diff options
Diffstat (limited to 'src/core/cpu/kernels/CpuPool2dKernel.cpp')
| -rw-r--r-- | src/core/cpu/kernels/CpuPool2dKernel.cpp | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/src/core/cpu/kernels/CpuPool2dKernel.cpp b/src/core/cpu/kernels/CpuPool2dKernel.cpp new file mode 100644 index 0000000000..e6f5890685 --- /dev/null +++ b/src/core/cpu/kernels/CpuPool2dKernel.cpp @@ -0,0 +1,514 @@ +/* + * 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/cpu/kernels/CpuPool2dKernel.h" + +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" +#include "arm_compute/core/utils/misc/ShapeCalculator.h" +#include "src/core/AccessWindowStatic.h" +#include "src/core/CPP/Validate.h" +#include "src/core/NEON/NEAsymm.h" +#include "src/core/NEON/NEFixedPoint.h" +#include "src/core/NEON/NEMath.h" +#include "src/core/common/Registrars.h" +#include "src/core/cpu/kernels/pooling/neon/list.h" +#include "src/core/helpers/AutoConfiguration.h" +#include "src/core/helpers/WindowHelpers.h" +#include "support/ToolchainSupport.h" + +#include "src/core/NEON/wrapper/wrapper.h" +#include <arm_neon.h> + +namespace arm_compute +{ +namespace cpu +{ +namespace kernels +{ +namespace +{ +using namespace misc::shape_calculator; + +struct PoolingSelectorData +{ + DataType dt; + DataLayout dl; + int pool_stride_x; + Size2D pool_size; +}; + +using PoolingSelectorPtr = std::add_pointer<bool(const PoolingSelectorData &data)>::type; +using PoolingKernelPtr = std::add_pointer<void(const ITensor *, ITensor *, ITensor *, PoolingLayerInfo &, const Window &, const Window &)>::type; +struct PoolingKernel +{ + const char *name; + const PoolingSelectorPtr is_selected; + PoolingKernelPtr ukernel; +}; + +static const PoolingKernel available_kernels[] = +{ + { + "poolingMxN_qasymm8_neon_nhwc", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NHWC) && (data.dt == DataType::QASYMM8)); }, + REGISTER_QASYMM8_NEON(arm_compute::cpu::poolingMxN_qasymm8_neon_nhwc) + }, + { + "poolingMxN_qasymm8_signed_neon_nhwc", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NHWC) && (data.dt == DataType::QASYMM8_SIGNED)); }, + REGISTER_QASYMM8_SIGNED_NEON(arm_compute::cpu::poolingMxN_qasymm8_signed_neon_nhwc) + }, +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) + { + "poolingMxN_fp16_neon_nhwc", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NHWC) && (data.dt == DataType::F16)); }, + REGISTER_FP16_NEON(arm_compute::cpu::poolingMxN_fp16_neon_nhwc) + }, +#endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) */ + { + "poolingMxN_fp32_neon_nhwc", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NHWC) && (data.dt == DataType::F32)); }, + REGISTER_FP32_NEON(arm_compute::cpu::poolingMxN_fp32_neon_nhwc) + }, +#if defined(ENABLE_NCHW_KERNELS) + { + "pooling2_qasymm8_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::QASYMM8) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 2) && (data.pool_stride_x < 3)); }, + REGISTER_QASYMM8_NEON(arm_compute::cpu::pooling2_quantized_neon_nchw<uint8_t>) + }, + { + "pooling3_qasymm8_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::QASYMM8) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 3) && (data.pool_stride_x < 3)); }, + REGISTER_QASYMM8_NEON(arm_compute::cpu::pooling3_quantized_neon_nchw<uint8_t>) + }, + { + "poolingMxN_qasymm8_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::QASYMM8)); }, + REGISTER_QASYMM8_NEON(arm_compute::cpu::poolingMxN_quantized_neon_nchw<uint8_t>) + }, + { + "pooling2_qasymm8_signed_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::QASYMM8_SIGNED) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 2) && (data.pool_stride_x < 3)); }, + REGISTER_QASYMM8_SIGNED_NEON(arm_compute::cpu::pooling2_quantized_neon_nchw<int8_t>) + }, + { + "pooling3_qasymm8_signed_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::QASYMM8_SIGNED) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 3) && (data.pool_stride_x < 3)); }, + REGISTER_QASYMM8_SIGNED_NEON(arm_compute::cpu::pooling3_quantized_neon_nchw<int8_t>) + }, + { + "poolingMxN_qasymm8_signed_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::QASYMM8_SIGNED)); }, + REGISTER_QASYMM8_SIGNED_NEON(arm_compute::cpu::poolingMxN_quantized_neon_nchw<int8_t>) + }, +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) + { + "pooling2_fp16_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F16) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 