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refactor: add debug flags to force l3 flush after walker in L0

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Additionally hide some logic under if constexpr

Related-To: HSD-14025950599
Signed-off-by: Kamil Kopryk <kamil.kopryk@intel.com>
This commit is contained in:
Kamil Kopryk
2025-11-05 13:22:37 +00:00
committed by Compute-Runtime-Automation
parent 6b63304673
commit ac6acdede1
1 changed files with 23 additions and 10 deletions
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33
level_zero/core/source/cmdlist/cmdlist_hw_xehp_and_later.inl
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@@ -215,12 +215,12 @@ ze_result_t CommandListCoreFamily<gfxCoreFamily>::appendLaunchKernelWithParams(K
}
}
constexpr bool checkIfImported = checkIfAllocationImportedRequired();
constexpr bool l3FlushAfterWalkerSupported = checkIfAllocationImportedRequired();
bool isKernelUsingSystemAllocation = false;
bool isKernelUsingExternalAllocation = false;
if (!launchParams.isBuiltInKernel) {
auto verifyKernelUsingSystemAllocations = [&]<bool checkImported>(const NEO::ResidencyContainer &kernelResidencyContainer) {
auto verifyKernelUsingSystemAllocations = [&]<bool l3FlushAfterWalkerSupported>(const NEO::ResidencyContainer &kernelResidencyContainer) {
for (const auto &allocation : kernelResidencyContainer) {
if (allocation == nullptr) {
continue;
@@ -231,18 +231,18 @@ ze_result_t CommandListCoreFamily<gfxCoreFamily>::appendLaunchKernelWithParams(K
isKernelUsingSystemAllocation = true;
}
if constexpr (checkImported) {
if constexpr (l3FlushAfterWalkerSupported) {
isKernelUsingExternalAllocation = allocation->getIsImported();
}
}
};
verifyKernelUsingSystemAllocations.template operator()<checkIfImported>(kernel->getArgumentsResidencyContainer());
verifyKernelUsingSystemAllocations.template operator()<l3FlushAfterWalkerSupported>(kernel->getArgumentsResidencyContainer());
verifyKernelUsingSystemAllocations.template operator()<false>(kernel->getInternalResidencyContainer());
} else {
isKernelUsingSystemAllocation = launchParams.isDestinationAllocationInSystemMemory;
if constexpr (checkIfImported) {
if constexpr (l3FlushAfterWalkerSupported) {
isKernelUsingExternalAllocation = launchParams.isDestinationAllocationImported;
}
}
@@ -365,13 +365,26 @@ ze_result_t CommandListCoreFamily<gfxCoreFamily>::appendLaunchKernelWithParams(K
auto maxWgCountPerTile = kernel->getMaxWgCountPerTile(this->engineGroupType);
auto isFlushL3ForExternalAllocationRequired = isFlushL3AfterPostSync && isKernelUsingExternalAllocation;
auto isFlushL3ForHostUsmRequired = isFlushL3AfterPostSync && isKernelUsingSystemAllocation;
bool isFlushL3ForExternalAllocationRequired = false;
bool isFlushL3ForHostUsmRequired = false;
if (NEO::debugManager.flags.RedirectFlushL3HostUsmToExternal.get() && isFlushL3ForHostUsmRequired) {
isFlushL3ForExternalAllocationRequired = true;
isFlushL3ForHostUsmRequired = false;
if constexpr (l3FlushAfterWalkerSupported) {
isFlushL3ForExternalAllocationRequired = isFlushL3AfterPostSync && isKernelUsingExternalAllocation;
isFlushL3ForHostUsmRequired = isFlushL3AfterPostSync && isKernelUsingSystemAllocation;
if (NEO::debugManager.flags.RedirectFlushL3HostUsmToExternal.get() && isFlushL3ForHostUsmRequired) {
isFlushL3ForExternalAllocationRequired = true;
isFlushL3ForHostUsmRequired = false;
}
if (NEO::debugManager.flags.ForceFlushL3AfterPostSyncForExternalAllocation.get()) {
isFlushL3ForExternalAllocationRequired = true;
}
if (NEO::debugManager.flags.ForceFlushL3AfterPostSyncForHostUsm.get()) {
isFlushL3ForHostUsmRequired = true;
}
}
NEO::EncodeKernelArgsExt dispatchKernelArgsExt = {};
NEO::EncodeDispatchKernelArgs dispatchKernelArgs{