P4 to Git Change 1620765 by skudchad@skudchad_test2_win_opencl on 2018/10/17 16:58:04

SWDEV-145570 - [HIP] Track last used event and use last enqueued command in a stream rather than creating a new event

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/15996/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/api/hip/hip_context.cpp#15 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_event.cpp#7 edit
... //depot/stg/opencl/drivers/opencl/api/hip/hip_stream.cpp#14 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/command.cpp#90 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/commandqueue.cpp#28 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/commandqueue.hpp#20 edit

rocclr/runtime/platform/command.cpp

@@ -213,6 +213,9 @@ void Command::enqueue() {
     Agent::postEventCreate(as_cl(static_cast<Event*>(this)), type_);
   }
 
+  if (IS_HIP) {
+    queue_->setLastQueuedCommand(this);
+  }
   queue_->append(*this);
   queue_->flush();
   if (queue_->device().settings().waitCommand_ && (type_ != 0)) {