| /* |
| * Copyright (c) 2017 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/NEON/kernels/NEPoolingLayerKernel.h" |
| |
| #include "arm_compute/core/AccessWindowStatic.h" |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/FixedPoint.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/NEON/NEFixedPoint.h" |
| #include "arm_compute/core/NEON/NEMath.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Utils.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| |
| #include <algorithm> |
| #include <arm_neon.h> |
| #include <cmath> |
| #include <limits> |
| #include <set> |
| #include <string> |
| #include <tuple> |
| |
| using namespace arm_compute; |
| |
| namespace |
| { |
| inline float calculate_avg_scale(const Coordinates &id, const int pool_size, const int upper_bound_w, const int upper_bound_h, |
| const int pad_x, const int pad_y, const int stride_x, const int stride_y) |
| { |
| const int start_x = id.x() * stride_x - pad_x; |
| const int start_y = id.y() * stride_y - pad_y; |
| const int end_x = std::min(start_x + pool_size, upper_bound_w); |
| const int end_y = std::min(start_y + pool_size, upper_bound_h); |
| return 1.f / ((end_y - start_y) * (end_x - start_x)); |
| } |
| |
| inline qint8_t calculate_avg_scale_q8(const Coordinates &id, int pool_size, int upper_bound_w, int upper_bound_h, |
| int pad_x, int pad_y, int stride_x, int stride_y, int fixed_point_position) |
| { |
| static const std::array<qint8_t, 10> scale_values_q8 = |
| { { 0x0, 0x0, 0x40, 0x2A, 0x20, 0x19, 0x15, 0x12, 0x10, 0xE } }; |
| const int start_x = id.x() * stride_x - pad_x; |
| const int start_y = id.y() * stride_y - pad_y; |
| const int end_x = std::min(start_x + pool_size, upper_bound_w); |
| const int end_y = std::min(start_y + pool_size, upper_bound_h); |
| const int val = ((end_y - start_y) * (end_x - start_x)); |
| return sshr_qs8(scale_values_q8[val], (7 - fixed_point_position)); |
| } |
| |
| inline qint16_t calculate_avg_scale_q16(const Coordinates &id, int pool_size, int upper_bound_w, int upper_bound_h, |
| int pad_x, int pad_y, int stride_x, int stride_y, int fixed_point_position) |
| { |
| static std::array<qint16_t, 10> scale_values_q16 = |
| { { 0x0, 0x0, 0x4000, 0x2AAB, 0x2000, 0x199A, 0x1555, 0x1249, 0x1000, 0xE38 } }; |
| const int start_x = id.x() * stride_x - pad_x; |
| const int start_y = id.y() * stride_y - pad_y; |
| const int end_x = std::min(start_x + pool_size, upper_bound_w); |
| const int end_y = std::min(start_y + pool_size, upper_bound_h); |
| const int val = ((end_y - start_y) * (end_x - start_x)); |
| return sshr_qs16(scale_values_q16[val], (15 - fixed_point_position)); |
| } |
| } // namespace |
| |
| NEPoolingLayerKernel::NEPoolingLayerKernel() |
| : _func(nullptr), _input(nullptr), _output(nullptr), _pool_info(), _num_elems_processed_per_iteration(0), _border_size(0) |
| { |
| } |
| |
| BorderSize NEPoolingLayerKernel::border_size() const |
| { |
| return _border_size; |
| } |
| |
| void NEPoolingLayerKernel::configure(const ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info) |
| { |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| unsigned int pooled_w = 0; |
| unsigned int pooled_h = 0; |
| PoolingType pool_type = pool_info.pool_type(); |
| int pool_size = pool_info.pool_size(); |
| const PadStrideInfo pad_stride_info = pool_info.pad_stride_info(); |
| std::tie(pool_pad_x, pool_pad_y) = pad_stride_info.pad(); |
| std::tie(pool_stride_x, pool_stride_y) = pad_stride_info.stride(); |
| |
| static const std::set<int> supported_pool_sizes = { 2, 3, 7 }; |
| ARM_COMPUTE_UNUSED(supported_pool_sizes); |
| |
| ARM_COMPUTE_ERROR_ON_NULLPTR(output); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QS8, DataType::QS16, DataType::F16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON(pool_type == PoolingType::L2 && is_data_type_fixed_point(input->info()->data_type())); |
| ARM_COMPUTE_ERROR_ON(supported_pool_sizes.find(pool_size) == supported_pool_sizes.end()); |
| ARM_COMPUTE_ERROR_ON(7 == pool_size && input->info()->data_type() != DataType::F32); |
| ARM_COMPUTE_ERROR_ON(pool_pad_x >= pool_size || pool_pad_y >= pool_size); |
