Brandon Potter
82 行
2.6 KiB
C++
82 行
2.6 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_REVERSE_OFFLOAD_WINDOW_PROXY_HPP_
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#define LIBRARY_SRC_REVERSE_OFFLOAD_WINDOW_PROXY_HPP_
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#include "../device_proxy.hpp"
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#include "../memory/window_info.hpp"
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#include "mpi_transport.hpp"
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namespace rocshmem {
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template <typename ALLOCATOR>
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class WindowProxy {
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public:
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static constexpr size_t MAX_NUM_WINDOWS{32};
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private:
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using ProxyT = DeviceProxy<ALLOCATOR, WindowInfo *, MAX_NUM_WINDOWS>;
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public:
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/*
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* Placement new the memory which is allocated by proxy_
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*/
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WindowProxy(SymmetricHeap *heap, MPI_Comm comm) {
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auto *window_info{proxy_.get()};
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for (size_t i{0}; i < MAX_NUM_WINDOWS; i++) {
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window_info[i] =
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new WindowInfo(comm, heap->get_local_heap_base(), heap->get_size());
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}
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}
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/*
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* Since placement new is called in the constructor, then
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* delete must be called manually.
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*/
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~WindowProxy() {
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auto *window_info{proxy_.get()};
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for (size_t i{0}; i < MAX_NUM_WINDOWS; i++) {
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delete window_info[i];
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}
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}
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/*
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* @brief Provide access to the memory referenced by the proxy
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*/
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__host__ __device__ WindowInfo **get() { return proxy_.get(); }
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private:
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/*
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* @brief Memory managed by the lifetime of this object
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*/
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ProxyT proxy_{};
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};
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using WindowProxyT = WindowProxy<HostAllocator>;
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} // namespace rocshmem
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#endif // LIBRARY_SRC_REVERSE_OFFLOAD_WINDOW_PROXY_HPP_
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