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-/*
- * Copyright (c) 2019 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 "depthwise_dilated.hpp"
-#include "utils.hpp"
-
-#define MEMBERFN(TOUT) \
- template <unsigned int OutputTileRows, unsigned int OutputTileColumns, \
- unsigned int KernelRows, unsigned int KernelColumns, \
- unsigned int StrideRows, unsigned int StrideColumns, typename TIn, \
- typename TBias, typename TOut> \
- TOUT DilatedDepthwiseConvolution<OutputTileRows, OutputTileColumns, \
- KernelRows, KernelColumns, StrideRows, \
- StrideColumns, TIn, TBias, TOut>
-
-namespace depthwise {
-
-MEMBERFN()
-::DilatedDepthwiseConvolution(const int n_batches, const int n_input_rows,
- const int n_input_cols, const int n_channels,
- const int dilation_factor,
- nck::ActivationFunction activation,
- const unsigned int padding_top,
- const unsigned int padding_left,
- const unsigned int padding_bottom,
- const unsigned int padding_right)
- : DilatedDepthwiseConvolution(
- n_batches, n_input_rows, n_input_cols, n_channels, dilation_factor,
- DilatedDepthwiseConvolution::get_output_size(
- n_input_rows, padding_top, padding_bottom, dilation_factor),
- DilatedDepthwiseConvolution::get_output_size(
- n_input_cols, padding_left, padding_right, dilation_factor),
- activation, padding_top, padding_left, padding_bottom,
- padding_right) {}
-
-MEMBERFN()
-::DilatedDepthwiseConvolution(const int n_batches, const int n_input_rows,
- const int n_input_cols, const int n_channels,
- const int dilation_factor,
- const int n_output_rows, const int n_output_cols,
- nck::ActivationFunction activation,
- const unsigned int padding_top,
- const unsigned int padding_left,
- const unsigned int, // padding_bottom
- const unsigned int // padding_right
- )
- : DilatedDepthwiseConvolution(
- n_batches, n_input_rows, n_input_cols, n_channels, dilation_factor,
- n_output_rows, n_output_cols, activation, padding_top, padding_left,
- 0, 0,
- // Function which creates a new (standard) depthwise convolution
- [](const int n_batches, const int n_input_rows,
- const int n_input_cols, const int n_channels,
- const int n_output_rows, const int n_output_cols,
- const nck::ActivationFunction activation,
- const unsigned int padding_top, const unsigned int padding_left,
- const unsigned int padding_bottom,
- const unsigned int padding_right) -> IDepthwiseConvolution * {
- return new DepthwiseConvolution<
- OutputTileRows, OutputTileColumns, KernelRows, KernelColumns,
- StrideRows, StrideColumns, TIn, TBias, TOut>(
- n_batches, n_input_rows, n_input_cols, n_channels,
- n_output_rows, n_output_cols, activation, padding_top,
- padding_left, padding_bottom, padding_right);
- }) {}
-
-MEMBERFN()
-::DilatedDepthwiseConvolution(
- const int n_batches, const int n_input_rows, const int n_input_cols,
- const int n_channels, const int dilation_factor, const int n_output_rows,
- const int n_output_cols, nck::ActivationFunction activation,
- const unsigned int padding_top, const unsigned int padding_left,
- const unsigned int, // padding_bottom
- const unsigned int, // padding_right
- std::function<IDepthwiseConvolution *(
- int, int, int, int, int, int, nck::ActivationFunction, unsigned int,
- unsigned int, unsigned int, unsigned int)>
- subconvfn // Function to create a new convolution
- )
- : _dilation_factor(dilation_factor), _n_input_rows(n_input_rows),
- _n_input_cols(n_input_cols), _n_channels(n_channels),
- _padding_top(static_cast<int>(padding_top)),
- _padding_left(static_cast<int>(padding_left)),
- _n_output_rows(n_output_rows), _n_output_cols(n_output_cols),
- _convs(_dilation_factor) {
- // Instantiate the base convolutions
- for (uint32_t i = 0; i < static_cast<uint32_t>(_dilation_factor); i++) {
- // Compute properties of this row of base convolutions
- const int row_top =
- i * StrideRows - _padding_top; // -ve values are in the padding
- const int row_pad_top =
- row_top < 0 ? iceildiv(-row_top, dilation_factor) : 0;
-
- const int _n_input_rows = iceildiv(n_input_rows - i, dilation_factor);
- const int _n_output_rows = iceildiv(n_output_rows - i, dilation_factor);
-
- for (uint32_t j = 0; j < static_cast<uint32_t>(_dilation_factor); j++) {
- // Compute properties of the base convolution
- const int col_left =
- j * StrideColumns - padding_left; // -ve values are in the padding
- const int col_pad_left =
- col_left < 0 ? iceildiv(-col_left, dilation_factor) : 0;
-
- const int _n_input_cols = iceildiv(n_input_cols - j, dilation_factor);
- const int _n_output_cols = iceildiv(n_output_cols - j, dilation_factor);
-
- // Create new depthwise convolution engine and include it in the vector
- // of engines. The new depthwise convolution engine is created by calling
- // the delegate function we received as an argument.
- _convs[i].emplace_back(subconvfn(
- n_batches, _n_input_rows, _n_input_cols, n_channels, _n_output_rows,
- _n_output_cols, activation,
- // Note: since we have computed the output tensor size we don't need
- // to explicitly provide bottom and right padding values to the
- // depthwise convolution.