| ARM_COMPUTE_ERROR_ON(is_data_type_fixed_point(input->info()->data_type()) && pool_stride_x > 2); |
| |
| // Check output dimensions |
| std::tie(pooled_w, pooled_h) = scaled_dimensions(input->info()->dimension(0), input->info()->dimension(1), |
| pool_size, pool_size, pool_info.pad_stride_info()); |
| |
| // Output auto initialization if not yet initialized |
| { |
| TensorShape output_shape{ input->info()->tensor_shape() }; |
| output_shape.set(0, pooled_w); |
| output_shape.set(1, pooled_h); |
| |
| auto_init_if_empty(*output->info(), output_shape, 1, input->info()->data_type(), input->info()->fixed_point_position()); |
| } |
| |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input, output); |
| ARM_COMPUTE_ERROR_ON((output->info()->dimension(0) != pooled_w) || (output->info()->dimension(1) != pooled_h)); |
| |
| unsigned int num_elems_read_per_iteration = 0; |
| unsigned int num_elems_processed_per_iteration = 0; |
| unsigned int num_elems_horizontal_window = 0; |
| |
| // Select element size |
| switch(input->info()->data_type()) |
| { |
| case DataType::QS8: |
| num_elems_read_per_iteration = 16; |
| switch(pool_size) |
| { |
| case 2: |
| num_elems_processed_per_iteration = (pool_stride_x == 2) ? 8 : 15; |
| break; |
| case 3: |
| num_elems_processed_per_iteration = (pool_stride_x == 2) ? 7 : 14; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Pooling size not supported"); |
| break; |
| } |
| num_elems_horizontal_window = (pool_stride_x == 2) ? 8 : 16; |
| break; |
| case DataType::QS16: |
| num_elems_read_per_iteration = 8; |
| switch(pool_size) |
| { |
| case 2: |
| num_elems_processed_per_iteration = (pool_stride_x == 2) ? 4 : 7; |
| break; |
| case 3: |
| num_elems_processed_per_iteration = (pool_stride_x == 2) ? 3 : 6; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Pooling size not supported"); |
| } |
| num_elems_horizontal_window = (pool_stride_x == 2) ? 4 : 8; |
| break; |
| #ifdef ARM_COMPUTE_ENABLE_FP16 |
| case DataType::F16: |
| switch(pool_size) |
| { |
| case 2: |
| num_elems_read_per_iteration = 16; |
| num_elems_processed_per_iteration = 8; |
| num_elems_horizontal_window = 8; |
| break; |
| case 3: |
| num_elems_read_per_iteration = 4; |
| num_elems_processed_per_iteration = 1; |
| num_elems_horizontal_window = 1; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Pooling size not supported"); |
| break; |
| } |
| break; |
| #endif /* ARM_COMPUTE_ENABLE_FP16 */ |
| case DataType::F32: |
| switch(pool_size) |
| { |
| 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: |
| ARM_COMPUTE_ERROR("Pooling size not supported"); |
| break; |
| } |
| num_elems_processed_per_iteration = 1; |
| num_elems_horizontal_window = 1; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Element size not supported"); |
| break; |
| } |
| |
| _num_elems_processed_per_iteration = num_elems_processed_per_iteration; |
| const int input_width = input->info()->dimension(0); |
| const int input_height = input->info()->dimension(1); |
| const int upper_bound_w = ((pooled_w - 1) * pool_stride_x - pool_pad_x + num_elems_read_per_iteration) - input_width; |
| const int upper_bound_h = ((pooled_h - 1) * pool_stride_y - pool_pad_y + pool_size) - input_height; |
| |
| // Set instance variables |
| _input = input; |
| _output = output; |
| _pool_info = pool_info; |
| _border_size = BorderSize(pool_pad_y, pool_pad_x); |
| _border_size.right = std::max(upper_bound_w, pool_pad_x); |
| _border_size.bottom = std::max(upper_bound_h, pool_pad_y); |
| |
| // Select appropriate function |
| switch(pool_size) |
| { |
| case 2: |
| if(input->info()->data_type() == DataType::QS8) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling2_q8<PoolingType::AVG>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling2_q8<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| else if(input->info()->data_type() == DataType::QS16) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling2_q16<PoolingType::AVG>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling2_q16<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| else if(input->info()->data_type() == DataType::F16) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling2_f16<PoolingType::AVG>; |
