diff options
Diffstat (limited to 'src/core/gpu/cl/kernels/ClPoolingKernel.cpp')
| -rw-r--r-- | src/core/gpu/cl/kernels/ClPoolingKernel.cpp | 502 |
1 files changed, 502 insertions, 0 deletions
diff --git a/src/core/gpu/cl/kernels/ClPoolingKernel.cpp b/src/core/gpu/cl/kernels/ClPoolingKernel.cpp new file mode 100644 index 0000000000..567fec2a37 --- /dev/null +++ b/src/core/gpu/cl/kernels/ClPoolingKernel.cpp @@ -0,0 +1,502 @@ +/* + * Copyright (c) 2017-2021 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 "src/core/gpu/cl/kernels/ClPoolingKernel.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/TensorInfo.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" +#include "src/core/CL/CLValidate.h" +#include "src/core/helpers/AutoConfiguration.h" +#include "src/core/helpers/WindowHelpers.h" +#include "support/Cast.h" +#include "support/StringSupport.h" + +namespace arm_compute +{ +namespace opencl +{ +namespace kernels +{ +using namespace arm_compute::misc::shape_calculator; + +namespace +{ +// Internal window config info +using ClPoolingConfig = std::pair<unsigned int, BorderSize>; //num_elems_processed_per_iteration, border_size + +void auto_init(const ITensorInfo *src, ITensorInfo *dst, ITensorInfo *indices, PoolingLayerInfo pool_info) +{ + TensorShape out_shape = compute_pool_shape(*src, pool_info); + auto_init_if_empty(*dst, src->clone()->set_tensor_shape(out_shape)); + if(indices) + { + auto_init_if_empty(*indices, src->clone()->set_tensor_shape(out_shape).set_data_type(DataType::U32)); + } +} + +Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, const PoolingLayerInfo &pool_info, const ITensorInfo *indices) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON_F16_UNSUPPORTED(src); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::QASYMM8, DataType::QASYMM8_SIGNED, DataType::F16, DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_MSG((is_data_type_quantized_asymmetric(src->data_type()) && pool_info.pool_type == PoolingType::L2), + "Unsupported combination of parameters!"); + + // Check indices + if(indices) + { + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::F16, DataType::F32); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(pool_info.pool_type != PoolingType::MAX, "Pooling indices only supported for MAX pooling method"); + ARM_COMPUTE_RETURN_ERROR_ON_MSG((pool_info.pool_size != Size2D(2, 2)), "Pooling indices only supported for pool size 2x2"); + + if(indices->total_size() != 0) + { + TensorInfo idx_info(TensorInfo(compute_pool_shape(*src, pool_info), 1, DataType::U32)); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(indices, &idx_info); + } + } + + // Checks performed when dst is configured + if(dst->total_size() != 0) + { + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(src, dst); + TensorInfo out_info(TensorInfo(compute_pool_shape(*src, pool_info), 1, dst->data_type())); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(dst, &out_info); + } + + return Status{}; +} + +std::tuple<Status, Window, ClPoolingConfig> validate_and_configure_window(ITensorInfo *src, ITensorInfo *dst, const PoolingLayerInfo &pool_info, ITensorInfo *indices = nullptr) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); + + // Get data layout + const DataLayout data_layout = pool_info.data_layout == DataLayout::UNKNOWN ? src->data_layout() : pool_info.data_layout; + const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); + const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); + + int pool_stride_x = 0; + int pool_stride_y = 0; + unsigned int pooled_w = 0; + unsigned int pooled_h = 0; + int pool_size_x = pool_info.is_global_pooling ? src->dimension(idx_width) : pool_info.pool_size.width; + int pool_size_y = pool_info.is_global_pooling ? src->dimension(idx_height) : pool_info.pool_size.height; + const PadStrideInfo pad_stride_info = pool_info.pad_stride_info; + std::tie(pool_stride_x, pool_stride_y) = pad_stride_info.stride(); + const int pool_pad_right = pad_stride_info.pad_right(); + const int pool_pad_top = pad_stride_info.pad_top(); + const int pool_pad_left = pad_stride_info.pad_left(); + const int pool_pad_bottom = pad_stride_info.pad_bottom(); + BorderSize