mirror of
https://github.com/intel/compute-runtime.git
synced 2025-12-20 17:00:59 +08:00
af1620a308
Fix querying allocation info from pooled svm ptr. Handle requested allocation alignment. Refactor sorted vector usage. Do not associate device with host pool allocation. Related-To: NEO-9700 Signed-off-by: Dominik Dabek <dominik.dabek@intel.com>
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
|
|
* Copyright (C) 2023-2024 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
#include "shared/source/helpers/constants.h"
|
|
#include "shared/source/memory_manager/unified_memory_manager.h"
|
|
#include "shared/source/utilities/heap_allocator.h"
|
|
#include "shared/source/utilities/sorted_vector.h"
|
|
|
|
namespace NEO {
|
|
class UsmMemAllocPool {
|
|
public:
|
|
using UnifiedMemoryProperties = SVMAllocsManager::UnifiedMemoryProperties;
|
|
struct AllocationInfo {
|
|
size_t offset;
|
|
size_t size;
|
|
size_t requestedSize;
|
|
};
|
|
using AllocationsInfoStorage = BaseSortedPointerWithValueVector<AllocationInfo>;
|
|
|
|
UsmMemAllocPool() = default;
|
|
bool initialize(SVMAllocsManager *svmMemoryManager, const UnifiedMemoryProperties &memoryProperties, size_t poolSize);
|
|
bool isInitialized();
|
|
void cleanup();
|
|
bool alignmentIsAllowed(size_t alignment);
|
|
bool canBePooled(size_t size, const UnifiedMemoryProperties &memoryProperties);
|
|
void *createUnifiedMemoryAllocation(size_t size, const UnifiedMemoryProperties &memoryProperties);
|
|
bool isInPool(const void *ptr);
|
|
bool freeSVMAlloc(void *ptr, bool blocking);
|
|
size_t getPooledAllocationSize(const void *ptr);
|
|
void *getPooledAllocationBasePtr(const void *ptr);
|
|
|
|
static constexpr auto allocationThreshold = 1 * MemoryConstants::megaByte;
|
|
static constexpr auto chunkAlignment = 512u;
|
|
static constexpr auto startingOffset = 2 * allocationThreshold;
|
|
|
|
protected:
|
|
size_t poolSize{};
|
|
std::unique_ptr<HeapAllocator> chunkAllocator;
|
|
void *pool{};
|
|
void *poolEnd{};
|
|
SVMAllocsManager *svmMemoryManager{};
|
|
AllocationsInfoStorage allocations;
|
|
std::mutex mtx;
|
|
InternalMemoryType poolMemoryType;
|
|
};
|
|
|
|
} // namespace NEO
|