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refactor: Add flag to control BCS split for pageable memory

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Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk
2023-07-11 11:21:02 +00:00
committed by Compute-Runtime-Automation
parent dc0796c2a1
commit 83bd33befc
4 changed files with 111 additions and 2 deletions
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19
level_zero/core/source/cmdlist/cmdlist_hw.inl
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@@ -2838,6 +2838,15 @@ inline size_t CommandListCoreFamily<gfxCoreFamily>::getTotalSizeForCopyRegion(co
}
}
inline NEO::MemoryPool getMemoryPoolFromAllocDataForSplit(bool allocFound, const NEO::SvmAllocationData *allocData) {
if (allocFound) {
return allocData->gpuAllocations.getDefaultGraphicsAllocation()->getMemoryPool();
} else if (NEO::DebugManager.flags.SplitBcsCopyHostptr.get() != 0) {
return NEO::MemoryPool::System4KBPages;
}
return NEO::MemoryPool::MemoryNull;
}
template <GFXCORE_FAMILY gfxCoreFamily>
bool CommandListCoreFamily<gfxCoreFamily>::isAppendSplitNeeded(void *dstPtr, const void *srcPtr, size_t size, NEO::TransferDirection &directionOut) {
if (size < minimalSizeForBcsSplit) {
@@ -2849,8 +2858,14 @@ bool CommandListCoreFamily<gfxCoreFamily>::isAppendSplitNeeded(void *dstPtr, con
bool srcAllocFound = this->device->getDriverHandle()->findAllocationDataForRange(const_cast<void *>(srcPtr), size, &srcAllocData);
bool dstAllocFound = this->device->getDriverHandle()->findAllocationDataForRange(dstPtr, size, &dstAllocData);
auto srcMemoryPool = srcAllocFound ? srcAllocData->gpuAllocations.getDefaultGraphicsAllocation()->getMemoryPool() : NEO::MemoryPool::System4KBPages;
auto dstMemoryPool = dstAllocFound ? dstAllocData->gpuAllocations.getDefaultGraphicsAllocation()->getMemoryPool() : NEO::MemoryPool::System4KBPages;
auto srcMemoryPool = getMemoryPoolFromAllocDataForSplit(srcAllocFound, srcAllocData);
auto dstMemoryPool = getMemoryPoolFromAllocDataForSplit(dstAllocFound, dstAllocData);
for (const auto memoryPool : {srcMemoryPool, dstMemoryPool}) {
if (memoryPool == NEO::MemoryPool::MemoryNull) {
return false;
}
}
return this->isAppendSplitNeeded(dstMemoryPool, srcMemoryPool, size, directionOut);
}