Brandon Potter
163 рядки
3.8 KiB
C++
163 рядки
3.8 KiB
C++
/******************************************************************************
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* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef LIBRARY_SRC_MEMORY_SINGLE_HEAP_HPP_
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#define LIBRARY_SRC_MEMORY_SINGLE_HEAP_HPP_
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#include "address_record.hpp"
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#include "heap_memory.hpp"
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#include "heap_type.hpp"
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#include "pow2_bins.hpp"
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/**
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* @file single_heap.hpp
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*
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* @brief Contains a single heap
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*
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* The single heap implements local processing element allocations. The
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* symmetric heap delegates allocations to this class.
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*/
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namespace rocshmem {
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class SingleHeap {
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/**
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* @brief Helper type for address records
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*/
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using AR_T = AddressRecord;
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/**
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* @brief Helper type for allocation strategy
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*/
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using STRAT_T = Pow2Bins<AR_T, HEAP_T>;
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public:
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/**
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* @brief Primary constructor
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*/
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SingleHeap();
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/**
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* @brief Allocates memory from the heap
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*
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* @param[in,out] A pointer to memory handle
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* @param[in] Size in bytes of memory allocation
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*/
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void malloc(void** ptr, size_t size);
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/**
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* @brief Allocates memory from the heap
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*
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* @param[in,out] A pointer to memory handle
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* @param[in] Size in bytes of memory allocation
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*
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* @note Not implemented
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*/
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__device__ void malloc(void** ptr, size_t size);
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/**
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* @brief Frees memory from the heap
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*
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* @param[in] Raw pointer to heap memory
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*/
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void free(void* ptr);
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/**
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* @brief Frees memory from the heap
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*
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* @param[in] Raw pointer to heap memory
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*
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* @note Not implemented
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*/
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__device__ void free(void* ptr);
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/**
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* @brief
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*
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* @param[in]
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* @param[in]
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*
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* @return
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*/
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void* realloc(void* ptr, size_t size);
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/**
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* @brief
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*
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* @param[in]
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* @param[in]
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*
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* @return
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*/
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void* malign(size_t alignment, size_t size);
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/**
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* @brief Accessor for heap base ptr
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*
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* @return Pointer to base of my heap
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*/
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char* get_base_ptr();
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/**
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* @brief Accessor for heap size
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*
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* @return Amount of bytes in heap
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*/
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size_t get_size();
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/**
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* @brief Accessor for heap usage
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*
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* @return Amount of used bytes in heap
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*/
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size_t get_used();
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/**
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* @brief Accessor for heap available
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*
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* @return Amount of available bytes in heap
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*/
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size_t get_avail();
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/**
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* @brief Returns is the heap is allocated with managed memory
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*
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* @return bool
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*/
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bool is_managed() { return heap_mem_.is_managed(); }
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private:
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/**
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* @brief Heap memory object
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*/
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HEAP_T heap_mem_{};
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/**
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* @brief Allocation strategy object
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*/
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STRAT_T strat_{&heap_mem_};
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};
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} // namespace rocshmem
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#endif // LIBRARY_SRC_MEMORY_SINGLE_HEAP_HPP_
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