| /* |
| * Copyright (c) 2019-2020 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/CLGEMMMatrixMultiplyNativeKernel.h" |
| |
| #include "arm_compute/core/AccessWindowStatic.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/CL/OpenCL.h" |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Utils.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| #include "arm_compute/core/utils/helpers/float_ops.h" |
| #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| #include "support/StringSupport.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| #include <tuple> |
| |
| using namespace arm_compute::misc::shape_calculator; |
| |
| namespace arm_compute |
| { |
| namespace |
| { |
| using ElementsProcessed = Steps; |
| |
| Status validate_arguments(const ITensorInfo *input0, const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, float alpha, float beta, const GEMMLHSMatrixInfo &lhs_info, |
| const GEMMRHSMatrixInfo &rhs_info, |
| const GEMMKernelInfo &gemm_info) |
| { |
| ARM_COMPUTE_UNUSED(alpha); |
| ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input0, input1, output); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input0, 1, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input0->num_dimensions() > 4, "The number of dimensions for the LHS matrix must be <= 4"); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(input1->num_dimensions() > 3, "The number of dimensions for the RHS matrix must be <= 3"); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(((rhs_info.k0 & (rhs_info.k0 - 1)) && rhs_info.k0 != 3), "Only 2,3,4,8,16 are supported for k0"); |
| ARM_COMPUTE_RETURN_ERROR_ON(rhs_info.k0 > 16); |
| ARM_COMPUTE_RETURN_ERROR_ON(lhs_info.m0 < 1 || lhs_info.m0 > 8); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(((rhs_info.n0 & (rhs_info.n0 - 1)) && rhs_info.n0 != 3), "Only 2,3,4,8,16 are supported for n0"); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG((gemm_info.reinterpret_input_as_3d || gemm_info.depth_output_gemm3d != 0) && (input2 != nullptr) |
| && (!gemm_info.broadcast_bias), |
| "Bias addition only supported with broadcast mode in case the input or output has to be reinterpreted as 3D"); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(gemm_info.fp_mixed_precision, "Mixed precision not supported"); |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(rhs_info.export_to_cl_image, "Export to CLImage not supported for GEMM native"); |
| |
| const unsigned int m = gemm_info.m; |
| const unsigned int n = gemm_info.n; |
| const unsigned int k = gemm_info.k; |
| |
| ARM_COMPUTE_UNUSED(m); |
| ARM_COMPUTE_UNUSED(n); |
| ARM_COMPUTE_UNUSED(k); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON(input0->dimension(0) != k); |
| ARM_COMPUTE_RETURN_ERROR_ON(input1->dimension(0) != n); |
| ARM_COMPUTE_RETURN_ERROR_ON(input1->dimension(1) != k); |
| if(gemm_info.reinterpret_input_as_3d) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON(input0->dimension(1) * input0->dimension(2) != m); |
| } |
| else |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON(input0->dimension(1) != m); |
| } |
| |
| if(input2 != nullptr && !(helpers::float_ops::is_zero(beta))) |
| { |
| const unsigned int input2_dim0 = input2->dimension(0); |
| const unsigned int input2_dim1 = input2->dimension(1); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input2, input1); |
| if(gemm_info.broadcast_bias) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG((input2_dim1 != 1 || input2_dim0 != n), "Incorrect dimension of bias matrix which is to be broadcasted"); |
| } |
| else |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG((input2_dim0 != n || input2_dim1 != m), "Incorrect dimension of bias matrix"); |
| } |
| } |
| |