2)); }, + REGISTER_FP16_NEON(arm_compute::cpu::pooling2_fp16_neon_nchw) + }, + { + "pooling3_fp16_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F16) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 3)); }, + REGISTER_FP16_NEON(arm_compute::cpu::pooling3_fp16_neon_nchw) + }, + { + "poolingMxN_fp16_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F16)); }, + REGISTER_FP16_NEON(arm_compute::cpu::poolingMxN_fp16_neon_nchw) + }, +#endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) */ + { + "pooling2_fp32_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F32) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 2)); }, + REGISTER_FP32_NEON(arm_compute::cpu::pooling2_fp32_neon_nchw) + }, + { + "pooling3_fp32_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F32) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 3)); }, + REGISTER_FP32_NEON(arm_compute::cpu::pooling3_fp32_neon_nchw) + }, + { + "pooling7_fp32_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F32) && (data.pool_size.x() == data.pool_size.y()) && (data.pool_size.x() == 7)); }, + REGISTER_FP32_NEON(arm_compute::cpu::pooling7_fp32_neon_nchw) + }, + { + "poolingMxN_fp32_neon_nchw", + [](const PoolingSelectorData & data) { return ((data.dl == DataLayout::NCHW) && (data.dt == DataType::F32)); }, + REGISTER_FP32_NEON(arm_compute::cpu::poolingMxN_fp32_neon_nchw) + }, +#endif /* defined(ENABLE_NCHW_KERNELS) */ +}; + +/** Micro-kernel selector + * + * @param[in] data Selection data passed to help pick the appropriate micro-kernel + * + * @return A matching micro-kernel else nullptr + */ +const PoolingKernel *get_implementation(DataType dt, DataLayout dl, int pool_stride_x, Size2D pool_size) +{ + for(const auto &uk : available_kernels) + { + if(uk.is_selected({ dt, dl, pool_stride_x, pool_size })) + { + return &uk; + } + } + return nullptr; +} + +Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, const PoolingLayerInfo &pool_info, + const ITensorInfo *indices, Size2D pool_size) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON(pool_size.x() == 0); + ARM_COMPUTE_RETURN_ERROR_ON(pool_size.y() == 0); + + int pool_stride_x = 0; + int pool_stride_y = 0; + int output_width = 0; + int output_height = 0; + PoolingType pool_type = pool_info.pool_type; + const PadStrideInfo pad_stride_info = pool_info.pad_stride_info; + const auto 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); + + std::tie(output_width, output_height) = scaled_dimensions_signed(src->tensor_shape()[idx_width], src->tensor_shape()[idx_height], + pool_size.x(), pool_size.y(), pool_info.pad_stride_info); + ARM_COMPUTE_RETURN_ERROR_ON_MSG((output_width < 1 || output_height < 1), "Calculated output dimension size is invalid"); + + TensorInfo out_info(TensorInfo(compute_pool_shape(*src, pool_info), 1, dst->data_type())); + std::tie(pool_stride_x, pool_stride_y) = pad_stride_info.stride(); + + ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(src); + if(indices) + { + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::F32, DataType::F16); + ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(indices, 1, DataType::U32); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(pool_type != PoolingType::MAX, "Pooling indices only supported for MAX pooling method"); + } + 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(pool_type == PoolingType::L2 && is_data_type_quantized(src->data_type())); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(is_data_type_quantized(src->data_type()) && !pool_info.exclude_padding && (pool_info.pool_type == PoolingType::AVG) && pool_info.pad_stride_info.has_padding() + && (src->data_layout() == DataLayout::NHWC), + "exclude_padding equal false is not supported for AVG Pooling with padding on quantized types"); + + 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); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(dst, &out_info); + if(indices) + { + ARM_COMPUTE_RETURN_ERROR_ON_MSG((pool_size != Size2D(2, 2)), "Pooling indices only supported for pool size 2x2"); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(indices, &out_info); + } + } + + const auto *uk = get_implementation(src->data_type(), src->data_layout(), pool_stride_x, pool_size); + ARM_COMPUTE_RETURN_ERROR_ON(uk == nullptr || uk->ukernel == nullptr); + + return Status{}; +} + +std::pair<Status, Window> validate_and_configure_window(ITensorInfo *src, ITensorInfo *dst, ITensorInfo *indices, const PoolingLayerInfo &pool_info, + unsigned int &num_elems_processed_per_iteration, + BorderSize &border_size, + int pool_size_x, int pool_size_y) +{ + // dst auto inizialitation if not yet initialized + auto_init_if_empty(*dst, src->clone()->set_tensor_shape(compute_pool_shape(*src, pool_info))); + if(indices) + { + // Indices auto inizialitation if not yet initialized + auto_init_if_empty(*indices, (src->clone()->set_tensor_shape(compute_pool_shape(*src, + pool_info))) + .set_data_type(DataType::U32) /* we store the offset to the element */); + } + const auto data_layout = pool_info.data_layout == DataLayout::UNKNOWN ? src->data_layout() : pool_info.data_layout; + unsigned int num_elems_read_per_iteration = 0; + unsigned int num_elems_horizontal_window = 0; + int pool_stride_x = 0; + int pool_stride_y = 0; + 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 src_width = src->dimension(idx_width); + const int src_height = src->dimension(idx_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(); + const bool is_square = pool_size_x == pool_size_y; + const unsigned int pooled_w = dst->dimension(idx_width); + const unsigned int pooled_h = dst->dimension(idx_height); + + //If it's not squared and optimized will be executed the MxN + num_elems_read_per_iteration = 1; + num_elems_processed_per_iteration = 1; + num_elems_horizontal_window = 1; + + if(is_square) + { + switch(src->data_type()) + { + case DataType::QASYMM8: + case DataType::QASYMM8_SIGNED: + switch(pool_size_x) + { + case 2: + num_elems_read_per_iteration = 16; + num_elems_processed_per_iteration = (pool_stride_x == 2) ? 8 : 15; + num_elems_horizontal_window = (pool_stride_x == 2) ? 8 : 16; + break; + case 3: + num_elems_read_per_iteration = 16; + num_elems_processed_per_iteration = (pool_stride_x == 2) ? 7 : 14; + num_elems_horizontal_window = (pool_stride_x == 2) ? 8 : 16; + break; + default: + break; + } + break; +#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC + case DataType::F16: + switch(pool_size_x) + { + case 2: + case 3: + num_elems_read_per_iteration = 4; + num_elems_processed_per_iteration = 1; + num_elems_horizontal_window = 1; + break; + default: + break; + } + break; +#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ + case DataType::F32: + switch(pool_size_x) + { + case 2: + num_elems_read_per_iteration = 2; + break; + case 3: + num_elems_read_per_iteration = 4; // We use vload4 for pooling3 + break; + case 7: + num_elems_read_per_iteration = 8; // We use vload8 for pooling7 + break; + default: + break; + } + num_elems_processed_per_iteration = 1; + num_elems_horizontal_window = 1; + break; + default: + ARM_COMPUTE_ERROR("Element size not supported"); + break; + } + } + + bool window_changed = false; + Window win{}; + if(data_layout == DataLayout::NCHW) + { + // 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 = BorderSize(pool_pad_top, pool_pad_right, pool_pad_bottom, pool_pad_left); + border_size.right = std::max(upper_bound_w, pool_pad_right); + border_size.bottom = std::max(upper_bound_h, pool_pad_bottom); + TensorShape dst_shape{ src->tensor_shape() }; + dst_shape.set(0, pooled_w); + dst_shape.set(1, pooled_h); + TensorInfo dst_info(src->clone()->set_tensor_shape(dst_shape)); + win = calculate_max_window(dst_info, Steps(num_elems_processed_per_iteration)); + AccessWindowStatic src_access(src, -pool_pad_left, -pool_pad_top, ceil_to_multiple(src_width + border_size.right, pool_size_x), src_height + border_size.bottom); + AccessWindowHorizontal dst_access(dst, 0, num_elems_horizontal_window); + if(indices) + { + AccessWindowHorizontal indices_access(indices, 0, num_elems_horizontal_window); + window_changed = update_window_and_padding(win, src_access, dst_access, indices_access); + } + else + { + window_changed = update_window_and_padding(win, src_access, dst_access); + } + dst_access.set_valid_region(win, ValidRegion(Coordinates(), dst->tensor_shape())); + + border_size = src->padding(); + } + + Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; + return std::make_pair(err, win); +} +} // namespace + +BorderSize CpuPool2dKernel::border_size() const +{ + return _border_size; +} + +void CpuPool2dKernel::configure(ITensorInfo *src, ITensorInfo *dst, const PoolingLayerInfo &pool_info, ITensorInfo *indices) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); + const PadStrideInfo pad_stride_info = pool_info.pad_stride_info; + const bool is_global_pooling = pool_info.is_global_pooling; + + // Get data layout + const auto 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); + + // Update pool size in case of global pooling + const Size2D pool_size( + is_global_pooling ? src->dimension(idx_width) : pool_info.pool_size.width, + is_global_pooling ? src->dimension(idx_height) : pool_info.pool_size.height); + + // Perform validation step + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, pool_info, indices, pool_size)); + + // Set instance variables + _pool_info = pool_info; + _data_layout = src->data_layout(); + _pool_size = pool_size; + _pool_stride_x = pad_stride_info.stride().first; + + if(_data_layout == DataLayout::NHWC) + { + // Configure kernel window + Window win = calculate_max_window(*dst, Steps()); + ICpuKernel::configure(win); + } + else + { + // Configure kernel window + auto win_config = validate_and_configure_window(src, dst, indices, pool_info, _num_elems_processed_per_iteration, + _border_size, pool_size.x(), pool_size.y()); + ARM_COMPUTE_ERROR_THROW_ON(win_config.first); + ICpuKernel::configure(win_config.second); + } +} + +Status CpuPool2dKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, const PoolingLayerInfo &pool_info, const ITensorInfo *indices) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src); + + unsigned int num_elems_processed_per_iteration = 0; + BorderSize border_size(0); + + const bool is_global_pooling = pool_info.is_global_pooling; + + // Get data layout + const auto 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); + + unsigned int pool_size_x = is_global_pooling ? src->dimension(idx_width) : pool_info.pool_size.width; + unsigned int pool_size_y = is_global_pooling ? src->dimension(idx_height) : pool_info.pool_size.height; + + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, pool_info, indices, Size2D(pool_size_x, pool_size_y))); + ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(src->clone().get(), dst->clone().get(), + (indices) ? indices->clone().get() : nullptr, pool_info, num_elems_processed_per_iteration, border_size, + pool_size_x, pool_size_y) + .first); + + return Status{}; +} + +void CpuPool2dKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) +{ + ARM_COMPUTE_UNUSED(info); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICpuKernel::window(), window); + + const ITensor *src = tensors.get_const_tensor(TensorType::ACL_SRC_0); + ITensor *dst = tensors.get_tensor(TensorType::ACL_DST_0); + ITensor *indices = tensors.get_tensor(TensorType::ACL_DST_1); + + const unsigned int pool_stride_x = _pool_info.pad_stride_info.stride().first; + const unsigned int pool_stride_y = _pool_info.pad_stride_info.stride().second; + const unsigned int pool_size = _pool_info.pool_size.width; + + Window window_src(window); + if(_data_layout == DataLayout::NCHW) + { + // Set step for src in x and y direction for the src + unsigned int window_x_inc = 0; + switch(src->info()->data_type()) + { + case DataType::QASYMM8: + case DataType::QASYMM8_SIGNED: + { + window_x_inc = pool_stride_x; + if((pool_size == 2 || pool_size == 3) && pool_stride_x < 3) + { + window_x_inc = (pool_stride_x == 2) ? _num_elems_processed_per_iteration * 2 : _num_elems_processed_per_iteration; + } + break; + } + + case DataType::F16: + case DataType::F32: + { + window_x_inc = pool_stride_x; + break; + } + default: + { + ARM_COMPUTE_ERROR("Not supported"); + } + } + window_src.set(Window::DimX, Window::Dimension(window.x().start() * pool_stride_x, window.x().end() * pool_stride_x, window_x_inc)); + window_src.set(Window::DimY, Window::Dimension(window.y().start() * pool_stride_y, window.y().end() * pool_stride_y, pool_stride_y)); + } + else + { + window_src.set(Window::DimX, Window::Dimension(0, 1, 1)); + window_src.set(Window::DimY, Window::Dimension(0, src->info()->dimension(1), pool_stride_x)); + window_src.set(Window::DimZ, Window::Dimension(0, src->info()->dimension(2), pool_stride_y)); + } + + const auto *uk = get_implementation(src->info()->data_type(), _data_layout, _pool_stride_x, _pool_size); + ARM_COMPUTE_ERROR_ON(uk == nullptr || uk->ukernel == nullptr); + + uk->ukernel(src, dst, indices, _pool_info, window_src, window); +} + +const char *CpuPool2dKernel::name() const +{ + return "CpuPool2dKernel"; +} +} // namespace kernels +} // namespace cpu +} // namespace arm_compute |