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[L0] Phase 2 of Counter-Based Event Implementation #2234

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[L0] Phase 2 of Counter-Based Event Implementation #2234

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63546cc
[L0] Phase 2 of Counter-Based Event Implementation
winstonzhang-intel Oct 23, 2024
b0ae6e4
[L0] Fixed doubled execution of cmdlist
winstonzhang-intel Nov 8, 2024
be57649
[L0] Optimized double execution check of cmdlist
winstonzhang-intel Nov 12, 2024
d36fcb3
[L0] Checking for fence completion
winstonzhang-intel Nov 15, 2024
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11 changes: 11 additions & 0 deletions source/adapters/level_zero/queue.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1338,6 +1338,17 @@ ur_queue_handle_t_::executeCommandList(ur_command_list_ptr_t CommandList,
}

if (!UsingImmCmdLists) {
int numCompleted = 0;
for (auto &Event : CommandList->second.EventList) {
if (Event->ZeEvent) {
ze_result_t ZeResult =
ZE_CALL_NOCHECK(zeEventQueryStatus, (Event->ZeEvent));
if (ZeResult == ZE_RESULT_SUCCESS)
numCompleted++;
}
}
if (numCompleted == CommandList->second.EventList.size())
return UR_RESULT_SUCCESS;
// In this mode all inner-batch events have device visibility only,
// and we want the last command in the batch to signal a host-visible
// event that anybody waiting for any event in the batch will
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