[SYCL] submit barrier command to execution (see issue #3000)

smaslov-intel · smaslov-intel · commit 3f9269689e7a · 2021-01-25T10:00:11.000-08:00
Signed-off-by: Sergey V Maslov &lt;sergey.v.maslov@intel.com&gt;
diff --git a/sycl/plugins/level_zero/pi_level_zero.cpp b/sycl/plugins/level_zero/pi_level_zero.cpp
@@ -4102,7 +4102,9 @@ pi_result piEnqueueEventsWaitWithBarrier(pi_queue Queue,
                                      (*Event)->WaitList.Length,
                                      (*Event)->WaitList.ZeEventList));
 
-  return PI_SUCCESS;
+  // Execute command list asynchronously as the event will be used
+  // to track down its completion.
+  return Queue->executeCommandList(ZeCommandList, ZeFence);
 }
 
 pi_result piEnqueueMemBufferRead(pi_queue Queue, pi_mem Src,

Original file line number	Diff line number	Diff line change
`@@ -4102,7 +4102,9 @@ pi_result piEnqueueEventsWaitWithBarrier(pi_queue Queue,`
`4102`	`4102`	`(*Event)->WaitList.Length,`
`4103`	`4103`	`(*Event)->WaitList.ZeEventList));`
`4104`	`4104`
`4105`		`- return PI_SUCCESS;`
	`4105`	`+ // Execute command list asynchronously as the event will be used`
	`4106`	`+ // to track down its completion.`
	`4107`	`+ return Queue->executeCommandList(ZeCommandList, ZeFence);`
`4106`	`4108`	`}`
`4107`	`4109`
`4108`	`4110`	`pi_result piEnqueueMemBufferRead(pi_queue Queue, pi_mem Src,`