| break; |
| case PoolingType::L2: |
| _func = &NEPoolingLayerKernel::pooling2_f16<PoolingType::L2>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling2_f16<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| else if(input->info()->data_type() == DataType::F32) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling2_f32<PoolingType::AVG>; |
| break; |
| case PoolingType::L2: |
| _func = &NEPoolingLayerKernel::pooling2_f32<PoolingType::L2>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling2_f32<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| break; |
| case 3: |
| if(input->info()->data_type() == DataType::QS8) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling3_q8<PoolingType::AVG>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling3_q8<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| else if(input->info()->data_type() == DataType::QS16) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling3_q16<PoolingType::AVG>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling3_q16<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| else if(input->info()->data_type() == DataType::F16) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling3_f16<PoolingType::AVG>; |
| break; |
| case PoolingType::L2: |
| _func = &NEPoolingLayerKernel::pooling3_f16<PoolingType::L2>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling3_f16<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| else if(input->info()->data_type() == DataType::F32) |
| { |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling3_f32<PoolingType::AVG>; |
| break; |
| case PoolingType::L2: |
| _func = &NEPoolingLayerKernel::pooling3_f32<PoolingType::L2>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling3_f32<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| } |
| break; |
| case 7: |
| switch(pool_type) |
| { |
| case PoolingType::AVG: |
| _func = &NEPoolingLayerKernel::pooling7_f32<PoolingType::AVG>; |
| break; |
| case PoolingType::L2: |
| _func = &NEPoolingLayerKernel::pooling7_f32<PoolingType::L2>; |
| break; |
| case PoolingType::MAX: |
| _func = &NEPoolingLayerKernel::pooling7_f32<PoolingType::MAX>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling type!"); |
| } |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Unsupported pooling size"); |
| break; |
| } |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); |
| AccessWindowStatic input_access(input->info(), -pool_pad_x, -pool_pad_y, input_width + _border_size.right, input_height + _border_size.bottom); |
| AccessWindowHorizontal output_access(output->info(), 0, num_elems_horizontal_window); |
| update_window_and_padding(win, input_access, output_access); |
| output_access.set_valid_region(win, ValidRegion(Coordinates(), output->info()->tensor_shape())); |
| INEKernel::configure(win); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling2_q8(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| const int fixed_point_position = _input->info()->fixed_point_position(); |
| constexpr int pool_size = 2; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const uint8_t *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const uint8_t *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const auto top_data = vld1q_qs8(reinterpret_cast<const qint8_t *>(input_top_ptr + input.offset())); |
| const auto bottom_data = vld1q_qs8(reinterpret_cast<const qint8_t *>(input_bottom_ptr + input.offset())); |
| qint8x8_t lower_res = {}; |
| qint8x8_t upper_res = {}; |
| if(pooling_type == PoolingType::AVG) |
| { |
| // Calculate scale |
| const qint8_t scale = calculate_avg_scale_q8(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y, fixed_point_position); |
| const qint8x8_t scale_vec = vdup_n_qs8(scale); |
| |
| // Perform pooling |
| const qint8x16_t sum_data = vqaddq_qs8(top_data, bottom_data); |
| lower_res = vqmul_qs8(vpadd_s8(vget_low_s8(sum_data), vget_high_s8(sum_data)), scale_vec, fixed_point_position); |
