int num_elems_processed_per_iteration = 1; |
| Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); |
| update_window_and_padding(win, AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration)); |
| ICLKernel::configure_internal(win); |
| } |
| |
| void CLMinMaxLocationKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| |
| static const unsigned int zero_count = 0; |
| queue.enqueueWriteBuffer(*_min_max_count, CL_FALSE, 0 * sizeof(zero_count), sizeof(zero_count), &zero_count); |
| queue.enqueueWriteBuffer(*_min_max_count, CL_FALSE, 1 * sizeof(zero_count), sizeof(zero_count), &zero_count); |
| |
| Window slice = window.first_slice_window_2D(); |
| do |
| { |
| unsigned int idx = 0; |
| add_2D_tensor_argument(idx, _input, slice); |
| enqueue(queue, *this, slice, lws_hint()); |
| } |
| while(window.slide_window_slice_2D(slice)); |
| } |
| } // namespace arm_compute |