| if(output->total_size() != 0) |
| { |
| const TensorInfo tensor_info_output = output->clone()->set_tensor_shape(compute_mm_shape(*input0, *input1, gemm_info)); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(output, &tensor_info_output); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input0, output); |
| } |
| |
| return Status{}; |
| } |
| |
| std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input0, ITensorInfo *input1, ITensorInfo *input2, ITensorInfo *output, const GEMMLHSMatrixInfo &lhs_info, |
| const GEMMRHSMatrixInfo &rhs_info, |
| const GEMMKernelInfo &gemm_info, ElementsProcessed &num_elements_processed) |
| { |
| unsigned int &num_elems_processed_per_iteration_x = num_elements_processed[0]; |
| unsigned int &num_elems_processed_per_iteration_y = num_elements_processed[1]; |
| bool reinterpret_input_as_3d = gemm_info.reinterpret_input_as_3d; |
| bool reinterpret_output_as_3d = gemm_info.depth_output_gemm3d != 0; |
| |
| Window win{}; |
| Window win_out{}; |
| bool window_changed = false; |
| |
| // In case both input and output have to be reinterpreted as 3D tensors, |
| // force reinterpret_input_as_3d and reinterpret_output_as_3d to be false. |
| if(reinterpret_input_as_3d == reinterpret_output_as_3d) |
| { |
| reinterpret_output_as_3d = false; |
| } |
| |
| // Output tensor auto initialization if not yet initialized |
| auto_init_if_empty(*output, input0->clone()->set_tensor_shape(compute_mm_shape(*input0, *input1, gemm_info))); |
| |
| TensorInfo tmp_info(*output); |
| |
| if(reinterpret_output_as_3d) |
| { |
| // Since the output tensor has to be reinterpreted as 3D and the execute window is based on a 2D GEMM, |
| // the window needs to be constructed on the 2D collapsed version of the tensor |
| TensorShape tmp_shape(output->tensor_shape()); |
| tmp_shape.collapse(2U, 1U); |
| tmp_info.set_tensor_shape(tmp_shape); |
| } |
| |
| // Configure kernel window |
| num_elems_processed_per_iteration_x = rhs_info.n0; |
| num_elems_processed_per_iteration_y = lhs_info.m0; |
| |
| win = calculate_max_window(tmp_info, Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y)); |
| win_out = calculate_max_window(*output, Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y)); |
| |
| AccessWindowStatic input0_access(input0, 0, 0, |
| input0->dimension(0), |
| input0->dimension(1)); |
| AccessWindowStatic input1_access(input1, 0, 0, |
| ceil_to_multiple(input1->dimension(0), num_elems_processed_per_iteration_x), |
| input1->dimension(1)); |
| AccessWindowStatic output_access(output, 0, 0, |
| output->dimension(0), |
| output->dimension(1)); |
| |
| if(input2 != nullptr) |
| { |
| const int bias_processed_per_iteration_x = num_elems_processed_per_iteration_x; |
| |
| AccessWindowStatic input2_access(input2, 0, 0, |
| ceil_to_multiple(input2->dimension(0), bias_processed_per_iteration_x), |
| input2->dimension(1)); |
| |
| window_changed = update_window_and_padding(win, input0_access, input1_access, input2_access) || // window used by the execute_window_loop |
| update_window_and_padding(win_out, output_access); // window used to update the padding requirements of output tensor |
| } |
| else |
| { |
| window_changed = update_window_and_padding(win, input0_access, input1_access) || // window used by the execute_window_loop |
| update_window_and_padding(win_out, output_access); // window used to update the padding requirements of output tensor |
| } |
| |
| output_access.set_valid_region(win_out, ValidRegion(Coordinates(), output->tensor_shape())); |
| |
| // Collapse along the Z direction |
| // This collapse needs to be here in order to tune the Z dimension of LWS |
| Window collapsed = win; |
| const unsigned int dimension_to_collapse = std::min(static_cast<unsigned int>(output->num_dimensions()), 2u); |