| if(pool_stride_x == 1) |
| { |
| const qint8x16_t sum_data_shifted = vextq_s8(sum_data, sum_data, 1); |
| upper_res = vqmul_qs8(vpadd_s8(vget_low_s8(sum_data_shifted), vget_high_s8(sum_data_shifted)), scale_vec, fixed_point_position); |
| } |
| } |
| else |
| { |
| const qint8x16_t max_data = vmaxq_s8(top_data, bottom_data); |
| lower_res = vpmax_s8(vget_low_s8(max_data), vget_high_s8(max_data)); |
| if(pool_stride_x == 1) |
| { |
| const qint8x16_t max_data_shifted = vextq_s8(max_data, max_data, 1); |
| upper_res = vpmax_s8(vget_low_s8(max_data_shifted), vget_high_s8(max_data_shifted)); |
| } |
| } |
| if(pool_stride_x == 1) |
| { |
| const qint8x8x2_t res = { { lower_res, upper_res } }; |
| vst2_s8(reinterpret_cast<qint8_t *>(output.ptr()), res); |
| } |
| else |
| { |
| vst1_qs8(reinterpret_cast<qint8_t *>(output.ptr()), lower_res); |
| } |
| }, |
| input, output); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling2_q16(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| const int fixed_point_position = _input->info()->fixed_point_position(); |
| constexpr int pool_size = 2; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const unsigned char *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const auto top_data = vld1q_qs16(reinterpret_cast<const qint16_t *>(input_top_ptr + input.offset())); |
| const auto bottom_data = vld1q_qs16(reinterpret_cast<const qint16_t *>(input_bottom_ptr + input.offset())); |
| qint16x4_t lower_res = {}; |
| qint16x4_t upper_res = {}; |
| if(pooling_type == PoolingType::AVG) |
| { |
| // Calculate scale |
| const qint16_t scale = calculate_avg_scale_q16(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y, fixed_point_position); |
| const qint16x4_t scale_vec = vdup_n_qs16(scale); |
| |
| // Perform pooling |
| const qint16x8_t sum_data = vqaddq_qs16(top_data, bottom_data); |
| lower_res = vqmul_qs16(vpadd_s16(vget_low_s16(sum_data), vget_high_s16(sum_data)), scale_vec, fixed_point_position); |
| if(pool_stride_x == 1) |
| { |
| const qint16x8_t sum_data_shifted = vextq_s16(sum_data, sum_data, 1); |
| upper_res = vqmul_qs16(vpadd_s16(vget_low_s16(sum_data_shifted), vget_high_s16(sum_data_shifted)), scale_vec, fixed_point_position); |
| } |
| } |
| else |
| { |
| const qint16x8_t max_data = vmaxq_s16(top_data, bottom_data); |
| lower_res = vpmax_s16(vget_low_s16(max_data), vget_high_s16(max_data)); |
| if(pool_stride_x == 1) |
| { |
| const qint16x8_t max_data_shifted = vextq_s16(max_data, max_data, 1); |
| upper_res = vpmax_s16(vget_low_s16(max_data_shifted), vget_high_s16(max_data_shifted)); |
| } |
| } |
| if(pool_stride_x == 1) |
| { |
| const qint16x4x2_t res = { { lower_res, upper_res } }; |
| vst2_s16(reinterpret_cast<qint16_t *>(output.ptr()), res); |
| } |
| else |
| { |
| vst1_qs16(reinterpret_cast<qint16_t *>(output.ptr()), lower_res); |
| } |
| }, |
| input, output); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling3_f16(const Window &window_input, const Window &window) |
| { |
| #ifdef ARM_COMPUTE_ENABLE_FP16 |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| constexpr const int pool_size = 3; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const unsigned char *const input_middle_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| const unsigned char *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 2)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float16x4_t top_data = vld1_f16(reinterpret_cast<const float16_t *>(input_top_ptr + input.offset())); |
| float16x4_t middle_data = vld1_f16(reinterpret_cast<const float16_t *>(input_middle_ptr + input.offset())); |
| float16x4_t bottom_data = vld1_f16(reinterpret_cast<const float16_t *>(input_bottom_ptr + input.offset())); |
| float16x4_t res = {}; |
| |
| // Get power of 2 in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| top_data = vmul_f16(top_data, top_data); |
| middle_data = vmul_f16(middle_data, middle_data); |
| bottom_data = vmul_f16(bottom_data, bottom_data); |
| } |
| |
| if(pooling_type != PoolingType::MAX) |
| { |
| // Calculate scale |
