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Candidate for the v0.10.8 release tag #2136

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merged 1 commit into from
Sep 26, 2024
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Candidate for the v0.10.8 release tag #2136

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26 changes: 10 additions & 16 deletions source/adapters/level_zero/event.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -197,14 +197,13 @@ ur_queue_handle_legacy_t_::enqueueEventsWaitWithBarrier( ///< [in] handle of the
//
if (Queue->isInOrderQueue() && InOrderBarrierBySignal &&
!Queue->isProfilingEnabled()) {
// If we are using driver in order lists, then append wait on events
// is unnecessary IF the cmdlists match.
if (EventWaitList.Length) {
if (CmdList->second.IsInOrderList) {
for (unsigned i = EventWaitList.Length; i-- < 0;) {
// if the events is from the same cmdlist, we can remove it
// from the waitlist.
if (EventWaitList.UrEventList[i]->CommandList == CmdList) {
for (unsigned i = EventWaitList.Length; i-- > 0;) {
// If the event is a multidevice event, then given driver in order
// lists, we cannot include this into the wait event list due to
// driver limitations.
if (EventWaitList.UrEventList[i]->IsMultiDevice) {
EventWaitList.Length--;
if (EventWaitList.Length != i) {
std::swap(EventWaitList.UrEventList[i],
Expand Down Expand Up @@ -1553,16 +1552,11 @@ ur_result_t _ur_ze_event_list_t::createAndRetainUrZeEventList(
const auto &ZeCommandList = CommandList->first;
EventList[I]->RefCount.increment();

ZE2UR_CALL(zeCommandListAppendWaitOnEvents,
(ZeCommandList, 1u, &EventList[I]->ZeEvent));
if (!MultiDeviceEvent->CounterBasedEventsEnabled) {
ZE2UR_CALL(zeEventHostSignal, (MultiDeviceZeEvent));
} else {
ZE2UR_CALL(zeCommandListAppendSignalEvent,
(ZeCommandList, MultiDeviceZeEvent));
}
MultiDeviceEvent->Completed = true;

// Append a Barrier to wait on the original event while signalling the
// new multi device event.
ZE2UR_CALL(
zeCommandListAppendBarrier,
(ZeCommandList, MultiDeviceZeEvent, 1u, &EventList[I]->ZeEvent));
UR_CALL(Queue->executeCommandList(CommandList, /* IsBlocking */ false,
/* OkToBatchCommand */ true));

Expand Down
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