border_size = BorderSize(); + + auto_init(src, dst, indices, pool_info); + pooled_w = dst->tensor_shape()[idx_width]; + pooled_h = dst->tensor_shape()[idx_height]; + + const DataType data_type = src->data_type(); + + const int src_width = src->dimension(idx_width); + const int src_height = src->dimension(idx_height); + + unsigned int num_elems_processed_per_iteration = 0; + bool window_changed = false; + Window win{}; + switch(data_layout) + { + case DataLayout::NCHW: + { + // Initialize border size + border_size = BorderSize(pool_pad_top, pool_pad_right, pool_pad_bottom, pool_pad_left); + // Change the number of elements processed per iteration + // for pooling 3x3 with stride less equal than 3 + const bool can_optimize = (pool_size_x == 3) && (pool_size_y == 3) && (pool_stride_x <= 3) && !is_data_type_quantized(data_type); + num_elems_processed_per_iteration = can_optimize ? 4 : 1; + const unsigned int num_elems_read_per_iteration = (num_elems_processed_per_iteration - 1) * pool_stride_x + pool_size_x; + + // Number of iterations in X dimension + const int num_iterations_x = (pooled_w + num_elems_processed_per_iteration - 1) / num_elems_processed_per_iteration; + + // Upper limit for the number of right/bottom border elements that are accessed + const int upper_bound_w = ((num_iterations_x - 1) * num_elems_processed_per_iteration * pool_stride_x - pool_pad_left + num_elems_read_per_iteration) - src_width; + const int upper_bound_h = ((pooled_h - 1) * pool_stride_y - pool_pad_top + pool_size_y) - src_height; + + border_size.right = std::max(upper_bound_w, pool_pad_right); + border_size.bottom = std::max(upper_bound_h, pool_pad_bottom); + + win = calculate_max_window(*dst, Steps(num_elems_processed_per_iteration)); + + AccessWindowRectangle src_access(src, -pool_pad_left, -pool_pad_top, num_elems_read_per_iteration, pool_size_y, + pool_stride_x, pool_stride_y); + AccessWindowHorizontal dst_access(dst, 0, num_elems_processed_per_iteration); + + // Update indices window + if(indices) + { + AccessWindowHorizontal indices_access(indices, 0, num_elems_processed_per_iteration); + window_changed = update_window_and_padding(win, src_access, dst_access, indices_access); + indices_access.set_valid_region(win, ValidRegion(Coordinates(), indices->tensor_shape())); + } + else + { + window_changed = update_window_and_padding(win, src_access, dst_access); + } + + dst_access.set_valid_region(win, ValidRegion(Coordinates(), dst->tensor_shape())); + break; + } + case DataLayout::NHWC: + { + // Initialize border size + border_size = BorderSize(); + num_elems_processed_per_iteration = adjust_vec_size(4, dst->dimension(0)); + win = calculate_max_window(*dst, Steps(num_elems_processed_per_iteration)); + + if(indices != nullptr) + { + indices->set_valid_region(ValidRegion(Coordinates(), indices->tensor_shape())); + } + + dst->set_valid_region(ValidRegion(Coordinates(), dst->tensor_shape())); + break; + } + default: + ARM_COMPUTE_ERROR("Not implemented"); + } + + Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; + return std::make_tuple(err, win, ClPoolingConfig(num_elems_processed_per_iteration, border_size)); +} +} // namespace + +ClPoolingKernel::ClPoolingKernel() + : _pool_info(), _data_layout(DataLayout::UNKNOWN), _border_size(0), _num_elems_processed_per_iteration(1) +{ +} + +BorderSize ClPoolingKernel::border_size() const +{ + return _border_size; +} + +void ClPoolingKernel::configure(const ClCompileContext &compile_context, ITensorInfo *src, ITensorInfo *dst, const PoolingLayerInfo &pool_info, ITensorInfo *indices) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); + + auto padding_info = get_padding_info({ src, dst, indices }); + + // Set instance variables + _pool_info = pool_info; + _data_layout = pool_info.data_layout == DataLayout::UNKNOWN ? src->data_layout() : pool_info.data_layout; + int pool_stride_x = 0; + int pool_stride_y = 0; + const PoolingType pool_type = pool_info.pool_type; + const int idx_width = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::WIDTH); + const int idx_height = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::HEIGHT); + const int idx_channel = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::CHANNEL); + const int idx_batch_size = get_data_layout_dimension_index(_data_layout, DataLayoutDimension::BATCHES); + const int pool_size_x = pool_info.is_global_pooling ? src->dimension(idx_width) : pool_info.pool_size.width; + const int pool_size_y = pool_info.is_global_pooling ? src->dimension(idx_height) : pool_info.pool_size.height; + const PadStrideInfo pad_stride_info = pool_info.pad_stride_info; + const bool exclude_padding = pool_info.exclude_padding; + std::tie(pool_stride_x, pool_stride_y) = pad_stride_info.stride(); + const int pool_pad_top = pad_stride_info.pad_top(); + const int pool_pad_left = pad_stride_info.pad_left(); + + // Set build options + CLBuildOptions build_opts; + const DataType data_type = src->data_type(); + + // Configure kernel window + auto win_config = validate_and_configure_window(src, dst, pool_info, indices); + + ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config)); + ICLKernel::configure_internal(std::get<1>(win_config)); + + ClPoolingConfig pooling_config = std::get<2>(win_config); + _num_elems_processed_per_iteration = pooling_config.first; + _border_size = pooling_config.second; + + build_opts.add_option("-DVEC_SIZE=" + support::cpp11::to_string(_num_elems_processed_per_iteration)); + + // Tensor paddings are used to calculate the indicies for MAX pooling + if(pool_info.pool_size == Size2D(2, 2) && pool_type == PoolingType::MAX && indices && is_data_type_float(data_type)) + { + build_opts.add_option("-DPAD_TENSOR_LEFT=" + support::cpp11::to_string(src->padding().left)); + build_opts.add_option("-DPAD_TENSOR_RIGHT=" + support::cpp11::to_string(src->padding().right)); + build_opts.add_option("-DPAD_TENSOR_TOP=" + support::cpp11::to_string(src->padding().top)); + build_opts.add_option("-DPAD_TENSOR_BOTTOM=" + support::cpp11::to_string(src->padding().bottom)); + build_opts.add_option("-DTENSOR_CHANNEL=" + support::cpp11::to_string(src->dimension(idx_channel))); + build_opts.add_option("-DTENSOR_WIDTH=" + support::cpp11::to_string(src->dimension(idx_width))); + build_opts.add_option("-DTENSOR_HEIGHT=" + support::cpp11::to_string(src->dimension(idx_height))); + } + + if(is_data_type_quantized_asymmetric(data_type) && src->quantization_info() != dst->quantization_info()) + { + const UniformQuantizationInfo iq_info = src->quantization_info().uniform(); + const UniformQuantizationInfo oq_info = dst->quantization_info().uniform(); + + build_opts.add_option("-DOFFSET_IN1=" + float_to_string_with_full_precision(iq_info.offset)); + build_opts.add_option("-DOFFSET_OUT=" + float_to_string_with_full_precision(oq_info.offset)); + build_opts.add_option("-DSCALE_IN1=" + float_to_string_with_full_precision(iq_info.scale)); + build_opts.add_option("-DSCALE_OUT=" + float_to_string_with_full_precision(oq_info.scale)); + } + + // Check dst dimensions + auto_init(src, dst, indices, pool_info); + + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, pool_info, indices)); + + build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(data_type)); + build_opts.add_option("-DPOOL_" + string_from_pooling_type(pool_type)); + build_opts.add_option("-DSTRIDE_X=" + support::cpp11::to_string(pool_stride_x)); + build_opts.add_option("-DSTRIDE_Y=" + support::cpp11::to_string(pool_stride_y)); + build_opts.add_option("-DPAD_X=" + support::cpp11::to_string(pool_pad_left)); + build_opts.add_option("-DPAD_Y=" + support::cpp11::to_string(pool_pad_top)); + build_opts.add_option("-DPOOL_SIZE_X=" + support::cpp11::to_string(pool_size_x)); + build_opts.add_option("-DPOOL_SIZE_Y=" + support::cpp11::to_string(pool_size_y)); + + // Set the initial value for the pooling operation accordingly with the data type + if(pool_type == PoolingType::MAX) + { + if(is_data_type_quantized(data_type)) + { + PixelValue type_min{}; + std::tie(type_min, std::ignore) = get_min_max(data_type); + build_opts.add_option("-DINITIAL_VALUE=" + support::cpp11::to_string(type_min.get<int32_t>())); + } + else + { + build_opts.add_option("-DINITIAL_VALUE=" + float_to_string_with_full_precision(std::numeric_limits<float>::lowest())); + } + } + else + { + // Pool AVG and Pool L2 initial value + build_opts.add_option("-DINITIAL_VALUE=0"); + } + + build_opts.add_option("-DMAX_WIDTH=" + support::cpp11::to_string(src->dimension(idx_width) + (exclude_padding ? 