| const float scale = calculate_avg_scale(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y); |
| const float16x4_t scale_v = vdup_n_f16(scale); |
| // Perform pooling |
| const float16x4_t sum_data = vadd_f16(vadd_f16(top_data, bottom_data), middle_data); |
| res = vpadd_f16(vset_lane_f16(0.f, sum_data, 3), sum_data); |
| res = vmul_f16(vpadd_f16(res, res), scale_v); |
| } |
| else |
| { |
| const float16x4_t max_data = vmax_f16(vmax_f16(top_data, bottom_data), middle_data); |
| res = vpmax_f16(vset_lane_f16(-std::numeric_limits<float>::max(), max_data, 3), max_data); |
| res = vpmax_f16(res, res); |
| } |
| |
| // Calculate square-root in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| res = vinv_f16(vinvsqrt_f16(res)); |
| } |
| |
| *(reinterpret_cast<float16_t *>(output.ptr())) = vget_lane_f16(res, 0); |
| }, |
| input, output); |
| #else /* ARM_COMPUTE_ENABLE_FP16 */ |
| ARM_COMPUTE_UNUSED(window_input); |
| ARM_COMPUTE_UNUSED(window); |
| ARM_COMPUTE_ERROR("FP16 Not supported! Recompile the library with arch=arm64-v8.2-a"); |
| #endif /* ARM_COMPUTE_ENABLE_FP16 */ |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling2_f16(const Window &window_input, const Window &window) |
| { |
| #ifdef ARM_COMPUTE_ENABLE_FP16 |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| constexpr int pool_size = 2; |
| int pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const unsigned char *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| auto top_data = vld2q_f16(reinterpret_cast<const float16_t *>(input_top_ptr + input.offset())); |
| auto bottom_data = vld2q_f16(reinterpret_cast<const float16_t *>(input_bottom_ptr + input.offset())); |
| float16x8_t res = {}; |
| |
| // Get power of 2 in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| top_data.val[0] = vmulq_f16(top_data.val[0], top_data.val[0]); |
| top_data.val[1] = vmulq_f16(top_data.val[1], top_data.val[1]); |
| bottom_data.val[0] = vmulq_f16(bottom_data.val[0], bottom_data.val[0]); |
| bottom_data.val[1] = vmulq_f16(bottom_data.val[1], bottom_data.val[1]); |
| } |
| |
| if(pooling_type != PoolingType::MAX) |
| { |
| const float scale = calculate_avg_scale(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y); |
| const float16x8_t scale_v = vdupq_n_f16(scale); |
| res = vmulq_f16(scale_v, vaddq_f16(bottom_data.val[1], vaddq_f16(bottom_data.val[0], vaddq_f16(top_data.val[0], top_data.val[1])))); |
| } |
| else |
| { |
| res = vmaxq_f16(bottom_data.val[1], vmaxq_f16(bottom_data.val[0], vmaxq_f16(top_data.val[0], top_data.val[1]))); |
| } |
| |
| // Calculate square-root in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| res = vinvq_f16(vinvsqrtq_f16(res)); |
| } |
| |
| // Store result |
| vst1q_f16(reinterpret_cast<float16_t *>(output.ptr()), res); |
| }, |
| input, output); |
| #else /* ARM_COMPUTE_ENABLE_FP16 */ |
| ARM_COMPUTE_UNUSED(window_input); |
| ARM_COMPUTE_UNUSED(window); |
| ARM_COMPUTE_ERROR("FP16 Not supported! Recompile the library with arch=arm64-v8.2-a"); |
| #endif /* ARM_COMPUTE_ENABLE_FP16 */ |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling2_f32(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| constexpr int pool_size = 2; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const uint8_t *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const uint8_t *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float32x2_t top_data = vld1_f32(reinterpret_cast<const float *>(input_top_ptr + input.offset())); |
| float32x2_t bottom_data = vld1_f32(reinterpret_cast<const float *>(input_bottom_ptr + input.offset())); |
| float32x2_t res = {}; |
| float final_res = 0; |
| |
| // Get power of 2 in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| top_data = vmul_f32(top_data, top_data); |
| bottom_data = vmul_f32(bottom_data, bottom_data); |
| } |
| |
| if(pooling_type != PoolingType::MAX) |
| { |
| // Calculate scale |
| float scale = calculate_avg_scale(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y); |
| const float32x2_t scale_v = vdup_n_f32(scale); |
| |
| // Perform pooling |
| const float32x2_t sum_data = vadd_f32(top_data, bottom_data); |
