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fix: Add getDefaultDeviceHierarchy call to GfxCoreHelper

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Added getDefaultDeviceHierarchy call that describes default device
hierarchy for a gfx core. Refactored L0 and OCL paths to use this
value by default and override this value when user sets
ZE_FLAT_DEVICE_HIERARCHY environment variable or
ReturnSubDevicesAsApiDevices debug key.

Updated ReturnSubDevicesAsApiDevices to force COMPOSITE device hierarchy
when set to 0.

Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
This commit is contained in:
Filip Hazubski
2023-10-05 23:12:34 +00:00
committed by Compute-Runtime-Automation
parent 238286d076
commit 08e92d154f
17 changed files with 149 additions and 33 deletions
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32
level_zero/core/test/unit_tests/sources/driver/test_driver.cpp
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@@ -7,6 +7,7 @@
#include "shared/source/built_ins/sip.h"
#include "shared/source/gmm_helper/gmm.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/string.h"
#include "shared/source/memory_manager/allocation_properties.h"
#include "shared/source/memory_manager/os_agnostic_memory_manager.h"
@@ -473,7 +474,7 @@ TEST(DriverImpTest, givenEnabledProgramDebuggingWhenCreatingExecutionEnvironment
L0::GlobalDriver = nullptr;
}
TEST(DriverImpTest, givenDefaultFlatDeviceHierarchyWhenCreatingExecutionEnvironmentThenCompositeHierarchyIsEnabled) {
TEST(DriverImpTest, whenCreatingExecutionEnvironmentThenDefaultHierarchyIsEnabled) {
NEO::HardwareInfo hwInfo = *NEO::defaultHwInfo.get();
hwInfo.capabilityTable.levelZeroSupported = true;
@@ -482,7 +483,12 @@ TEST(DriverImpTest, givenDefaultFlatDeviceHierarchyWhenCreatingExecutionEnvironm
DriverImp driverImp;
driverImp.initialize(&result);
L0::DriverHandleImp *driverHandleImp = reinterpret_cast<L0::DriverHandleImp *>(L0::GlobalDriverHandle);
EXPECT_EQ(driverHandleImp->deviceHierarchyMode, L0::L0DeviceHierarchyMode::L0_DEVICE_HIERARCHY_COMPOSITE);
auto &gfxCoreHelper = driverHandleImp->memoryManager->peekExecutionEnvironment().rootDeviceEnvironments[0]->getHelper<NEO::GfxCoreHelper>();
if (strcmp(gfxCoreHelper.getDefaultDeviceHierarchy(), "COMPOSITE") == 0) {
EXPECT_EQ(driverHandleImp->deviceHierarchyMode, L0::L0DeviceHierarchyMode::L0_DEVICE_HIERARCHY_COMPOSITE);
} else {
EXPECT_EQ(driverHandleImp->deviceHierarchyMode, L0::L0DeviceHierarchyMode::L0_DEVICE_HIERARCHY_FLAT);
}
ASSERT_NE(nullptr, L0::GlobalDriver);
ASSERT_NE(0u, L0::GlobalDriver->numDevices);
@@ -513,6 +519,28 @@ TEST(DriverImpTest, givenFlatDeviceHierarchyWhenCreatingExecutionEnvironmentThen
L0::GlobalDriver = nullptr;
}
TEST(DriverImpTest, givenCompositeDeviceHierarchyWhenCreatingExecutionEnvironmentThenCompositeHierarchyIsEnabled) {
NEO::HardwareInfo hwInfo = *NEO::defaultHwInfo.get();
hwInfo.capabilityTable.levelZeroSupported = true;
VariableBackup<uint32_t> mockGetenvCalledBackup(&IoFunctions::mockGetenvCalled, 0);
std::unordered_map<std::string, std::string> mockableEnvs = {{"ZE_FLAT_DEVICE_HIERARCHY", "COMPOSITE"}};
VariableBackup<std::unordered_map<std::string, std::string> *> mockableEnvValuesBackup(&IoFunctions::mockableEnvValues, &mockableEnvs);
ze_result_t result = ZE_RESULT_ERROR_UNINITIALIZED;
DriverImp driverImp;
driverImp.initialize(&result);
L0::DriverHandleImp *driverHandleImp = reinterpret_cast<L0::DriverHandleImp *>(L0::GlobalDriverHandle);
EXPECT_EQ(driverHandleImp->deviceHierarchyMode, L0::L0DeviceHierarchyMode::L0_DEVICE_HIERARCHY_COMPOSITE);
ASSERT_NE(nullptr, L0::GlobalDriver);
ASSERT_NE(0u, L0::GlobalDriver->numDevices);
delete L0::GlobalDriver;
L0::GlobalDriverHandle = nullptr;
L0::GlobalDriver = nullptr;
}
TEST(DriverImpTest, givenCombinedDeviceHierarchyWhenCreatingExecutionEnvironmentThenCombinedHierarchyIsEnabled) {
NEO::HardwareInfo hwInfo = *NEO::defaultHwInfo.get();