diff options
Diffstat (limited to 'src/core/NEON/kernels/assembly/depthwise_common.hpp')
-rw-r--r-- | src/core/NEON/kernels/assembly/depthwise_common.hpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/assembly/depthwise_common.hpp b/src/core/NEON/kernels/assembly/depthwise_common.hpp new file mode 100644 index 0000000000..5ff848e281 --- /dev/null +++ b/src/core/NEON/kernels/assembly/depthwise_common.hpp @@ -0,0 +1,146 @@ +/* + * Copyright (c) 2021-2023 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. + */ + +#pragma once + +#include "arm_gemm.hpp" +#include "common.hpp" +#include <cstddef> +#include <tuple> + +namespace arm_conv +{ +namespace depthwise +{ +using arm_gemm::Nothing; + +enum class DepthwiseMethod +{ + DEFAULT, + DEPTHFIRST, + PLANAR, +}; + +struct KernelDescription +{ + DepthwiseMethod method = DepthwiseMethod::DEFAULT; + std::string name = ""; + bool is_default = false; + uint64_t cycle_estimate = 0; + + KernelDescription(DepthwiseMethod method, std::string name, bool is_default, uint64_t cycle_estimate) + : method(method), name(name), is_default(is_default), cycle_estimate(cycle_estimate) + { + } + + KernelDescription() noexcept {}; +}; + +class IDepthwiseCommon +{ +public: + virtual ~IDepthwiseCommon() = default; + + // Get the name of the depthwise implementation + virtual std::string name() const = 0; + + // Determine the amount of storage space required for the rearranged weights + // and bias. + virtual size_t get_storage_size(void) const = 0; + + // Rearrange the weights and biases into a storage buffer. + // Accepts a pointer to a buffer into which to store the packed parameters, a + // pointer the bias vector (which may be nullptr in the case of no bias) and + // a pointer to the array of weights (stored in HWIO order). + virtual void pack_parameters( + void *buffer, const void *biases, const void *weights, size_t ld_weight_col = 0, size_t ld_weight_row = 0) = 0; + + // Determine the amount of working space required + virtual size_t get_working_size(unsigned int n_threads) const = 0; + + // Execute the convolution over the specified area of memory. + virtual void execute(const void *input, // Pointer to input tensor + const void *parameters, // Packed parameters buffer + void *output, + void *working_space, + unsigned int thread_id, + unsigned int n_threads) const = 0; + + virtual void execute(const void *input, + size_t ld_input_col, + size_t ld_input_row, + size_t ld_input_batch, + const void *parameters, + void *output, + size_t ld_output_col, + size_t ld_output_row, + size_t ld_output_batch, + void *working_space, + unsigned int thread_id, + unsigned int n_threads) const = 0; + + virtual void execute(unsigned int batches, + unsigned int input_height, + unsigned int input_width, + unsigned int channels, + const PaddingValues &, + const void *input, + size_t ld_input_col, + size_t ld_input_row, + size_t ld_input_batch, + const void *parameters, + unsigned int output_height, + unsigned int output_width, + void *output, + size_t ld_output_col, + size_t ld_output_row, + size_t ld_output_batch, + void *working_space, + unsigned int thread_id, + unsigned int n_threads) const = 0; +}; + +// To handle a dilation factor of D execute the kernel once for each d in +// [0..D). Each `d` corresponds to a portion or "view" of the input and output +// tensors. The output view corresponds to every Dth pixel starting from `d`; +// this function computes how many pixels are covered. The input view consists +// of an amount of before padding, every Dth pixel starting from an offset, and +// some after padding. This function computes the start padding, input offset, +// number of valid input pixels, and the after padding. +// +// Returns +// - Number of valid output pixels corresponding to `d` +// - Number of valid input pixels corresponding to `d` +// - Offset of the first pixel corresponding to `d` +// - Amount of padding in the view for `d` +std::tuple<size_t, size_t, size_t, size_t, size_t> get_reduced_view_for_dilation(size_t out_size, + size_t in_size, + size_t d, + size_t dilation_factor, + size_t kernel_size, + size_t stride, + size_t pad_before); + +} // namespace depthwise +} // namespace arm_conv |