- row_pad_top, col_pad_left, 0, 0));
- }
- }
-}
-
-MEMBERFN(void)::set_input(const void *const inptr) {
- set_input(inptr, _n_channels);
-}
-
-MEMBERFN(void)::set_input(const void *const inptr, const int ldcol) {
- set_input(inptr, _n_input_cols * ldcol, ldcol);
-}
-
-MEMBERFN(void)
-::set_input(const void *const inptr, const int ldrow, const int ldcol) {
- set_input(inptr, _n_input_rows * ldrow, ldrow, ldcol);
-}
-
-MEMBERFN(void)
-::set_input(const void *const inptr, const int ldbatch, const int ldrow,
- const int ldcol) {
- // Compute dilated strides
- const int ldrow_dilated = ldrow * _dilation_factor;
- const int ldcol_dilated = ldcol * _dilation_factor;
-
- // Pass input parameters on to base convolutions
- for (uint32_t i = 0; i < static_cast<uint32_t>(_dilation_factor); i++) {
- const int top_pos =
- i * StrideRows - _padding_top +
- ((static_cast<int>(i * StrideRows) < _padding_top)
- ? iceildiv(_padding_top - i * StrideRows, _dilation_factor) *
- _dilation_factor
- : 0);
- const TIn *const inptr_i =
- static_cast<const TIn *>(inptr) + top_pos * ldrow;
-
- for (uint32_t j = 0; j < static_cast<uint32_t>(_dilation_factor); j++) {
- int left_pos = j * StrideColumns - _padding_left;
- while (left_pos < 0)
- left_pos += _dilation_factor;
-
- // Modify the pointer to point to the first element of the dilated input
- // tensor, then set the input for this convolution engine.
- const void *const inptr_ij = inptr_i + left_pos * ldcol;
- _convs[i][j]->set_input(inptr_ij, ldbatch, ldrow_dilated, ldcol_dilated);
- }
- }
-}
-
-MEMBERFN(void)::set_output(void *const outptr) {
- set_output(outptr, _n_channels);
-}
-
-MEMBERFN(void)::set_output(void *const outptr, const int ldcol) {
- set_output(outptr, _n_output_cols * ldcol, ldcol);
-}
-
-MEMBERFN(void)
-::set_output(void *const outptr, const int ldrow, const int ldcol) {
- set_output(outptr, _n_output_rows * ldrow, ldrow, ldcol);
-}
-
-MEMBERFN(void)
-::set_output(void *const outptr, const int ldbatch, const int ldrow,
- const int ldcol) {
- // Compute dilated strides
- const int ldrow_dilated = ldrow * _dilation_factor;
- const int ldcol_dilated = ldcol * _dilation_factor;
-
- // Pass input parameters on to base convolutions
- for (uint32_t i = 0; i < static_cast<uint32_t>(_dilation_factor); i++) {
- for (uint32_t j = 0; j < static_cast<uint32_t>(_dilation_factor); j++) {
- // Modify the pointer to point to the first element of the dilated input
- // tensor, then set the input for this convolution engine.
- void *const outptr_ij =
- static_cast<TOut *>(outptr) + i * ldrow + j * ldcol;
- _convs[i][j]->set_output(outptr_ij, ldbatch, ldrow_dilated,
- ldcol_dilated);
- }
- }
-}
-
-MEMBERFN(int)
-::get_output_size(const int dim_size, const unsigned int padding_before,
- const unsigned int padding_after, const int dilation_factor) {
- const int input_size =
- dim_size + static_cast<int>(padding_before + padding_after);
- const int window_size = (KernelRows - 1) * dilation_factor + 1;
- return iceildiv(input_size - window_size + 1, StrideRows);
-}
-
-MEMBERFN(int)
-::output_size(const int dim_size, const unsigned int padding_before,
- const unsigned int padding_after) const {
- return get_output_size(dim_size, padding_before, padding_after,
- _dilation_factor);
-}
-
-MEMBERFN(size_t)::get_packed_params_size(void) const {
- return _convs[0][0]->get_packed_params_size();
-}
-
-MEMBERFN(void)::set_packed_params_buffer(void *buffer) {
- // Set the buffer for all convolution engines
- for (auto &&row : _convs) {
- for (auto &&conv : row) {
- conv->set_packed_params_buffer(buffer);
- }
- }
-}
-
-MEMBERFN(void)
-::pack_params(const void *const weights, const void *const biases) const {
- _convs[0][0]->pack_params(weights, biases);
-}
-
-MEMBERFN(void)
-::pack_params(void *const buffer, const void *const weights,
- const void *const biases) const {
- _convs[0][0]->pack_params(buffer, weights, biases);
-}
-
-MEMBERFN(void)
-::pack_params(void *const buffer, const void *const weights,
- const unsigned int ldrow, const unsigned int ldcol,
- const void *const biases) const {
- _convs[0][0]->pack_params(buffer, weights, ldrow, ldcol, biases);
-}
-
-MEMBERFN(size_t)::get_working_space_size(unsigned int nthreads) const {
- return _convs[0][0]->get_working_space_size(nthreads);
-}
-
-MEMBERFN(void)::set_working_space(void *const ws) {
- // Use the same working space set for all contained depthwise engines.
- for (auto &&row : _convs) {
- for (auto &&conv : row) {
- conv->set_working_space(ws);
- }
- }
-}
-
-MEMBERFN(unsigned int)::get_window(void) const {
- return _convs[0][0]->get_window();
-}
-
-MEMBERFN(void)
-::run(const unsigned int start, const unsigned int stop,
- const unsigned int threadid) {
- // Run each contained convolution in turn
- for (auto &&row : _convs) {
- for (auto &&conv : row) {
- conv->run(start, stop, threadid);
- }
- }
-}
-
-} // namespace depthwise