diff options
Diffstat (limited to 'src/cpu/kernels/depthwiseconv2d/generic/neon/impl.h')
| -rw-r--r-- | src/cpu/kernels/depthwiseconv2d/generic/neon/impl.h | 280 |
1 files changed, 279 insertions, 1 deletions
diff --git a/src/cpu/kernels/depthwiseconv2d/generic/neon/impl.h b/src/cpu/kernels/depthwiseconv2d/generic/neon/impl.h index 1f01ce43d9..8410cdbf16 100644 --- a/src/cpu/kernels/depthwiseconv2d/generic/neon/impl.h +++ b/src/cpu/kernels/depthwiseconv2d/generic/neon/impl.h @@ -24,15 +24,293 @@ #ifndef SRC_CORE_KERNELS_DEPTWISECONV2DNATIVE_IMPL_H #define SRC_CORE_KERNELS_DEPTWISECONV2DNATIVE_IMPL_H #include "arm_compute/core/Helpers.h" +#include "src/core/NEON/wrapper/wrapper.h" + namespace arm_compute { struct ConvolutionInfo; namespace cpu { +constexpr auto data_layout = DataLayout::NHWC; +const size_t width_idx = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); +const size_t height_idx = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); +const size_t channel_idx = get_data_layout_dimension_index(data_layout, DataLayoutDimension::CHANNEL); + +constexpr auto dim_manual_loop = Window::Dimension(0, 0, 0); +constexpr auto dim_single_unit_step = Window::Dimension(0, 1, 1); +constexpr size_t vector_size = 8; + +struct DepthwiseConvolutionRunInfo +{ + const size_t num_read_elements_per_iteration; + const uint32_t x_start; + const uint32_t x_end; + const uint32_t x_step; + const uint32_t x_leftover_start; + const size_t input_stride_y; + const size_t input_stride_z; + const size_t input_max_offset; + const size_t weights_width; + const size_t weights_height; + const size_t weights_stride_y; + const size_t weights_stride_z; + const size_t conv_stride_x; + const size_t conv_stride_y; + const size_t conv_pad_left; + const size_t conv_pad_top; + const size_t input_height; + const size_t input_width; + const size_t input_depth; + + DepthwiseConvolutionRunInfo(const ITensorInfo &input, const ITensorInfo &weights, const PadStrideInfo &conv_info, const Window &w, uint32_t depth_multiplier = 1) // NOLINT + : num_read_elements_per_iteration((depth_multiplier == 1 ? (vector_size / element_size_from_data_type(input.data_type())) : 1)), + x_start(w.x().start()), + x_end(w.x().end()), + x_step(static_cast<uint32_t>(num_read_elements_per_iteration * depth_multiplier)), + x_leftover_start(std::max(static_cast<int32_t>(w.x().end() + 1) - static_cast<int32_t>(x_step), int32_t(0))), + input_stride_y(input.strides_in_bytes().y()), + input_stride_z(input.strides_in_bytes().z()), + input_max_offset(input.strides_in_bytes().z() * input.dimension(height_idx) - (input.padding().bottom + input.padding().top) * input.strides_in_bytes().y()), + weights_width(weights.dimension(width_idx)), + weights_height(weights.dimension(height_idx)), + weights_stride_y(weights.strides_in_bytes().y()), + weights_stride_z(weights.strides_in_bytes().z()), + conv_stride_x(conv_info.stride().first), + conv_stride_y(conv_info.stride().second), + conv_pad_left(conv_info.pad_left()), + conv_pad_top(conv_info.pad_top()), + input_height(input.dimension(height_idx)), + input_width(input.dimension(width_idx)), + input_depth(input.dimension(channel_idx)) + { + } +}; + +inline bool is_valid_input_region(int32_t base_w, uint32_t base_h, uint32_t w, uint32_t h, const DepthwiseConvolutionRunInfo &run_info, const Size2D &dilation) +{ + const int32_t current_h = base_h + h * dilation.y(); + const bool is_valid_h = current_h >= 0 && current_h < static_cast<int32_t>(run_info.input_height); + + const int32_t current_w = base_w + w * dilation.x(); + const bool is_valid_w = current_w >= 0 && current_w < static_cast<int32_t>(run_info.input_width); + + return is_valid_h && is_valid_w; +} + +template <typename T> +void depthwise_loop_multiplier1_fp(const ITensor *src, const ITensor *weights, const ITensor *biases, ITensor *dst, const PadStrideInfo &conv_info, + const