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feature: pvc, cpu copy in program init

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Use cpu copy for globals surface when allocated through svm, allocation
not set as lockable but locking allocation succeeds.

Related-To: NEO-7796

Signed-off-by: Dominik Dabek <dominik.dabek@intel.com>
This commit is contained in:
Dominik Dabek
2023-03-28 10:58:35 +00:00
committed by Compute-Runtime-Automation
parent b9828b543e
commit 4c891e80a5
8 changed files with 79 additions and 5 deletions
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5
shared/source/program/program_initialization.cpp
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@@ -29,7 +29,7 @@ GraphicsAllocation *allocateGlobalsSurface(NEO::SVMAllocsManager *const svmAlloc
if (linkerInput != nullptr) {
globalsAreExported = constant ? linkerInput->getTraits().exportsGlobalConstants : linkerInput->getTraits().exportsGlobalVariables;
}
bool lockingSucceeded = false;
if (globalsAreExported && (svmAllocManager != nullptr)) {
RootDeviceIndicesContainer rootDeviceIndices;
rootDeviceIndices.push_back(rootDeviceIndex);
@@ -45,6 +45,7 @@ GraphicsAllocation *allocateGlobalsSurface(NEO::SVMAllocsManager *const svmAlloc
auto usmAlloc = svmAllocManager->getSVMAlloc(ptr);
UNRECOVERABLE_IF(usmAlloc == nullptr);
gpuAllocation = usmAlloc->gpuAllocations.getGraphicsAllocation(rootDeviceIndex);
lockingSucceeded = device.getMemoryManager()->lockResource(gpuAllocation) != nullptr;
} else {
auto allocationType = constant ? AllocationType::CONSTANT_SURFACE : AllocationType::GLOBAL_SURFACE;
gpuAllocation = device.getMemoryManager()->allocateGraphicsMemoryWithProperties({rootDeviceIndex,
@@ -64,7 +65,7 @@ GraphicsAllocation *allocateGlobalsSurface(NEO::SVMAllocsManager *const svmAlloc
bool isOnlyBssData = (totalSize == zeroInitSize);
if (false == isOnlyBssData) {
auto initSize = totalSize - zeroInitSize;
auto success = MemoryTransferHelper::transferMemoryToAllocation(productHelper.isBlitCopyRequiredForLocalMemory(rootDeviceEnvironment, *gpuAllocation),
auto success = MemoryTransferHelper::transferMemoryToAllocation(productHelper.isBlitCopyRequiredForLocalMemory(rootDeviceEnvironment, *gpuAllocation, lockingSucceeded),
device, gpuAllocation, 0, initData, initSize);
UNRECOVERABLE_IF(!success);
}