| collapsed = win.collapse(win, dimension_to_collapse); |
| |
| Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| return std::make_pair(err, collapsed); |
| } |
| } // namespace |
| |
| CLGEMMMatrixMultiplyNativeKernel::CLGEMMMatrixMultiplyNativeKernel() |
| : _input0(nullptr), _input1(nullptr), _input2(nullptr), _output(nullptr), _slide_matrix_b(true), _reinterpret_input_as_3d(false), _reinterpret_output_as_3d(false), _use_dummy_work_items(false), |
| _add_bias(false), _broadcast_bias(false) |
| { |
| } |
| |
| void CLGEMMMatrixMultiplyNativeKernel::configure(const ICLTensor *input0, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, float alpha, float beta, |
| const GEMMLHSMatrixInfo &lhs_info, |
| const GEMMRHSMatrixInfo &rhs_info, const GEMMKernelInfo &gemm_info) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input0, input1, input2, output, alpha, beta, lhs_info, rhs_info, gemm_info); |
| } |
| |
| void CLGEMMMatrixMultiplyNativeKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input0, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, float alpha, |
| float beta, |
| const GEMMLHSMatrixInfo &lhs_info, |
| const GEMMRHSMatrixInfo &rhs_info, const GEMMKernelInfo &gemm_info) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input0, input1, output); |
| |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input0->info(), input1->info(), (input2 != nullptr ? input2->info() : nullptr), output->info(), alpha, beta, lhs_info, rhs_info, gemm_info)); |
| |
| _input0 = input0; |
| _input1 = input1; |
| _input2 = helpers::float_ops::is_zero(beta) ? nullptr : input2; |
| _output = output; |
| _reinterpret_input_as_3d = gemm_info.reinterpret_input_as_3d; |
| _reinterpret_output_as_3d = gemm_info.depth_output_gemm3d != 0; |
| _use_dummy_work_items = preferred_dummy_work_items_support(CLKernelLibrary::get().get_device()); |
| _add_bias = _input2 != nullptr; |
| _broadcast_bias = gemm_info.broadcast_bias; |
| |
| // In case both input and output have to be reinterpreted as 3D tensors, |
| // force reinterpret_input_as_3d and reinterpret_output_as_3d to be false. |
| if(_reinterpret_input_as_3d == _reinterpret_output_as_3d) |
| { |
| _reinterpret_input_as_3d = false; |
| _reinterpret_output_as_3d = false; |
| } |
| |
| // Check if we need to slide the matrix B |
| const unsigned int num_dimensions_input0 = _input0->info()->num_dimensions(); |
| _slide_matrix_b = (_input1->info()->num_dimensions() >= num_dimensions_input0); |
| |
| ElementsProcessed num_elements_processed{}; |
| |
| // Configure kernel window |
| auto win_config = validate_and_configure_window(input0->info(), input1->info(), input2 != nullptr ? input2->info() : nullptr, output->info(), lhs_info, rhs_info, gemm_info, num_elements_processed); |
| ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| ICLKernel::configure_internal(win_config.second); |
| |
| // If _reinterpret_input_as_3d = _reinterpret_output_as_3d = true, |
| // we will dispatch a batched-GEMM to reduce the complexity of the address calculation within the OpenCL kernel. |
| // This means that the actual m used by the kernel is given by output->info()->dimension(1) and not by gemm_info.m |
| const unsigned int internal_m = _reinterpret_output_as_3d ? gemm_info.m : output->info()->dimension(1); |
| |
| const unsigned int h_gemm_3d = _reinterpret_output_as_3d ? output->info()->dimension(1) : input0->info()->dimension(1); |
| const unsigned int d_gemm_3d = _reinterpret_output_as_3d ? output->info()->dimension(2) : input0->info()->dimension(2); |
| |
| // Calculate partial (store instead of load) M0 and partial N0 for the partial blocks at the end of a row/column if any. This is to avoid padding. |
