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BCS round robin adjustments

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Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk
2022-02-28 12:25:36 +00:00
committed by Compute-Runtime-Automation
parent b9d8d8c0fd
commit b096422e78
4 changed files with 222 additions and 2 deletions
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39
shared/source/helpers/engine_node_helper.cpp
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@@ -90,6 +90,10 @@ aub_stream::EngineType getBcsEngineType(const HardwareInfo &hwInfo, const Device
}
if (internalUsage) {
if (DebugManager.flags.ForceBCSForInternalCopyEngine.get() != -1) {
return DebugManager.flags.ForceBCSForInternalCopyEngine.get() == 0 ? aub_stream::EngineType::ENGINE_BCS
: static_cast<aub_stream::EngineType>(aub_stream::EngineType::ENGINE_BCS1 + DebugManager.flags.ForceBCSForInternalCopyEngine.get() - 1);
}
return selectLinkCopyEngine(hwInfo, deviceBitfield, selectorCopyEngine.selector);
}
@@ -161,9 +165,40 @@ aub_stream::EngineType selectLinkCopyEngine(const HardwareInfo &hwInfo, const De
if (enableCmdQRoundRobindBcsEngineAssign) {
aub_stream::EngineType engineType;
auto bcsRoundRobinLimit = EngineHelpers::numLinkedCopyEngines;
auto engineOffset = 0u;
auto mainCE = false;
if (DebugManager.flags.EnableCmdQRoundRobindBcsEngineAssignStartingValue.get() != -1) {
engineOffset = DebugManager.flags.EnableCmdQRoundRobindBcsEngineAssignStartingValue.get();
mainCE = engineOffset == 0;
}
if (mainCE) {
bcsRoundRobinLimit++;
}
if (DebugManager.flags.EnableCmdQRoundRobindBcsEngineAssignLimit.get() != -1) {
bcsRoundRobinLimit = DebugManager.flags.EnableCmdQRoundRobindBcsEngineAssignLimit.get();
}
do {
engineType = static_cast<aub_stream::EngineType>(aub_stream::EngineType::ENGINE_BCS1 + (selectorCopyEngine.fetch_add(1u) % EngineHelpers::numLinkedCopyEngines));
} while (!HwHelper::get(hwInfo.platform.eRenderCoreFamily).isSubDeviceEngineSupported(hwInfo, deviceBitfield, engineType) || !hwInfo.featureTable.ftrBcsInfo.test(engineType - aub_stream::EngineType::ENGINE_BCS1 + 1));
auto selectEngineValue = (selectorCopyEngine.fetch_add(1u) % bcsRoundRobinLimit) + engineOffset;
if (mainCE) {
if (selectEngineValue == 0u) {
engineType = aub_stream::EngineType::ENGINE_BCS;
} else {
engineType = static_cast<aub_stream::EngineType>(aub_stream::EngineType::ENGINE_BCS1 + selectEngineValue - 1);
}
} else {
engineType = static_cast<aub_stream::EngineType>(aub_stream::EngineType::ENGINE_BCS1 + selectEngineValue);
}
} while (!HwHelper::get(hwInfo.platform.eRenderCoreFamily).isSubDeviceEngineSupported(hwInfo, deviceBitfield, engineType) || !hwInfo.featureTable.ftrBcsInfo.test(engineType == aub_stream::EngineType::ENGINE_BCS
? 0
: engineType - aub_stream::EngineType::ENGINE_BCS1 + 1));
return engineType;
}