0 : pool_pad_left))); + build_opts.add_option("-DMAX_HEIGHT=" + support::cpp11::to_string(src->dimension(idx_height) + (exclude_padding ? 0 : pool_pad_top))); + + // Create kernel + switch(_data_layout) + { + case DataLayout::NCHW: + { + const auto use_fp_mixed_precision = (data_type == DataType::F16) && pool_info.fp_mixed_precision; + const auto use_wider_accumulator = use_fp_mixed_precision && (pool_type != PoolingType::MAX); + const auto acc_data_type = get_cl_type_from_data_type(use_wider_accumulator ? DataType::F32 : data_type); + build_opts.add_option("-DACC_DATA_TYPE=" + acc_data_type); + build_opts.add_option_if(use_wider_accumulator, "-DFP_MIXED_PRECISION"); + + if(pool_type != PoolingType::MAX) + { + build_opts.add_option_if(exclude_padding, "-DEXCLUDE_PADDING"); + } + + if((pool_size_x == 3) && (pool_size_y == 3) && !is_data_type_quantized_asymmetric(data_type)) + { + // Check if we have pool3x3 with stride_x less equal than 3. In these cases, run an optimized OpenCL kernel where + // each thread computes 4 dst elements + const bool is_pool3x3_stride_le3 = (pool_size_x == 3) && (pool_size_y == 3) && (pool_stride_x <= 3); + + std::string kernel_name = ((is_pool3x3_stride_le3) ? "pooling_layer_optimized_" : "pooling_layer_") + + support::cpp11::to_string(pool_size_x); + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + } + else if(pool_info.pool_size == Size2D(2, 2) && pool_type == PoolingType::MAX && indices && is_data_type_float(data_type)) + { + // For max pooling with pool2x2, store indicies which will be used in max unpooling + if(data_type == DataType::F32) + { + std::string kernel_name = "pooling_layer_2_nchw_indices_fp32"; + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + } + else if(data_type == DataType::F16) + { + std::string kernel_name = "pooling_layer_2_nchw_indices_fp16"; + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + } + } + else // Run general case + { + std::string kernel_name = is_data_type_quantized_asymmetric(data_type) ? "pooling_layer_MxN_quantized_nchw" : "pooling_layer_MxN_nchw"; + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + } + break; + } + case DataLayout::NHWC: + { + // Floating point mixed precision is support on F16 only + const auto use_fp_mixed_precision = (data_type == DataType::F16) && pool_info.fp_mixed_precision && pool_type != PoolingType::MAX; + + // Wider accumulation is required to avoid accuracy loss + // Case 1: Floating point mixed precision (fp16 src data and fp32 accumulation) + // Cast 2: Quantized (int8/uint8 src data and int32 accumulation ) + DataType acc_data_type = data_type; + + if(use_fp_mixed_precision) + { + acc_data_type = DataType::F32; + } + else if(is_data_type_quantized(data_type) && pool_type != PoolingType::MAX) + { + acc_data_type = DataType::S32; + } + + build_opts.add_option("-DACC_DATA_TYPE=" + get_cl_type_from_data_type(acc_data_type)); + build_opts.add_option_if(use_fp_mixed_precision, "-DFP_MIXED_PRECISION"); + build_opts.add_option_if(exclude_padding, "-DEXCLUDE_PADDING"); + build_opts.add_option("-DSRC_WIDTH=" + support::cpp11::to_string(src->dimension(idx_width))); + build_opts.add_option("-DSRC_HEIGHT=" + support::cpp11::to_string(src->dimension(idx_height))); + build_opts.add_option("-DDST_HEIGHT=" + support::cpp11::to_string(dst->dimension(idx_height))); + build_opts.add_option("-DDST_CHANNELS=" + support::cpp11::to_string(dst->dimension(idx_channel))); + build_opts.add_option("-DDST_BATCH_SIZE=" + support::cpp11::to_string(dst->dimension(idx_batch_size))); + build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(src->dimension(0) % _num_elems_processed_per_iteration)); + if(pool_info.pool_size == Size2D(2, 2) && is_data_type_float(data_type)) + { + build_opts.add_option_if(indices != nullptr && pool_type == PoolingType::MAX, "-DEXTRACT_MAX_INDEX"); + + std::string kernel_name = "pooling_layer_2x2_nhwc"; + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + } + else + { + std::string kernel_name = is_data_type_quantized_asymmetric(data_type) ? "pooling_layer_MxN_quantized_nhwc" : "pooling_layer_MxN_nhwc"; + _kernel = create_kernel(compile_context, kernel_name, build_opts.options()); + } + break; + } + default: + ARM_COMPUTE_ERROR("Not implemented"); + } + + // Set config_id for enabling LWS tuning + _config_id = "pooling_layer_"; + _config_id += lower_string(string_from_data_type(data_type)); + _config_id += "_"; + _config_id += lower_string(string_from_data_layout(_data_layout)); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(idx_width)); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(idx_height)); + _config_id += "_"; + _config_id += support::cpp11::to_string(dst->dimension(idx_channel)); + _config_id += "_"; + _config_id += lower_string(string_from_data_layout(src->data_layout())); + + ARM_COMPUTE_ERROR_ON(src->data_layout() == DataLayout::NHWC && has_padding_changed(padding_info)); +} + +Status ClPoolingKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, const PoolingLayerInfo &pool_info, const ITensorInfo *indices) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, pool_info, indices)); + ARM_COMPUTE_RETURN_ON_ERROR(std::get<0>(validate_and_configure_window(src->clone().get(), dst->clone().get(), pool_info))); + + return Status{}; +} + +void ClPoolingKernel::run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + unsigned int pool_stride_x = 0; + unsigned int pool_stride_y = 0; + std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info.stride(); + + const auto src = utils::cast::polymorphic_downcast<const ICLTensor *>(tensors.get_const_tensor(TensorType::ACL_SRC)); + auto dst = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST_0)); + auto indices = utils::cast::polymorphic_downcast<ICLTensor *>(tensors.get_tensor(TensorType::ACL_DST_1)); + + // Collapse window + Window window_collapsed = window.collapse_if_possible(ICLKernel::window(), Window::DimZ); + + switch(_data_layout) + { + case DataLayout::NCHW: + { + Window slice = window_collapsed.first_slice_window_3D(); + do + { + // Upsample src by pool size + Window in_slice(slice); + in_slice.set(Window::DimX, Window::Dimension(in_slice.x().start() - _pool_info.pad_stride_info.pad_left(), + (in_slice.x().end() - _pool_info.pad_stride_info.pad_left()) * pool_stride_x, + pool_stride_x * _num_elems_processed_per_iteration)); + in_slice.set(Window::DimY, Window::Dimension(in_slice.y().start() - _pool_info.pad_stride_info.pad_top(), + (in_slice.y().end() - _pool_info.pad_stride_info.pad_top()) * pool_stride_y, + pool_stride_y)); + + // Set srcs + unsigned int idx = 0; + add_3D_tensor_argument(idx, src, in_slice); + add_3D_tensor_argument(idx, dst, slice); + if(indices && is_data_type_float(src->info()->data_type()) && (_pool_info.pool_size == Size2D(2, 2))) + { + add_3D_tensor_argument(idx, indices, slice); + } + enqueue(queue, *this, slice, lws_hint()); + } + while(window_collapsed.slide_window_slice_3D(slice)); + break; + } + case DataLayout::NHWC: + { + const size_t batch_size = dst->info()->tensor_shape().total_size_upper(3); + + Window slice = window_collapsed.first_slice_window_4D(); + Window in_slice = window_collapsed.first_slice_window_4D(); + in_slice.set(Window::DimX, Window::Dimension(0, src->info()->dimension(0), _num_elems_processed_per_iteration)); + in_slice.set(Window::DimY, Window::Dimension(0, src->info()->dimension(1), pool_stride_x)); + in_slice.set(Window::DimZ, Window::Dimension(0, src->info()->dimension(2), pool_stride_y)); + in_slice.set(3, Window::Dimension(0, batch_size, 1)); + do + { + // Set srcs + unsigned int idx = 0; + add_4D_tensor_argument(idx, src, in_slice); + add_4D_tensor_argument(idx, dst, slice); + if(indices && is_data_type_float(src->info()->data_type()) && (_pool_info.pool_type == PoolingType::MAX) && (_pool_info.pool_size == Size2D(2, 2))) + { + add_4D_tensor_argument(idx, indices, slice); + } + enqueue(queue, *this, slice, lws_hint()); + } + while(window.slide_window_slice_4D(slice) && window.slide_window_slice_4D(in_slice)); + break; + } + default: + ARM_COMPUTE_ERROR("Not implemented"); + } +} +} // namespace kernels +} // namespace opencl +} // namespace arm_compute |