| res = vmul_f32(vpadd_f32(sum_data, sum_data), scale_v); |
| } |
| else |
| { |
| const float32x2_t max_data = vmax_f32(top_data, bottom_data); |
| res = vpmax_f32(max_data, max_data); |
| } |
| final_res = vget_lane_f32(res, 0); |
| |
| // Calculate square-root in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| final_res = sqrt(final_res); |
| } |
| |
| // Store result |
| *(reinterpret_cast<float *>(output.ptr())) = final_res; |
| }, |
| input, output); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling3_q8(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| const int fixed_point_position = _input->info()->fixed_point_position(); |
| constexpr int pool_size = 3; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const uint8_t *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const uint8_t *const input_middle_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| const uint8_t *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 2)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const auto top_data = vld1q_qs8(reinterpret_cast<const qint8_t *>(input_top_ptr + input.offset())); |
| const auto middle_data = vld1q_qs8(reinterpret_cast<const qint8_t *>(input_middle_ptr + input.offset())); |
| const auto bottom_data = vld1q_qs8(reinterpret_cast<const qint8_t *>(input_bottom_ptr + input.offset())); |
| qint8x8_t res = {}; |
| if(pooling_type == PoolingType::AVG) |
| { |
| // Calculate scale |
| const qint8_t scale = calculate_avg_scale_q8(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y, fixed_point_position); |
| |
| // Perform pooling for stride 2 |
| const qint8x16_t sum_data = vqaddq_qs8(vqaddq_qs8(top_data, bottom_data), middle_data); |
| const qint8x16_t sum_data2 = vextq_s8(sum_data, sum_data, 1); |
| const qint8x16_t sum_data3 = vextq_s8(sum_data, sum_data, 2); |
| const qint8x16_t final_sum = vqaddq_qs8(vqaddq_qs8(sum_data, sum_data2), sum_data3); |
| if(pool_stride_x == 2) |
| { |
| const qint8x8x2_t table = { { vget_low_s8(final_sum), vget_high_s8(final_sum) } }; |
| static const qint8x8_t lookup_val = { 0, 2, 4, 6, 8, 10, 12, 14 }; |
| const qint8x8_t scale_vec = vdup_n_qs8(scale); |
| res = vtbl2_s8(table, lookup_val); |
| res = vqmul_qs8(res, scale_vec, fixed_point_position); |
| vst1_qs8(reinterpret_cast<qint8_t *>(output.ptr()), res); |
| } |
| else |
| { |
| const qint8x16_t scale_vec = vdupq_n_qs8(scale); |
| vst1q_qs8(reinterpret_cast<qint8_t *>(output.ptr()), vqmulq_qs8(final_sum, scale_vec, fixed_point_position)); |
| } |
| } |
| else |
| { |
| const qint8x16_t max_data = vmaxq_s8(vmaxq_s8(top_data, bottom_data), middle_data); |
| const qint8x16_t max_data2 = vextq_s8(max_data, max_data, 1); |
| const qint8x16_t max_data3 = vextq_s8(max_data, max_data, 2); |
| const qint8x16_t final_max = vmaxq_s8(vmaxq_s8(max_data, max_data2), max_data3); |
| |
| if(pool_stride_x == 2) |
| { |
| const qint8x8x2_t table = { { vget_low_s8(final_max), vget_high_s8(final_max) } }; |
| static const qint8x8_t lookup_val = { 0, 2, 4, 6, 8, 10, 12, 14 }; |
| res = vtbl2_s8(table, lookup_val); |
| vst1_qs8(reinterpret_cast<qint8_t *>(output.ptr()), res); |
| } |
| else |
| { |
| vst1q_qs8(reinterpret_cast<qint8_t *>(output.ptr()), final_max); |
| } |
| } |
| }, |
| input, output); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling3_q16(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| const int fixed_point_position = _input->info()->fixed_point_position(); |
| constexpr int pool_size = 3; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const unsigned char *const input_middle_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| const unsigned char *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 2)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const auto top_data = vld1q_qs16(reinterpret_cast<const qint16_t *>(input_top_ptr + input.offset())); |
| const auto middle_data = vld1q_qs16(reinterpret_cast<const qint16_t *>(input_middle_ptr + input.offset())); |
| const auto bottom_data = vld1q_qs16(reinterpret_cast<const qint16_t *>(input_bottom_ptr + input.offset())); |
| |
