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Access counters mode to not rely on KMD cross-tile migrations (by default)

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Add new regkey KMDSupportForCrossTileMigrationPolicy
(disabled by default, in absence of KMD suppport for cross-tile migrations)
to control placement of shared allocation and memory prefetch behavior.

Related-To: NEO-7885

Signed-off-by: Milczarek, Slawomir <slawomir.milczarek@intel.com>
This commit is contained in:
Milczarek, Slawomir
2023-04-10 22:40:54 +00:00
committed by Compute-Runtime-Automation
parent a1066177a5
commit 8e04a7a83f
6 changed files with 12 additions and 10 deletions
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1
shared/test/common/test_files/igdrcl.config
View File

@@ -436,6 +436,7 @@ LimitEngineCountForVirtualCcs = -1
ForceRunAloneContext = -1
AppendMemoryPrefetchForKmdMigratedSharedAllocations = 1
ForceMemoryPrefetchForKmdMigratedSharedAllocations = 0
KMDSupportForCrossTileMigrationPolicy = -1
CreateContextWithAccessCounters = -1
AccessCountersTrigger = -1
AccessCountersGranularity = -1

8
shared/test/unit_test/os_interface/linux/drm_memory_manager_localmem_prelim_tests.cpp
View File

@@ -367,9 +367,9 @@ TEST_F(DrmMemoryManagerLocalMemoryPrelimTest, whenCreateUnifiedMemoryAllocationW
memoryManager->freeGraphicsMemory(allocation);
}
TEST_F(DrmMemoryManagerLocalMemoryPrelimTest, givenCreateContextWithAccessCountersWhenCreateUnifiedMemoryAllocationWithMultiMemoryRegionsThenGemCreateExtIsUsedWithAllRegions) {
TEST_F(DrmMemoryManagerLocalMemoryPrelimTest, givenKMDSupportForCrossTileMigrationPolicyWhenCreateUnifiedMemoryAllocationWithMultiMemoryRegionsThenGemCreateExtIsUsedWithAllRegions) {
DebugManagerStateRestore restorer;
DebugManager.flags.CreateContextWithAccessCounters.set(1);
DebugManager.flags.KMDSupportForCrossTileMigrationPolicy.set(1);
std::vector<MemoryRegion> regionInfo(4);
regionInfo[0].region = {drm_i915_gem_memory_class::I915_MEMORY_CLASS_SYSTEM, 1};
@@ -674,10 +674,10 @@ TEST_F(DrmMemoryManagerLocalMemoryPrelimTest, givenUseKmdMigrationAndUsmInitialP
unifiedMemoryManager.freeSVMAlloc(ptr);
}
TEST_F(DrmMemoryManagerLocalMemoryPrelimTest, givenUseKmdMigrationWithAccessCountersAndUsmInitialPlacementSetToGpuWhenCreateSharedUnifiedMemoryAllocationOnMultiTileArchitectureThenKmdMigratedAllocationIsCreatedWithCorrectRegionsOrder) {
TEST_F(DrmMemoryManagerLocalMemoryPrelimTest, givenKMDSupportForCrossTileMigrationPolicyAndUsmInitialPlacementSetToGpuWhenCreateSharedUnifiedMemoryAllocationOnMultiTileArchitectureThenKmdMigratedAllocationIsCreatedWithCorrectRegionsOrder) {
DebugManagerStateRestore restorer;
DebugManager.flags.UseKmdMigration.set(1);
DebugManager.flags.CreateContextWithAccessCounters.set(1);
DebugManager.flags.KMDSupportForCrossTileMigrationPolicy.set(1);
DebugManager.flags.UsmInitialPlacement.set(1);
RootDeviceIndicesContainer rootDeviceIndices = {mockRootDeviceIndex};
std::map<uint32_t, DeviceBitfield> deviceBitfields{{mockRootDeviceIndex, mockDeviceBitfield}};

8
shared/test/unit_test/os_interface/linux/drm_memory_manager_tests.cpp
View File

@@ -4733,9 +4733,9 @@ TEST_F(DrmMemoryManagerTest, givenKmdMigratedSharedAllocationWithMultipleBOsWhen
EXPECT_EQ(1u, drmAllocation.subDeviceIdsReceived[1]);
}
TEST_F(DrmMemoryManagerTest, givenContextWithAccessCountersAndKmdMigratedSharedAllocationWithMultipleBOsWhenSetMemPrefetchIsCalledWithASubDeviceThenPrefetchBOsToThisSubDevice) {
TEST_F(DrmMemoryManagerTest, givenKMDSupportForCrossTileMigrationPolicyAndKmdMigratedSharedAllocationWithMultipleBOsWhenSetMemPrefetchIsCalledWithASubDeviceThenPrefetchBOsToThisSubDevice) {
DebugManagerStateRestore restore;
DebugManager.flags.CreateContextWithAccessCounters.set(1);
DebugManager.flags.KMDSupportForCrossTileMigrationPolicy.set(1);
TestedDrmMemoryManager memoryManager(false, false, false, *executionEnvironment);
SubDeviceIdsVec subDeviceIds{0};
@@ -4766,9 +4766,9 @@ TEST_F(DrmMemoryManagerTest, givenContextWithAccessCountersAndKmdMigratedSharedA
EXPECT_EQ(0u, drmAllocation.subDeviceIdsReceived[1]);
}
TEST_F(DrmMemoryManagerTest, givenContextWithAccessCountersAndKmdMigratedSharedAllocationWithMultipleBOsWhenSetMemPrefetchIsCalledWithSubDevicesThenPrefetchBOsToTheseSubDevices) {
TEST_F(DrmMemoryManagerTest, givenKMDSupportForCrossTileMigrationPolicyAndKmdMigratedSharedAllocationWithMultipleBOsWhenSetMemPrefetchIsCalledWithSubDevicesThenPrefetchBOsToTheseSubDevices) {
DebugManagerStateRestore restore;
DebugManager.flags.CreateContextWithAccessCounters.set(1);
DebugManager.flags.KMDSupportForCrossTileMigrationPolicy.set(1);
TestedDrmMemoryManager memoryManager(false, false, false, *executionEnvironment);
SubDeviceIdsVec subDeviceIds{0, 1};