| const unsigned int partial_store_m0 = internal_m % lhs_info.m0; |
| const unsigned int partial_store_n0 = gemm_info.n % rhs_info.n0; |
| |
| // Shrink M0 to be always <= M (internal_m) to prevent out-of-bounds reads. |
| // NOTE: This might have implications on heuristics and performance |
| const unsigned int internal_m0 = std::min(internal_m, lhs_info.m0); |
| |
| // Create build options |
| CLBuildOptions build_opts; |
| build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input0->info()->data_type())); |
| build_opts.add_option_if(!(helpers::float_ops::is_one(alpha)), "-DALPHA=" + float_to_string_with_full_precision(alpha)); |
| build_opts.add_option_if(_input2 != nullptr, "-DBETA=" + float_to_string_with_full_precision(beta)); |
| build_opts.add_option_if(helpers::float_ops::is_one(beta), "-DUNIT_BETA"); |
| build_opts.add_option_if(gemm_info.broadcast_bias, "-DBROADCAST_BIAS"); |
| build_opts.add_option_if(_reinterpret_input_as_3d, "-DREINTERPRET_INPUT_AS_3D"); |
| build_opts.add_option_if(_reinterpret_output_as_3d, "-DREINTERPRET_OUTPUT_AS_3D"); |
| build_opts.add_option_if(_reinterpret_input_as_3d || _reinterpret_output_as_3d, "-DHEIGHT_GEMM3D=" + support::cpp11::to_string(h_gemm_3d)); |
| build_opts.add_option_if(_reinterpret_input_as_3d || _reinterpret_output_as_3d, "-DDEPTH_GEMM3D=" + support::cpp11::to_string(d_gemm_3d)); |
| build_opts.add_option_if(!_slide_matrix_b, "-DMATRIX_B_DEPTH=" + support::cpp11::to_string(input1->info()->dimension(2))); |
| build_opts.add_option_if(_use_dummy_work_items, "-DDUMMY_WORK_ITEMS"); |
| build_opts.add_option("-DM=" + support::cpp11::to_string(internal_m)); |
| build_opts.add_option("-DN=" + support::cpp11::to_string(gemm_info.n)); |
| build_opts.add_option("-DK=" + support::cpp11::to_string(gemm_info.k)); |
| build_opts.add_option("-DM0=" + support::cpp11::to_string(internal_m0)); |
| build_opts.add_option("-DN0=" + support::cpp11::to_string(rhs_info.n0)); |
| build_opts.add_option("-DK0=" + support::cpp11::to_string(rhs_info.k0)); |
| build_opts.add_option("-DPARTIAL_STORE_M0=" + support::cpp11::to_string(partial_store_m0)); |
| build_opts.add_option("-DPARTIAL_STORE_N0=" + support::cpp11::to_string(partial_store_n0)); |
| build_opts.add_option_if(gemm_info.activation_info.enabled(), "-DACTIVATION_TYPE=" + lower_string(string_from_activation_func(gemm_info.activation_info.activation()))); |
| build_opts.add_option_if(gemm_info.activation_info.enabled(), "-DA_VAL=" + float_to_string_with_full_precision(gemm_info.activation_info.a())); |
| build_opts.add_option_if(gemm_info.activation_info.enabled(), "-DB_VAL=" + float_to_string_with_full_precision(gemm_info.activation_info.b())); |
| |
| std::string kernel_name("gemm_mm_native"); |
| |
| // Create kernel |
| _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); |
| |
| // Set config_id for enabling LWS tuning |
| _config_id = kernel_name; |
| _config_id += "_"; |
| _config_id += (_add_bias ? "add_bias_" : ""); |
| _config_id += (_broadcast_bias ? "broadcast_bias_" : ""); |
| _config_id += (_reinterpret_input_as_3d ? "3di_" : ""); |
| _config_id += (_reinterpret_output_as_3d ? "3do_" : ""); |
| _config_id += (gemm_info.activation_info.enabled() ? "fused_activation_" : ""); |
| _config_id += lower_string(string_from_data_type(input0->info()->data_type())); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(output->info()->dimension(1)); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(output->info()->dimension(0)); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(gemm_info.k); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(output->info()->dimension(2)); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(lhs_info.m0); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(rhs_info.n0); |