| if(pooling_type == PoolingType::AVG) |
| { |
| // Calculate scale |
| const qint16_t scale = calculate_avg_scale_q16(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y, fixed_point_position); |
| |
| // Perform pooling for stride 2 |
| const qint16x8_t sum_data = vqaddq_qs16(vqaddq_qs16(top_data, bottom_data), middle_data); |
| const qint16x8_t sum_data2 = vextq_s16(sum_data, sum_data, 1); |
| const qint16x8_t sum_data3 = vextq_s16(sum_data, sum_data, 2); |
| const qint16x8_t final_sum = vqaddq_qs16(vqaddq_qs16(sum_data, sum_data2), sum_data3); |
| if(pool_stride_x == 2) |
| { |
| const qint16x4_t tmp = { vgetq_lane_s16(final_sum, 0), vgetq_lane_s16(final_sum, 2), vgetq_lane_s16(final_sum, 4), vgetq_lane_s16(final_sum, 6) }; |
| const qint16x4_t scale_vec = vdup_n_qs16(scale); |
| vst1_qs16(reinterpret_cast<qint16_t *>(output.ptr()), vqmul_qs16(tmp, scale_vec, fixed_point_position)); |
| } |
| else |
| { |
| const qint16x8_t scale_vec = vdupq_n_qs16(scale); |
| vst1q_qs16(reinterpret_cast<qint16_t *>(output.ptr()), vqmulq_qs16(final_sum, scale_vec, fixed_point_position)); |
| } |
| } |
| else |
| { |
| const qint16x8_t max_data = vmaxq_s16(vmaxq_s16(top_data, bottom_data), middle_data); |
| const qint16x8_t max_data2 = vextq_s16(max_data, max_data, 1); |
| const qint16x8_t max_data3 = vextq_s16(max_data, max_data, 2); |
| const qint16x8_t final_max = vmaxq_s16(vmaxq_s16(max_data, max_data2), max_data3); |
| |
| if(pool_stride_x == 2) |
| { |
| const qint16x4_t tmp = { vgetq_lane_s16(final_max, 0), vgetq_lane_s16(final_max, 2), vgetq_lane_s16(final_max, 4), vgetq_lane_s16(final_max, 6) }; |
| vst1_qs16(reinterpret_cast<qint16_t *>(output.ptr()), tmp); |
| } |
| else |
| { |
| vst1q_qs16(reinterpret_cast<qint16_t *>(output.ptr()), final_max); |
| } |
| } |
| }, |
| input, output); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling3_f32(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| constexpr const int pool_size = 3; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| const uint8_t *const input_top_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y))); |
| const uint8_t *const input_middle_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 1)); |
| const uint8_t *const input_bottom_ptr = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + 2)); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float32x4_t top_data = vld1q_f32(reinterpret_cast<const float *>(input_top_ptr + input.offset())); |
| float32x4_t middle_data = vld1q_f32(reinterpret_cast<const float *>(input_middle_ptr + input.offset())); |
| float32x4_t bottom_data = vld1q_f32(reinterpret_cast<const float *>(input_bottom_ptr + input.offset())); |
| float32x2_t res = {}; |
| float final_res = 0; |
| |
| // Get power of 2 in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| top_data = vmulq_f32(top_data, top_data); |
| middle_data = vmulq_f32(middle_data, middle_data); |
| bottom_data = vmulq_f32(bottom_data, bottom_data); |
| } |
| |
| if(pooling_type != PoolingType::MAX) |
| { |
| // Calculate scale |
| float scale = calculate_avg_scale(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y); |
| const float32x2_t scale_v = vdup_n_f32(scale); |
| |
| // Perform pooling |
| const float32x4_t sum_data = vaddq_f32(vaddq_f32(top_data, bottom_data), middle_data); |
| res = vpadd_f32(vget_high_f32(vsetq_lane_f32(0.f, sum_data, 3)), vget_low_f32(sum_data)); |
| res = vmul_f32(vpadd_f32(res, res), scale_v); |
| } |
| else |
| { |
| const float32x4_t max_data = vmaxq_f32(vmaxq_f32(top_data, bottom_data), middle_data); |
| res = vpmax_f32(vget_high_f32(vsetq_lane_f32(-std::numeric_limits<float>::max(), max_data, 3)), vget_low_f32(max_data)); |
| res = vpmax_f32(res, res); |
| } |
| final_res = vget_lane_f32(res, 0); |
| |
| // Calculate square-root in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| final_res = sqrt(final_res); |
| } |
| |
| // Store result |
| *(reinterpret_cast<float *>(output.ptr())) = final_res; |
| }, |
| input, output); |
| } |
| |
| template <PoolingType pooling_type> |
| void NEPoolingLayerKernel::pooling7_f32(const Window &window_input, const Window &window) |