Size2D &dilation, const Window &window, bool has_biases) +{ + constexpr auto element_per_vector = vector_size / sizeof(T); + using VectorType = typename wrapper::traits::neon_vector<T, element_per_vector>::type; + using TagType = typename wrapper::traits::neon_vector<T, element_per_vector>::tag_type; + + const auto run_info = DepthwiseConvolutionRunInfo(*src->info(), *weights->info(), conv_info, window); + + const VectorType zero_vector = wrapper::vdup_n(static_cast<T>(0), TagType{}); + + Window execution_window = window; + execution_window.set(Window::DimX, dim_single_unit_step); + + Window win_input = window; + win_input.set(Window::DimX, dim_manual_loop); + win_input.set(Window::DimY, dim_manual_loop); + win_input.set(Window::DimZ, dim_manual_loop); + + Window win_weights = win_input; + win_weights.set(Window::DimW, dim_manual_loop); + + Window win_output = window; + win_output.set(Window::DimX, dim_manual_loop); + + Iterator input_it(src, win_input); + Iterator weights_it(weights, win_weights); + Iterator output_it(dst, win_output); + Iterator biases_it{}; + + if(has_biases) + { + biases_it = Iterator(biases, win_weights); + } + + execute_window_loop(execution_window, [&](const Coordinates & id) + { + const int32_t input_y = id.y() * run_info.conv_stride_x - run_info.conv_pad_left; + const int32_t input_z = id.z() * run_info.conv_stride_y - run_info.conv_pad_top; + const int64_t base_input_offset = input_y * run_info.input_stride_y + input_z * run_info.input_stride_z; + + auto const base_weights_ptr = weights_it.ptr(); + uint32_t x = run_info.x_start; + + for(; x < run_info.x_leftover_start; x += run_info.x_step) + { + VectorType acc = zero_vector; + auto weights_ptr = base_weights_ptr; + int64_t input_offset = base_input_offset; + + for(uint32_t h = 0; h < run_info.weights_height; ++h) + { + int64_t offs = input_offset + x * sizeof(T); + for(uint32_t w = 0; w < run_info.weights_width; ++w) + { + const bool is_valid_region = is_valid_input_region(input_y, input_z, w, h, run_info, dilation); + const auto input_vals = is_valid_region ? + wrapper::vload(reinterpret_cast<T *>(input_it.ptr() + std::min(static_cast<size_t>(offs), run_info.input_max_offset))) : + zero_vector; + const auto weights_vals = wrapper::vload(reinterpret_cast<T *>(weights_ptr + w * run_info.weights_stride_y) + x); + acc = wrapper::vmla(acc, weights_vals, input_vals); + + offs += dilation.x() * run_info.input_stride_y; + } + + weights_ptr += run_info.weights_stride_z; + input_offset += dilation.y() * run_info.input_stride_z; + } + + if(has_biases) + { + const auto biases_vals = wrapper::vload(reinterpret_cast<T *>(biases_it.ptr()) + x); + acc = wrapper::vadd(acc, biases_vals); + } + + wrapper::vstore(reinterpret_cast<T *>(output_it.ptr()) + x, acc); + } + + for(; x < run_info.x_end; ++x) + { + auto acc_scalar = T{ 0 }; + auto weights_ptr = base_weights_ptr; + int64_t input_offset = base_input_offset; + + for(size_t h = 0; h < run_info.weights_height; ++h) + { + int64_t offs = input_offset + x * sizeof(T); + for(size_t w = 0; w < run_info.weights_width; ++w) + { + const bool is_valid_region = is_valid_input_region(input_y, input_z, w, h, run_info, dilation); + const auto input_vals = is_valid_region ? *reinterpret_cast<T *>(input_it.ptr() + std::min(static_cast<size_t>(offs), run_info.input_max_offset)) : 0; + const auto weights_vals = *(reinterpret_cast<T *>(weights_ptr + w * run_info.weights_stride_y) + x); + + acc_scalar += (input_vals * weights_vals); + + offs += dilation.x() * run_info.input_stride_y; + } + + weights_ptr += run_info.weights_stride_z; + input_offset += dilation.y() * run_info.input_stride_z; + } + + if(has_biases) + { + const auto biases_vals = *(reinterpret_cast<T *>(biases_it.ptr()) + x); + acc_scalar += biases_vals; + } + *(reinterpret_cast<T *>(output_it.ptr()) + x) = acc_scalar; + } + }, + input_it, weights_it, biases_it, output_it); +} + +template <typename T> +void depthwise_loop_generic_fp(const ITensor *src, const ITensor *weights, const ITensor *biases, ITensor *dst, const PadStrideInfo &conv_info, + const Size2D &dilation, unsigned int depth_multiplier, const Window &window, bool has_biases) +{ + const auto run_info = DepthwiseConvolutionRunInfo(*src->info(), *weights->info(), conv_info, window, depth_multiplier); + + Window execution_window = window; + execution_window.set(Window::DimX, Window::Dimension(0, run_info.input_depth, 1)); + + Window win_input = execution_window; + win_input.set(Window::DimX, Window::Dimension(0, run_info.input_depth, 1)); + win_input.set(Window::DimY, dim_manual_loop); + win_input.set(Window::DimZ, dim_manual_loop); + + Window win_weights = window; + win_weights.set_dimension_step(Window::DimX, run_info.x_step); + win_weights.set(Window::DimY, dim_manual_loop); + win_weights.set(Window::DimZ, dim_manual_loop); + win_weights.set(Window::DimW, dim_manual_loop); + + Window win_output = window; + win_output.set_dimension_step(Window::DimX, run_info.x_step); + + Iterator input_it(src, win_input); + Iterator weights_it(weights, win_weights); + Iterator output_it(dst, win_output); + Iterator biases_it{}; + + if(has_biases) + { + biases_it = Iterator(biases, win_weights); + } + + execute_window_loop(execution_window, [&](const Coordinates & id) + { + std::vector<T> acc(depth_multiplier, static_cast<T>(0)); + + const int input_y = id.y() * run_info.conv_stride_x - run_info.conv_pad_left; + const int input_z = id.z() * run_info.conv_stride_y - run_info.conv_pad_top; + int input_offset = input_y * run_info.input_stride_y + input_z * run_info.input_stride_z; + + auto weights_ptr = weights_it.ptr(); + for(size_t h = 0; h < run_info.weights_height; ++h) + { + int offs = input_offset; + for(size_t w = 0; w < run_info.weights_width; ++w) + { + const bool is_valid_region = is_valid_input_region(input_y, input_z, w, h, run_info, dilation); + const auto input_val = is_valid_region ? *(reinterpret_cast<T *>(input_it.ptr() + std::min(static_cast<size_t>(offs), run_info.input_max_offset))) : T(0); + + for(size_t m = 0; m < depth_multiplier; ++m) + { + const auto weights_val = *(reinterpret_cast<T *>(weights_ptr + m * sizeof(T) + w * run_info.weights_stride_y)); + acc.at(m) = support::cpp11::fma(weights_val, input_val, acc.at(m)); + } + + offs += dilation.x() * run_info.input_stride_y; + } + + weights_ptr += run_info.weights_stride_z; + input_offset += dilation.y() * run_info.input_stride_z; + } + + if(has_biases) + { + for(size_t m = 0; m < depth_multiplier; ++m) + { + const auto biases_val = *(reinterpret_cast<T *>(biases_it.ptr() + m * sizeof(T))); + *(reinterpret_cast<T *>(output_it.ptr() + m * sizeof(T))) = acc.at(m) + biases_val; + } + } + else + { + for(size_t m = 0; m < depth_multiplier; ++m) + { + *(reinterpret_cast<T *>(output_it.ptr() + m * sizeof(T))) = acc.at(m); + } + } + }, + input_it, weights_it, biases_it, output_it); +} + template <typename T, typename TW> void run_depthwise_float(const ITensor *src, const ITensor *weights, const ITensor *biases, - ITensor *dst, const Window &window, bool has_biases, const ConvolutionInfo &info); + ITensor *dst, const Window &window, bool has_biases, const ConvolutionInfo &info) +{ + PadStrideInfo conv_info = info.pad_stride_info; + unsigned int depth_multiplier = info.depth_multiplier; + Size2D dilation = info.dilation; + + if(depth_multiplier == 1) + { + depthwise_loop_multiplier1_fp<T>(src, weights, biases, dst, conv_info, dilation, window, has_biases); + } + else + { + depthwise_loop_generic_fp<T>(src, weights, biases, dst, conv_info, dilation, depth_multiplier, window, has_biases); + } +} template <typename T, typename TW> void run_depthwise_quanitized8bit(const ITensor *src, const ITensor *weights, const ITensor *biases, |