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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.
*/
#ifndef ACL_SRC_DYNAMIC_FUSION_SKETCH_ARGUMENTPACK_H
#define ACL_SRC_DYNAMIC_FUSION_SKETCH_ARGUMENTPACK_H
#include "arm_compute/core/experimental/Types.h"
#include <unordered_map>
#include <vector>
namespace arm_compute
{
namespace experimental
{
namespace dynamic_fusion
{
/** This is a generic class that packs the arguments of an operator. For now, it is only used for tensor-related types
* Examples of "tensor-related types": @ref ITensorInfo, @ref ITensor, @ref ICLTensor
*
* The argument id is the position of the argument within the pack, and is represented by @ref TensorType
*
* @tparam T Tensor-related type
*/
template <typename T>
class ArgumentPack
{
public:
/** @ref arm_compute::TensorType encodes the position of a tensor argument within the pack */
using Id = TensorType;
/** A single argument element within the pack
* It contains either a const pointer or a non-const pointer to the Tensor-related type T, but never at the same time
*/
struct PackElement
{
PackElement() = default;
PackElement(const PackElement &elem) = default;
PackElement &operator=(const PackElement &elem) = default;
PackElement(PackElement &&elem) = default;
PackElement &operator=(PackElement &&elem) = default;
PackElement(Id id, T *tensor) : id(id), tensor(tensor), ctensor(nullptr)
{
}
PackElement(Id id, const T *ctensor) : id(id), tensor(nullptr), ctensor(ctensor)
{
}
Id id{ACL_UNKNOWN}; /**< Argument id within the pack */
T *tensor{nullptr}; /**< Non-const pointer to tensor-related object */
const T *ctensor{nullptr}; /**< Const pointer to tensor-related object */
};
public:
/** Default constructor */
ArgumentPack() = default;
/** Destructor */
~ArgumentPack() = default;
/** Allow instances of this class to be copy constructed */
ArgumentPack<T>(const ArgumentPack<T> &other) = default;
/** Allow instances of this class to be copied */
ArgumentPack<T> &operator=(const ArgumentPack<T> &other) = default;
/** Allow instances of this class to be move constructed */
ArgumentPack<T>(ArgumentPack<T> &&other) = default;
/** Allow instances of this class to be moved */
ArgumentPack<T> &operator=(ArgumentPack<T> &&other) = default;
/** Initializer list Constructor */
ArgumentPack(const std::initializer_list<PackElement> &l) : _pack{}
{
for (const auto &e : l)
{
_pack[e.id] = e;
}
}
/** Add tensor to the pack
*
* @param[in] id ID of the tensor to add
* @param[in] tensor Tensor to add
*/
void add_tensor(Id id, T *tensor)
{
_pack[id] = PackElement(id, tensor);
}
/** Add const tensor to the pack
*
* @param[in] id ID of the tensor to add
* @param[in] tensor Tensor to add
*/
void add_const_tensor(Id id, const T *tensor)
{
_pack[id] = PackElement(id, tensor);
}
/** Get tensor of a given id from the pack
*
* @param[in] id ID of tensor to extract
*
* @return The pointer to the tensor if exist and is non-const else nullptr
*/
T *get_tensor(Id id)
{
auto it = _pack.find(id);
return it != _pack.end() ? it->second.tensor : nullptr;
}
/** Get constant tensor of a given id
*
* @param[in] id ID of tensor to extract
*
* @return The pointer to the tensor (const or not) if exist else nullptr
*/
const T *get_const_tensor(Id id) const
{
auto it = _pack.find(id);
if (it != _pack.end())
{
return it->second.ctensor != nullptr ? it->second.ctensor : it->second.tensor;
}
return nullptr;
}
/** Remove the tensor stored with the given id
*
* @param[in] id ID of tensor to remove
*/
void remove_tensor(Id id)
{
_pack.erase(id);
}
/** Pack size accessor
*
* @return Number of tensors registered to the pack
*/
size_t size() const
{
return _pack.size();
}
/** Checks if pack is empty
*
* @return True if empty else false
*/
bool empty() const
{
return _pack.empty();
}
/** Get the ACL_SRC_* tensors
*
* @return std::vector<T *>
*/
std::vector<T *> get_src_tensors()
{
std::vector<T *> src_tensors{};
for (int id = static_cast<int>(TensorType::ACL_SRC); id <= static_cast<int>(TensorType::ACL_SRC_END); ++id)
{
auto tensor = get_tensor(static_cast<TensorType>(id));
if (tensor != nullptr)
{
src_tensors.push_back(tensor);
}
}
return src_tensors;
}
/** Get the const ACL_SRC_* tensors
*
* @return std::vector<const T *>
*/
std::vector<const T *> get_const_src_tensors() const
{
std::vector<const T *> src_tensors{};
for (int id = static_cast<int>(TensorType::ACL_SRC); id <= static_cast<int>(TensorType::ACL_SRC_END); ++id)
{
auto tensor = get_const_tensor(static_cast<TensorType>(id));
if (tensor != nullptr)
{
src_tensors.push_back(tensor);
}
}
return src_tensors;
}
/** Get the ACL_DST_* tensors
*
* @return std::vector<T *>
*/
std::vector<T *> get_dst_tensors()
{
std::vector<T *> dst_tensors{};
for (int id = static_cast<int>(TensorType::ACL_DST); id <= static_cast<int>(TensorType::ACL_DST_END); ++id)
{
auto tensor = get_tensor(static_cast<TensorType>(id));
if (tensor != nullptr)
{
dst_tensors.push_back(tensor);
}
}
return dst_tensors;
}
/** Get the const ACL_DST_* tensors
*
* @return std::vector<const T *>
*/
std::vector<const T *> get_const_dst_tensors() const
{
std::vector<const T *> dst_tensors{};
for (int id = static_cast<int>(TensorType::ACL_DST); id <= static_cast<int>(TensorType::ACL_DST_END); ++id)
{
auto tensor = get_const_tensor(static_cast<TensorType>(id));
if (tensor != nullptr)
{
dst_tensors.push_back(tensor);
}
}
return dst_tensors;
}
private:
std::unordered_map<int, PackElement> _pack{}; /**< Container with the packed tensors */
};
} // namespace dynamic_fusion
} // namespace experimental
} // namespace arm_compute
#endif // ACL_SRC_DYNAMIC_FUSION_SKETCH_ARGUMENTPACK_H
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