Files
compute-runtime/shared/source/memory_manager
Maciej Bielski a71b88fefb PageFaultHandler: speedup UM allocations lookup
Add a per-instance SVMAllocsManager::nonGpuDomainAllocs container for
all allocations to be removed in
moveAllocationsWithinUMAllocsManagerToGpuDomain. This approach replaces
the current iterative search and performs the task faster.

Add 7 new unit-tests to verify the functionality related to
nonGpuDomainAllocs container, both in expected and unexpected/synthetic
scenarios.

For UTs replace a dummy unifiedMemoryManager pointer with a pointer to
an instace of SVMAllocsManager, otherwise a SegFault error is thrown at
the end of tests.

Perform overall cleanup in related tests implementation, includes but
not limited to removal of:

- givenInitialPlacementGpu\
WhenMovingToGpuDomainThenFirstAccessDoesNotInvokeTransfer

As it is fully covered by:

givenAllocationMovedToGpuDomain\
WhenVerifyingPagefaultThenAllocationIsMovedToCpuDomain

- givenInitialPlacementGpu\
WhenVerifyingPagefaultThenFirstAccessDoesNotInvokeTransfer

As it is fully covered by:

givenTbxAndnitialPlacementGpu\
WhenVerifyingPagefaultThenMemoryIsUnprotectedOnly

Finally, reduce code duplication where possible.

Related-To: NEO-6658
Signed-off-by: Maciej Bielski <maciej.bielski@intel.com>
2022-03-16 11:18:24 +01:00
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