| { |
| Iterator input(_input, window_input); |
| Iterator output(_output, window); |
| |
| constexpr const int pool_size = 7; |
| int pool_pad_x = 0; |
| int pool_pad_y = 0; |
| int pool_stride_x = 0; |
| int pool_stride_y = 0; |
| std::tie(pool_pad_x, pool_pad_y) = _pool_info.pad_stride_info().pad(); |
| std::tie(pool_stride_x, pool_stride_y) = _pool_info.pad_stride_info().stride(); |
| const int upper_bound_w = _input->info()->dimension(0) + pool_pad_x; |
| const int upper_bound_h = _input->info()->dimension(1) + pool_pad_y; |
| |
| std::array<const uint8_t *, pool_size> input_ptrs{ {} }; |
| for(int i = 0; i < pool_size; ++i) |
| { |
| input_ptrs[i] = _input->ptr_to_element(Coordinates(-static_cast<int>(pool_pad_x), -static_cast<int>(pool_pad_y) + i)); |
| } |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float32x2_t res = {}; |
| float final_res = 0.f; |
| if(pooling_type != PoolingType::MAX) |
| { |
| // Calculate scale |
| float scale = calculate_avg_scale(id, pool_size, upper_bound_w, upper_bound_h, pool_pad_x, pool_pad_y, pool_stride_x, pool_stride_y); |
| const float32x2_t scale_v = vdup_n_f32(scale); |
| |
| // Perform pooling |
| float32x4x2_t data = vld2q_f32(reinterpret_cast<const float *>(input_ptrs[0] + input.offset())); |
| // Get power of 2 in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| data.val[0] = vmulq_f32(data.val[0], data.val[0]); |
| data.val[1] = vmulq_f32(data.val[1], data.val[1]); |
| } |
| float32x4_t sum_data = vaddq_f32(data.val[0], vsetq_lane_f32(0.f, data.val[1], 3)); |
| for(int i = 1; i < pool_size; ++i) |
| { |
| data = vld2q_f32(reinterpret_cast<const float *>(input_ptrs[i] + input.offset())); |
| // Get power of 2 in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| data.val[0] = vmulq_f32(data.val[0], data.val[0]); |
| data.val[1] = vmulq_f32(data.val[1], data.val[1]); |
| } |
| sum_data = vaddq_f32(sum_data, data.val[0]); |
| sum_data = vaddq_f32(sum_data, vsetq_lane_f32(0.f, data.val[1], 3)); |
| } |
| res = vpadd_f32(vget_high_f32(sum_data), vget_low_f32(sum_data)); |
| res = vmul_f32(vpadd_f32(res, res), scale_v); |
| } |
| else |
| { |
| float32x4x2_t max_data = vld2q_f32(reinterpret_cast<const float *>(input_ptrs[0] + input.offset())); |
| for(int i = 1; i < pool_size; ++i) |
| { |
| const float32x4x2_t data = vld2q_f32(reinterpret_cast<const float *>(input_ptrs[i] + input.offset())); |
| max_data = vmax2q_f32(max_data, data); |
| } |
| res = vpmax_f32(vget_high_f32(vsetq_lane_f32(-std::numeric_limits<float>::max(), max_data.val[1], 3)), vget_low_f32(max_data.val[1])); |
| res = vpmax_f32(res, vpmax_f32(vget_high_f32(max_data.val[0]), vget_low_f32(max_data.val[0]))); |
| res = vpmax_f32(res, res); |
| } |
| final_res = vget_lane_f32(res, 0); |
| |
| // Calculate square-root in case of l2 pooling |
| if(pooling_type == PoolingType::L2) |
| { |
| final_res = sqrt(final_res); |
| } |
| |
| // Store result |
| *(reinterpret_cast<float *>(output.ptr())) = final_res; |
| }, |
| input, output); |
| } |
| |
| void NEPoolingLayerKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON(_func == nullptr); |
| |
| 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; |
| |
| // Set step for input in x and y direction for the input |
| Window window_input(window); |
| unsigned int window_x_inc = 0; |
| switch(_input->info()->data_type()) |
| { |
| case DataType::QS8: |
| case DataType::QS16: |
| case DataType::F16: |
| { |
| window_x_inc = (pool_stride_x == 2) ? _num_elems_processed_per_iteration * 2 : _num_elems_processed_per_iteration; |
| break; |
| } |
| case DataType::F32: |
| { |
| window_x_inc = pool_stride_x; |
| break; |
| } |
| default: |
| { |
| ARM_COMPUTE_ERROR("Not supported"); |
| } |
| } |
| window_input.set(Window::DimX, Window::Dimension(window.x().start() * pool_stride_x, window.x().end() * pool_stride_x, window_x_inc)); |
| window_input.set(Window::DimY, Window::Dimension(window.y().start() * pool_stride_y, window.y().end() * pool_stride_y, pool_stride_y)); |
| |
| // Run function |
| (this->*_func)(window_input, window); |
| } |