| _config_id += "_"; |
| _config_id += support::cpp11::to_string(rhs_info.k0); |
| } |
| |
| Status CLGEMMMatrixMultiplyNativeKernel::validate(const ITensorInfo *input0, const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, float alpha, float beta, |
| const GEMMLHSMatrixInfo &lhs_info, |
| const GEMMRHSMatrixInfo &rhs_info, const GEMMKernelInfo &gemm_info) |
| { |
| ElementsProcessed num_elements_processed{}; |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input0, input1, input2, output, alpha, beta, lhs_info, rhs_info, gemm_info)); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input0->clone().get(), |
| input1->clone().get(), |
| input2 != nullptr ? input2->clone().get() : nullptr, |
| output->clone().get(), |
| lhs_info, |
| rhs_info, |
| gemm_info, |
| num_elements_processed) |
| .first); |
| |
| return Status{}; |
| } |
| |
| void CLGEMMMatrixMultiplyNativeKernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| |
| if(_input1->info()->num_dimensions() < 3) |
| { |
| // The stride_z for matrix B must be zero if we do not slice |
| ARM_COMPUTE_ERROR_ON(_input1->info()->strides_in_bytes()[3] != 0); |
| } |
| |
| Window slice = window.first_slice_window_3D(); |
| Window slice_matrix_b = slice; |
| |
| slice_matrix_b.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| slice_matrix_b.set(Window::DimY, Window::Dimension(0, 1, 1)); |
| |
| if(_reinterpret_input_as_3d) |
| { |
| // Pass bottom paddings to the kernel if the input has to be reinterpreted as 3D tensor |
| unsigned int idx0; |
| if(_add_bias) |
| { |
| idx0 = 4 * num_arguments_per_2D_tensor() + 4; |
| } |
| else |
| { |
| idx0 = 3 * num_arguments_per_2D_tensor() + 3; |
| } |
| const unsigned int total_cross_plane_pad = _input0->info()->padding().top + _input0->info()->padding().bottom; |
| _kernel.setArg<cl_uint>(idx0, static_cast<unsigned int>(total_cross_plane_pad)); |
| } |
| |
| if(_reinterpret_output_as_3d) |
| { |
| // Pass bottom paddings to the kernel if the output has to be reinterpreted as 3D tensor |
| unsigned int idx0; |
| if(_add_bias) |
| { |
| idx0 = 4 * num_arguments_per_2D_tensor() + 4 + (_reinterpret_input_as_3d ? 1 : 0); |
| } |
| else |
| { |
| idx0 = 3 * num_arguments_per_2D_tensor() + 3 + (_reinterpret_input_as_3d ? 1 : 0); |
| } |
| const unsigned int total_cross_plane_pad = _output->info()->padding().top + _output->info()->padding().bottom; |
| _kernel.setArg<cl_uint>(idx0, static_cast<unsigned int>(total_cross_plane_pad)); |
| } |
| |
| do |
| { |
| Window slice_b = slice; |
| // Don't slice matrix B along the z dimension if matrix B has just 2 dimensions and matrix A more than 2 |
| // This scenario can happen when the matrix multiplication is used to perform a convolution operation |
| if(!_slide_matrix_b) |
| { |
| slice_b = slice_matrix_b; |
| } |
| |
| unsigned int idx = 0; |
| add_2D_tensor_argument(idx, _input0, slice); |
| add_2D_tensor_argument(idx, _input1, slice_b); |
| if(_add_bias) |
| { |
| add_2D_tensor_argument(idx, _input2, slice); |
| } |
| add_2D_tensor_argument(idx, _output, slice); |
| _kernel.setArg<cl_uint>(idx++, static_cast<unsigned int>(_input0->info()->strides_in_bytes()[2])); |
| _kernel.setArg<cl_uint>(idx++, static_cast<unsigned int>(_input1->info()->strides_in_bytes()[2])); |
| if(_add_bias) |
| { |
| _kernel.setArg<cl_uint>(idx++, static_cast<unsigned int>(_input2->info()->strides_in_bytes()[2])); |
| } |
| _kernel.setArg<cl_uint>(idx++, static_cast<unsigned int>(_output->info()->strides_in_bytes()[2])); |
| enqueue(queue, *this, slice, lws_hint(), _use_dummy_work_items); |
| } |
| while(window.slide_window_slice_3D(slice)); |
| } |
| } // namespace arm_compute |