German
04b696abee
The change enables VM support in graphs on Windows. That allows to avoid caching of all allocations at the cost of map/unmap overhead during memory create/destroy. Change-Id: I792be00fba099e5e5d3cd44a963e1dfd6976a86d
59 строки
2.2 KiB
C++
59 строки
2.2 KiB
C++
/* Copyright (c) 2015 - 2023 Advanced Micro Devices, Inc.
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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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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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 FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE. */
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#ifndef HIP_SRC_HIP_VM_H
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#define HIP_SRC_HIP_VM_H
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#include <hip/hip_runtime.h>
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#include "hip_internal.hpp"
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hipError_t ihipFree(void* ptr);
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namespace hip {
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struct MemMapAllocUserData {
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void* ptr_; // Original pointer of the allocation
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size_t size_; // Aligned size of the allocation
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amd::Memory* va_; // Memory object for the virtual address
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MemMapAllocUserData(void* ptr, size_t size, amd::Memory* va) : ptr_(ptr), size_(size), va_(va) {}
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};
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class GenericAllocation {
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void* ptr_;
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size_t size_;
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hipMemAllocationProp properties_;
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public:
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GenericAllocation(void* ptr, size_t size, const hipMemAllocationProp& prop): ptr_(ptr), size_(size), properties_(prop) {}
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~GenericAllocation() { hipError_t err = ihipFree(ptr_); }
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const hipMemAllocationProp& GetProperties() const { return properties_; }
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hipMemGenericAllocationHandle_t asMemGenericAllocationHandle() { return reinterpret_cast<hipMemGenericAllocationHandle_t>(this); }
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amd::Memory& asAmdMemory() {
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size_t discardOffset;
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return *getMemoryObject(genericAddress(), discardOffset);
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}
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void* genericAddress() const { return ptr_; }
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};
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};
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#endif //HIP_SRC_HIP_VM_H
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