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/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
namespace L0 {
template <GFXCORE_FAMILY gfxCoreFamily>
ze_result_t BcsSplit::appendSplitCall(CommandListCoreFamilyImmediate<gfxCoreFamily> *cmdList,
const BcsSplitParams::CopyParams ©Params,
size_t size,
ze_event_handle_t hSignalEvent,
uint32_t numWaitEvents,
ze_event_handle_t *phWaitEvents,
bool performMigration,
bool hasRelaxedOrderingDependencies,
NEO::TransferDirection direction,
size_t estimatedCmdBufferSize,
AppendCallFuncT<gfxCoreFamily> appendCall) {
using GfxFamily = typename NEO::GfxFamilyMapper<gfxCoreFamily>::GfxFamily;
const auto aggregatedEventsMode = this->events.aggregatedEventsMode;
auto signalEvent = Event::fromHandle(hSignalEvent);
ze_result_t result = ZE_RESULT_SUCCESS;
auto cmdListsForSplit = this->getCmdListsForSplit(direction, size);
auto engineCount = cmdListsForSplit.size();
size_t markerEventIndex = 0;
uint64_t aggregatedEventIncrementVal = 1;
const bool useSignalEventForSubcopy = aggregatedEventsMode && cmdList->isUsingAdditionalBlitProperties() && Event::isAggregatedEvent(signalEvent) &&
(signalEvent->getInOrderIncrementValue(1) % engineCount == 0);
if (useSignalEventForSubcopy) {
aggregatedEventIncrementVal = signalEvent->getInOrderIncrementValue(1) / engineCount;
} else {
auto markerEventIndexRet = this->events.obtainForSplit(Context::fromHandle(cmdList->getCmdListContext()), maxEventCountInPool<GfxFamily>);
if (!markerEventIndexRet.has_value()) {
return ZE_RESULT_ERROR_OUT_OF_DEVICE_MEMORY;
}
markerEventIndex = *markerEventIndexRet;
}
auto barrierRequired = !cmdList->isInOrderExecutionEnabled() && cmdList->isBarrierRequired();
if (barrierRequired) {
cmdList->appendSignalEvent(this->events.barrier[markerEventIndex]->toHandle(), false);
}
auto subcopyEventIndex = markerEventIndex * this->cmdLists.size();
StackVec<ze_event_handle_t, 16> eventHandles;
if (!cmdList->handleCounterBasedEventOperations(signalEvent, false)) {
return ZE_RESULT_ERROR_INVALID_ARGUMENT;
}
auto totalSize = size;
for (size_t i = 0; i < cmdListsForSplit.size(); i++) {
auto subCmdList = static_cast<CommandListCoreFamilyImmediate<gfxCoreFamily> *>(cmdListsForSplit[i]);
auto lock = subCmdList->getCsr(false)->obtainUniqueOwnership();
subCmdList->checkAvailableSpace(numWaitEvents, hasRelaxedOrderingDependencies, estimatedCmdBufferSize, false);
if (barrierRequired) {
auto barrierEventHandle = this->events.barrier[markerEventIndex]->toHandle();
subCmdList->addEventsToCmdList(1u, &barrierEventHandle, nullptr, hasRelaxedOrderingDependencies, false, true, false, false);
}
if (cmdList->hasInOrderDependencies()) {
auto &inOrderExecInfo = cmdList->getInOrderExecInfo();
subCmdList->appendWaitOnInOrderDependency(inOrderExecInfo, nullptr, inOrderExecInfo->getCounterValue(), inOrderExecInfo->getAllocationOffset(), hasRelaxedOrderingDependencies, false, false, false, false);
}
subCmdList->addEventsToCmdList(numWaitEvents, phWaitEvents, nullptr, hasRelaxedOrderingDependencies, false, false, false, false);
if (!useSignalEventForSubcopy && signalEvent && i == 0u) {
subCmdList->appendEventForProfilingAllWalkers(signalEvent, nullptr, nullptr, true, true, false, true);
}
auto localSize = totalSize / engineCount;
BcsSplitParams::CopyParams localCopyParams;
std::visit([&](auto &&arg) {
using T = std::decay_t<decltype(arg)>;
localCopyParams = T{ptrOffset(arg.dst, size - totalSize),
ptrOffset(arg.src, size - totalSize)};
},
copyParams);
auto copyEventIndex = aggregatedEventsMode ? markerEventIndex : subcopyEventIndex + i;
auto eventHandle = useSignalEventForSubcopy ? signalEvent : this->events.subcopy[copyEventIndex]->toHandle();
if (aggregatedEventsMode && !useSignalEventForSubcopy) {
subCmdList->getCmdContainer().addToResidencyContainer(this->events.subcopy[copyEventIndex]->getInOrderExecInfo()->getDeviceCounterAllocation());
}
result = appendCall(subCmdList, localCopyParams, localSize, eventHandle, aggregatedEventIncrementVal);
subCmdList->flushImmediate(result, true, !hasRelaxedOrderingDependencies, hasRelaxedOrderingDependencies, NEO::AppendOperations::nonKernel, false, nullptr, true, &lock, nullptr);
if ((aggregatedEventsMode && i == 0) || !aggregatedEventsMode) {
eventHandles.push_back(eventHandle);
}
totalSize -= localSize;
engineCount--;
if (signalEvent) {
signalEvent->appendAdditionalCsr(subCmdList->getCsr(false));
}
}
const bool dualStreamCopyOffload = cmdList->isDualStreamCopyOffloadOperation(cmdList->isCopyOffloadEnabled());
cmdList->addEventsToCmdList(static_cast<uint32_t>(eventHandles.size()), eventHandles.data(), nullptr, hasRelaxedOrderingDependencies, false, true, false, dualStreamCopyOffload);
const auto isCopyCmdList = cmdList->isCopyOnly(dualStreamCopyOffload);
if (!useSignalEventForSubcopy && signalEvent) {
cmdList->appendSignalEventPostWalker(signalEvent, nullptr, nullptr, !isCopyCmdList, false, isCopyCmdList);
}
if (!aggregatedEventsMode) {
cmdList->appendSignalEventPostWalker(this->events.marker[markerEventIndex], nullptr, nullptr, !isCopyCmdList, false, isCopyCmdList);
}
if (cmdList->isInOrderExecutionEnabled()) {
cmdList->appendSignalInOrderDependencyCounter(signalEvent, dualStreamCopyOffload, false, false, useSignalEventForSubcopy);
}
cmdList->handleInOrderDependencyCounter(signalEvent, false, dualStreamCopyOffload);
if (aggregatedEventsMode && !useSignalEventForSubcopy) {
std::lock_guard<std::mutex> lock(events.mtx);
cmdList->assignInOrderExecInfoToEvent(this->events.marker[markerEventIndex]);
}
return result;
}
} // namespace L0
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