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/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <cstdint>
#include <mutex>
namespace NEO {
struct UsmReuseInfo {
uint64_t getAllocationsSavedForReuseSize() const {
return allocationsSavedForReuseSize;
}
uint64_t getMaxAllocationsSavedForReuseSize() const {
return maxAllocationsSavedForReuseSize;
}
uint64_t getLimitAllocationsReuseThreshold() const {
return limitAllocationsReuseThreshold;
}
std::unique_lock<std::mutex> obtainAllocationsReuseLock() const {
return std::unique_lock<std::mutex>(allocationsReuseMtx);
}
void recordAllocationSaveForReuse(size_t size) {
allocationsSavedForReuseSize += size;
}
void recordAllocationGetFromReuse(size_t size) {
allocationsSavedForReuseSize -= size;
}
void init(uint64_t maxAllocationsSavedForReuseSize, uint64_t limitAllocationsReuseThreshold) {
this->maxAllocationsSavedForReuseSize = maxAllocationsSavedForReuseSize;
this->limitAllocationsReuseThreshold = limitAllocationsReuseThreshold;
}
static constexpr uint64_t notLimited = std::numeric_limits<uint64_t>::max();
protected:
uint64_t maxAllocationsSavedForReuseSize = 0u;
uint64_t limitAllocationsReuseThreshold = 0u;
uint64_t allocationsSavedForReuseSize = 0u;
mutable std::mutex allocationsReuseMtx;
};
} // namespace NEO
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