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/*
* Copyright (c) 2022-2023 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 "utils.hpp"
#include "interleaves/generic.hpp"
#include "depthfirst_driver.hpp"
namespace arm_conv {
namespace depthwise {
class DepthfirstStrategyUntyped : public IDepthfirstStrategy
{
public:
virtual arm_gemm::VLType get_vl_type() const = 0;
virtual unsigned int get_kernel_rows() const = 0;
virtual unsigned int get_kernel_cols() const = 0;
virtual unsigned int get_stride_rows() const = 0;
virtual unsigned int get_stride_cols() const = 0;
virtual unsigned int get_input_rows() const override;
virtual unsigned int get_input_cols() const override;
virtual unsigned int get_n_input_points() const;
virtual unsigned int get_n_output_points() const;
virtual unsigned int get_n_kernel_points() const;
virtual bool uses_premultiply() const;
// Get the number of VLs used in the accumulator, this defaults to 1.
virtual unsigned int get_accumulator_depth_vl() const;
// Get the order in which to pack the weights, this defaults to a row-major
// sweep over the weight tensor.
virtual bool get_kernel_packing_point(const unsigned int index, unsigned int &x, unsigned int &y) const;
};
template <typename TInput, typename TWeight, typename TOutput, typename TAccum, typename OutputStage>
class DepthfirstStrategy : public DepthfirstStrategyUntyped
{
public:
virtual size_t get_storage_size(const DepthwiseArgs &args) const
{
interleaves::PackingArguments packing_args(
this->get_kernel_rows(), this->get_kernel_cols(), sizeof(TWeight),
true, sizeof(TAccum), this->uses_premultiply(),
this->get_vl_type(), sizeof(TAccum), this->get_accumulator_depth_vl(),
[this] (unsigned int idx, unsigned int &x, unsigned int &y) -> bool
{ return this->get_kernel_packing_point(idx, x, y); }
);
return interleaves::get_storage_size_generic(packing_args, args);
}
virtual void pack_parameters(
const DepthwiseArgs &args, void *buffer,
const void *biases, const OutputStage &,
const void *weights, size_t ld_weight_col, size_t ld_weight_row
) const
{
interleaves::PackingArguments packing_args(
this->get_kernel_rows(), this->get_kernel_cols(), sizeof(TWeight),
true, sizeof(TAccum), this->uses_premultiply(),
this->get_vl_type(), sizeof(TAccum), this->get_accumulator_depth_vl(),
[this] (unsigned int idx, unsigned int &x, unsigned int &y) -> bool
{ return this->get_kernel_packing_point(idx, x, y); }
);
interleaves::pack_parameters_generic(
packing_args, args, buffer, biases, weights, ld_weight_col, ld_weight_row);
}
};
} // namespace depthwise
} // namespace arm_conv
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