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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 SRC_DYNAMIC_FUSION_SKETCH_GPU_TEMPLATE_WRITER_GPUKERNELVARIABLETABLE
#define SRC_DYNAMIC_FUSION_SKETCH_GPU_TEMPLATE_WRITER_GPUKERNELVARIABLETABLE
#include "arm_compute/core/ITensorInfo.h"
#include "src/dynamic_fusion/sketch/gpu/GpuKernelArgument.h"
#include "support/AclRequires.h"
#include "support/StringSupport.h"
#include <set>
#include <string>
#include <type_traits>
#include <unordered_map>
namespace arm_compute
{
namespace experimental
{
namespace dynamic_fusion
{
class GpuKernelComponentGroup;
/** A table of all the variables used in the kernel.
* Each kernel has exactly one variable table.
*/
class GpuKernelVariableTable
{
public:
/** A tensor variable whose main purposes are:
* - Hold the newly assigned @ref GpuKernelArgumentInfo for the associated tensor info
* - Hold the generated variable name for the associated tensor info
*/
struct TensorVariable
{
public:
TensorVariable() = default;
TensorVariable(const TensorVariable &) = default;
TensorVariable &operator=(const TensorVariable &) = default;
ITensorInfo::Id id{ITensorInfo::invalid_tensor_id};
std::string uniq_name{"empty"}; // Unique name, also the final variable name used in the built code
GpuKernelArgumentInfo kernel_argument_info{};
bool has_valid_id() const
{
return id != ITensorInfo::invalid_tensor_id;
}
};
using VariableList = std::vector<TensorVariable>;
public:
/** Declare a @ref TensorVariable for a corresponding tensor info.
*
* @param[in] comp_group Component group the tensor belongs to
* @param[in] tensor Tensor info with which the new variable is associated
* @param[in] argument_info Kernel argument information
* @param[in] alias Alias for the variable. Will be used as part of the variable name
*/
void declare_variable(const GpuKernelComponentGroup &comp_group,
const ITensorInfo *tensor,
GpuKernelArgumentInfo argument_info,
const std::string &alias = "unnamed");
/** Get the @ref TensorVariable associated with @p tensor
*
* @param[in] tensor Tensor info to be queried
*
* @return TensorVariable
*/
TensorVariable get_variable(const ITensorInfo *tensor) const;
/** Get the @ref TensorVariable list associated with @p tensors
* @note Empty tensors are skipped
*
* @param[in] tensors List of tensor infos to be queried
*
* @return VariableList
*/
VariableList get_variable_list(const std::vector<const ITensorInfo *> &tensors) const;
private:
std::map<ITensorInfo::Id, TensorVariable> _vars{};
};
/** A tag value will substitute a tag in a string template during its instantiation */
struct TagVal
{
/** Default constructor */
TagVal() = default;
/** Construct a @ref TagVal from a @ref GpuKernelVariableTable::TensorVariable */
TagVal(const GpuKernelVariableTable::TensorVariable &var);
/** Construct a @ref TagVal from an integral type */
template <typename T, ARM_COMPUTE_REQUIRES_TA(std::is_integral<T>::value)>
TagVal(T val) : value{support::cpp11::to_string(val)}
{
}
/** Construct a @ref TagVal from a string */
TagVal(const std::string &val);
/** Construct a @ref TagVal from a c-style string */
TagVal(const char *val);
/** Construct a @ref TagVal from a @ref DataType */
TagVal(const DataType &data_type);
/** Get the value of the TagVal as a converted string */
std::string value{};
};
/** A tag used in a string template is a placeholder string to be substituted by real values during template instantiation */
using Tag = std::string;
/** Tag lookup table. It is used to instantiate a string template */
using TagLUT = std::unordered_map<Tag, TagVal>;
} // namespace dynamic_fusion
} // namespace experimental
} // namespace arm_compute
#endif /* SRC_DYNAMIC_FUSION_SKETCH_GPU_TEMPLATE_WRITER_GPUKERNELVARIABLETABLE */
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