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fix: Do not increase host USM alignment when CAL enabled 

Resolves: GSD-10808

Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
Source: b7cba510a3
This commit is contained in:
Lukasz Jobczyk 2025-02-27 10:31:45 +00:00 committed by Compute-Runtime-Automation
parent 794a497c47
commit f052d61d33
2 changed files with 21 additions and 1 deletions
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20
opencl/test/unit_test/memory_manager/unified_memory_manager_tests.cpp
View File

@ -855,6 +855,26 @@ TEST_F(UnifiedMemoryManagerPropertiesTest,
svmManager->freeSVMAlloc(ptr);
}
TEST_F(UnifiedMemoryManagerPropertiesTest,
givenCALAndSizeGreaterThan2mbWhenDiscretGpuAndCreateHostUSMThenDoNotAlignSizeAndVATo2mb) {
DebugManagerStateRestore restorer;
debugManager.flags.NEO_CAL_ENABLED.set(1);
RootDeviceIndicesContainer rootDeviceIndices = {mockRootDeviceIndex};
std::map<uint32_t, DeviceBitfield> deviceBitfields{{mockRootDeviceIndex, DeviceBitfield(0x1)}};
SVMAllocsManager::UnifiedMemoryProperties unifiedMemoryProperties(InternalMemoryType::hostUnifiedMemory, 1, rootDeviceIndices, deviceBitfields);
svmManager->multiOsContextSupport = true;
auto ptr = svmManager->createHostUnifiedMemoryAllocation(4 * MemoryConstants::pageSize2M + MemoryConstants::pageSize64k, unifiedMemoryProperties);
auto allocation = svmManager->getSVMAlloc(ptr);
EXPECT_EQ(4 * MemoryConstants::pageSize2M + MemoryConstants::pageSize64k, allocation->gpuAllocations.getDefaultGraphicsAllocation()->getUnderlyingBufferSize());
EXPECT_TRUE(isAligned(allocation->gpuAllocations.getDefaultGraphicsAllocation()->getGpuAddress(), MemoryConstants::pageSize));
svmManager->freeSVMAlloc(ptr);
}
TEST_F(UnifiedMemoryManagerPropertiesTest,
given1ByteAsAllocationSizeWhenHostMemAllocIsCreatedItIsAlignedTo4k) {
RootDeviceIndicesContainer rootDeviceIndices = {mockRootDeviceIndex};

2
shared/source/memory_manager/unified_memory_manager.cpp
View File

@ -296,7 +296,7 @@ void *SVMAllocsManager::createSVMAlloc(size_t size, const SvmAllocationPropertie
void *SVMAllocsManager::createHostUnifiedMemoryAllocation(size_t size,
const UnifiedMemoryProperties &memoryProperties) {
bool isDiscrete = false;
if (size >= MemoryConstants::pageSize2M) {
if (size >= MemoryConstants::pageSize2M && !debugManager.flags.NEO_CAL_ENABLED.get()) {
for (const auto rootDeviceIndex : memoryProperties.rootDeviceIndices) {
isDiscrete |= !this->memoryManager->peekExecutionEnvironment().rootDeviceEnvironments[rootDeviceIndex]->getHardwareInfo()->capabilityTable.isIntegratedDevice;
if (isDiscrete) {