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fix: disable shareable memory by default on Integrated gpu windows

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Related-to: NEO-15981

- Disable the ability to create shareable memory
without NT handle on Windows for Integrated GPU devices by default.
- Addresses a performance regression in Windows
when making shareable memory resident on Integrated GPU devices.

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>
This commit is contained in:
Neil R. Spruit
2025-09-09 22:11:10 +00:00
committed by Compute-Runtime-Automation
parent 0273a586ed
commit 84c7c6612b
4 changed files with 133 additions and 2 deletions
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2
shared/source/debug_settings/debug_variables_base.inl
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@@ -78,7 +78,7 @@ DECLARE_DEBUG_VARIABLE(bool, DisableForceToStateless, false, "Do not force state
DECLARE_DEBUG_VARIABLE(bool, ForceTheoreticalMaxWorkGroupCount, false, "Do not apply any limitation to max cooperative/concurrent work-group count queries")
DECLARE_DEBUG_VARIABLE(bool, AppendMemoryPrefetchForKmdMigratedSharedAllocations, true, "Allow prefetching shared memory to the device associated with the specified command list")
DECLARE_DEBUG_VARIABLE(bool, ForceMemoryPrefetchForKmdMigratedSharedAllocations, false, "Force prefetch of shared memory in command queue execute command lists")
DECLARE_DEBUG_VARIABLE(bool, EnableShareableWithoutNTHandle, true, "Enable creating shareable allocations without NT handle on Windows")
DECLARE_DEBUG_VARIABLE(int32_t, EnableShareableWithoutNTHandle, -1, "-1: default, 0: disable, 1: enable, Enable creating shareable allocations without NT handle on Windows")
DECLARE_DEBUG_VARIABLE(bool, ClKhrExternalMemoryExtension, true, "Enable cl_khr_external_memory extension")
DECLARE_DEBUG_VARIABLE(bool, WaitForMemoryRelease, false, "Wait for memory release when out of memory")
DECLARE_DEBUG_VARIABLE(bool, RemoveRestrictionsOnNumberOfThreadsInGpgpuThreadGroup, 0, "0 - default disabled, 1- remove restrictions on NumberOfThreadsInGpgpuThreadGroup in INTERFACE_DESCRIPTOR_DATA")