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[SYCL][CUDA] Don't enqueue an event wait on same CUDA stream #5099

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Merged
bader merged 1 commit into from
Dec 8, 2021
Merged

[SYCL][CUDA] Don't enqueue an event wait on same CUDA stream #5099

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5 changes: 4 additions & 1 deletion sycl/plugins/cuda/pi_cuda.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -473,7 +473,10 @@ pi_result enqueueEventWait(pi_queue queue, pi_event event) {
// for native events, the cuStreamWaitEvent call is used.
// This makes all future work submitted to stream wait for all
// work captured in event.
return PI_CHECK_ERROR(cuStreamWaitEvent(queue->get(), event->get(), 0));
if (queue->get() != event->get_queue()->get()) {
return PI_CHECK_ERROR(cuStreamWaitEvent(queue->get(), event->get(), 0));
}
return PI_SUCCESS;
}

_pi_program::_pi_program(pi_context ctxt)
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