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/*
* Copyright (c) 2018-2019 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.
*/
#ifndef ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H
#define ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H
#include "arm_compute/graph/GraphContext.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "arm_compute/runtime/IWeightsManager.h"
namespace arm_compute
{
namespace graph
{
namespace backends
{
/** Creates and configures a named function
*
* @param[in] name Name of the function
* @param[in] args Function arguments
*
* @return A configured backend function
*/
template <typename FunctionType, typename FunctionNameType, typename... ParameterType>
std::pair<std::unique_ptr<arm_compute::IFunction>, FunctionNameType> create_named_function(FunctionNameType name, ParameterType... args)
{
auto f = arm_compute::support::cpp14::make_unique<FunctionType>();
f->configure(std::forward<ParameterType>(args)...);
return std::make_pair(std::move(f), name);
}
/** Creates and configures a named function
*
* @param[in] name Name of the function
* @param[in] mm Memory manager to use
* @param[in] args Function arguments
*
* @return A configured backend function
*/
template <typename FunctionType, typename FunctionNameType, typename MemoryManagerType, typename... ParameterType>
std::pair<std::unique_ptr<arm_compute::IFunction>, FunctionNameType> create_named_memory_managed_function(FunctionNameType name,
MemoryManagerType mm,
ParameterType... args)
{
auto f = arm_compute::support::cpp14::make_unique<FunctionType>(mm);
f->configure(std::forward<ParameterType>(args)...);
return std::make_pair(std::move(f), name);
}
/** Checks if an operation is in place
*
* @param[in] input Pointer to input
* @param[in] output Pointer to output
*
* @return True if output is nullptr or input is equal to the output, else false
*/
inline bool is_in_place_operation(void *input, void *output)
{
return (output == nullptr) || (input == output);
}
/** Returns the memory manager for a given target
*
* @param[in] ctx Graph context containing memory management metadata
* @param[in] target Target to retrieve the memory manager from
*
* @return The memory manager for the given target else false
*/
inline std::shared_ptr<IMemoryManager> get_memory_manager(GraphContext &ctx, Target target)
{
bool enabled = ctx.config().use_function_memory_manager && (ctx.memory_management_ctx(target) != nullptr);
return enabled ? ctx.memory_management_ctx(target)->intra_mm : nullptr;
}
/** Returns the weights manager for a given target
*
* @param[in] ctx Graph context containing weight management metadata
* @param[in] target Target to retrieve the weights manager from
*
* @return The weights manager for the given target else false
*/
inline std::shared_ptr<IWeightsManager> get_weights_manager(GraphContext &ctx, Target target)
{
bool enabled = ctx.config().use_function_weights_manager && (ctx.weights_management_ctx(target) != nullptr);
return enabled ? ctx.weights_management_ctx(target)->wm : nullptr;
}
} // namespace backends
} // namespace graph
} // namespace arm_compute
#endif /* ARM_COMPUTE_GRAPH_BACKENDS_UTILS_H */
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