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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_GRAPH_CONTEXT_H
#define ARM_COMPUTE_GRAPH_GRAPH_CONTEXT_H
#include "arm_compute/graph/Types.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "arm_compute/runtime/IWeightsManager.h"
#include <map>
#include <memory>
namespace arm_compute
{
namespace graph
{
/** Contains structs required for memory management */
struct MemoryManagerContext
{
Target target = { Target::UNSPECIFIED }; /**< Target */
std::shared_ptr<arm_compute::IMemoryManager> intra_mm = { nullptr }; /**< Intra-function memory manager */
std::shared_ptr<arm_compute::IMemoryManager> cross_mm = { nullptr }; /**< Cross-function memory manager */
std::shared_ptr<arm_compute::IMemoryGroup> cross_group = { nullptr }; /**< Cross-function memory group */
IAllocator *allocator = { nullptr }; /**< Backend allocator to use */
};
/** Contains structs required for weights management */
struct WeightsManagerContext
{
Target target = { Target::UNSPECIFIED }; /**< Target */
std::shared_ptr<arm_compute::IWeightsManager> wm = { nullptr }; /**< Weights manager */
};
/** Graph context **/
class GraphContext final
{
public:
/** Constructor */
GraphContext();
/** Destructor */
~GraphContext();
/** Prevent instances of this class from being copied (As this class contains pointers) */
GraphContext(const GraphContext &) = delete;
/** Default move constructor */
GraphContext(GraphContext &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
GraphContext &operator=(const GraphContext &) = delete;
/** Default move assignment operator */
GraphContext &operator=(GraphContext &&) = default;
/** Graph configuration accessor
*
* @note Every alteration has to be done before graph finalization
*
* @return The graph configuration
*/
const GraphConfig &config() const;
/** Sets graph configuration
*
* @param[in] config Configuration to use
*/
void set_config(const GraphConfig &config);
/** Inserts a memory manager context
*
* @param[in] memory_ctx Memory manage context
*
* @return True if the insertion succeeded else false
*/
bool insert_memory_management_ctx(MemoryManagerContext &&memory_ctx);
/** Gets a memory manager context for a given target
*
* @param[in] target To retrieve the management context
*
* @return Management context for the target if exists else nullptr
*/
MemoryManagerContext *memory_management_ctx(Target target);
/** Gets the memory managers map
*
* @return Memory manager contexts
*/
std::map<Target, MemoryManagerContext> &memory_managers();
/** Inserts a weights manager context
*
* @param[in] weights_ctx Weights manager context
*
* @return True if the insertion succeeded else false
*/
bool insert_weights_management_ctx(WeightsManagerContext &&weights_ctx);
/** Gets a weights manager context for a given target
*
* @param[in] target To retrieve the weights management context
*
* @return Management context for the target if exists else nullptr
*/
WeightsManagerContext *weights_management_ctx(Target target);
/** Gets the weights managers map
*
* @return Weights manager contexts
*/
std::map<Target, WeightsManagerContext> &weights_managers();
/** Finalizes memory managers in graph context */
void finalize();
private:
GraphConfig _config; /**< Graph configuration */
std::map<Target, MemoryManagerContext> _memory_managers; /**< Memory managers for each target */
std::map<Target, WeightsManagerContext> _weights_managers; /**< Weights managers for each target */
};
} // namespace graph
} // namespace arm_compute
#endif /* ARM_COMPUTE_GRAPH_GRAPH_CONTEXT_H */
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