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Optimize first access to shared allocations

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Change-Id: Ia3ce5f1e448128e7c9dfffb9ad49aaee15bdf948
Signed-off-by: Maciej Dziuban <maciej.dziuban@intel.com>
Related-To: NEO-5059
This commit is contained in:
Maciej Dziuban
2020-09-14 16:39:12 +02:00
committed by sys_ocldev
parent a28e883691
commit 97ec64d22c
9 changed files with 217 additions and 49 deletions
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12
shared/source/page_fault_manager/cpu_page_fault_manager.h
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@@ -10,6 +10,8 @@
#include "shared/source/helpers/non_copyable_or_moveable.h"
#include "shared/source/utilities/spinlock.h"
#include "memory_properties_flags.h"
#include <memory>
#include <unordered_map>
@@ -24,15 +26,21 @@ class PageFaultManager : public NonCopyableOrMovableClass {
void moveAllocationToGpuDomain(void *ptr);
void moveAllocationsWithinUMAllocsManagerToGpuDomain(SVMAllocsManager *unifiedMemoryManager);
void insertAllocation(void *ptr, size_t size, SVMAllocsManager *unifiedMemoryManager, void *cmdQ);
void insertAllocation(void *ptr, size_t size, SVMAllocsManager *unifiedMemoryManager, void *cmdQ, const MemoryProperties &memoryProperties);
void removeAllocation(void *ptr);
enum class AllocationDomain {
None,
Cpu,
Gpu,
};
protected:
struct PageFaultData {
size_t size;
SVMAllocsManager *unifiedMemoryManager;
void *cmdQ;
bool isInGpuDomain;
AllocationDomain domain;
};
virtual void allowCPUMemoryAccess(void *ptr, size_t size) = 0;