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diff --git a/src/core/NEON/kernels/assembly/depthwise.hpp b/src/core/NEON/kernels/assembly/depthwise.hpp
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+/*
+ * Copyright (c) 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.
+ */
+
+#pragma once
+
+#include "arm_gemm.hpp"
+#include "arm_gemm_local.hpp"
+#include "depthwise_common.hpp"
+
+namespace arm_conv
+{
+namespace depthwise
+{
+struct DepthwiseConfig
+{
+ DepthwiseMethod method = DepthwiseMethod::DEFAULT;
+ std::string filter = "";
+
+ DepthwiseConfig(DepthwiseMethod method)
+ : method(method) {};
+ DepthwiseConfig() {};
+};
+
+struct DepthwiseArgs
+{
+ const CPUInfo *cpu_info;
+
+ unsigned int kernel_rows, kernel_cols;
+ unsigned int stride_rows, stride_cols;
+
+ unsigned int n_batches, input_rows, input_cols, input_channels;
+ unsigned int output_rows, output_cols;
+ unsigned int channel_multiplier;
+
+ PaddingValues padding;
+
+ arm_gemm::Activation activation;
+
+ const DepthwiseConfig *config;
+
+ DepthwiseArgs(
+ const CPUInfo *cpu_info,
+ unsigned int kernel_rows, unsigned int kernel_cols,
+ unsigned int stride_rows, unsigned int stride_cols,
+ unsigned int n_batches, unsigned int input_rows, unsigned int input_cols,
+ unsigned int input_channels,
+ unsigned int output_rows, unsigned int output_cols,
+ unsigned int channel_multiplier,
+ PaddingValues padding, arm_gemm::Activation activation,
+ const DepthwiseConfig *config)
+ : cpu_info(cpu_info), kernel_rows(kernel_rows), kernel_cols(kernel_cols), stride_rows(stride_rows), stride_cols(stride_cols), n_batches(n_batches), input_rows(input_rows), input_cols(input_cols),
+ input_channels(input_channels), output_rows(output_rows), output_cols(output_cols), channel_multiplier(channel_multiplier), padding(padding), activation(activation), config(config)
+ {
+ }
+};
+
+template <typename TInput, typename TWeight, typename TOutput>
+class DepthwiseCommon : public IDepthwiseCommon
+{
+protected:
+ const DepthwiseArgs m_args; // Copy of arguments
+
+public:
+ DepthwiseCommon(const DepthwiseArgs &args)
+ : m_args(args) {};
+ DepthwiseCommon(DepthwiseCommon &) = delete;
+ DepthwiseCommon &operator=(DepthwiseCommon &) = delete;
+
+ void execute(
+ const void *const input,
+ const void *const parameters,
+ void *const output,
+ void *const working_space,
+ const unsigned int thread_id,
+ const unsigned int n_threads) const override
+ {
+ const size_t ld_input_col = m_args.input_channels;
+ const size_t ld_input_row = ld_input_col * m_args.input_cols;
+ const size_t ld_input_batch = ld_input_row * m_args.input_rows;
+ const size_t ld_output_col = m_args.input_channels * m_args.channel_multiplier;
+ const size_t ld_output_row = ld_output_col * m_args.output_cols;
+ const size_t ld_output_batch = ld_output_row * m_args.output_rows;
+
+ execute(
+ input, ld_input_col, ld_input_row, ld_input_batch,
+ parameters, output, ld_output_col, ld_output_row, ld_output_batch,
+ working_space, thread_id, n_threads);
+ }
+
+ void execute(
+ const void *const input,
+ size_t ld_input_col,
+ size_t ld_input_row,
+ size_t ld_input_batch,
+ const void *const parameters,
+ void *const output,
+ size_t ld_output_col,
+ size_t ld_output_row,
+ size_t ld_output_batch,
+ void *const working_space,
+ const unsigned int thread_id,
+ const unsigned int n_threads) const override
+ {
+ execute(
+ m_args.n_batches, m_args.input_rows, m_args.input_cols,
+ m_args.input_channels, m_args.padding,
+ input, ld_input_col, ld_input_row, ld_input_batch,
+ parameters,
+ m_args.output_rows, m_args.output_cols,
+ output, ld_output_col, ld_output_row, ld_output_batch,
+ working_space, thread_id, n_threads);
+ }
+
+ 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 override = 0;
+};
+
+template <typename TInput, typename TWeight = TInput, typename TOutput = TInput>
+using UniqueDepthwiseCommon = std::unique_ptr<DepthwiseCommon<TInput, TWeight, TOutput>>;
+
+template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing>
+KernelDescription get_depthwise_method(const DepthwiseArgs &, const OutputStage & = {});
+
+template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing>
+UniqueDepthwiseCommon<TInput, TWeight, TOutput> depthwise(const DepthwiseArgs &, const OutputStage & = {});
+
+template <typename TInput, typename TWeight = TInput, typename TOutput = TInput, class OutputStage = Nothing>
+std::vector<KernelDescription> get_compatible_kernels(const DepthwiseArgs &, const OutputStage & = {});
+
+} // namespace depthwise
+} // namespace arm_conv